coupling nut. Coupling nuts act as a junction to connect two male-threaded fasteners. coupling nut

 
Coupling nuts act as a junction to connect two male-threaded fastenerscoupling nut Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads

From the Manufacturer. Coupling reducer nuts, sometimes just referred to as reducer nuts, are very similar to traditional coupling nuts. Low-Strength Steel Coupling Nuts. Flat sides won’t spin in channels and square holes. Threaded Rod Coupling, Zinc Plated Steel 1/4-20 x 7/8 in. Built to restore toilet fill valve performance by repairing leaks, without having to purchase a new toilet fill valve. Thumb Nuts. NPS Faucet Coupling Nut. They can also serve as spacers or leveling nuts. 18-8 Stainless Steel Coupling Nuts Ananka Group is the best leading Hex Coupling Nuts Manufacturer in India. Nut width and length vary with the size of the. In stock and ready to ship. The two ends are often different, making joining two pieces with varying thread sizes easier. These adapters connect sink drain traps to threaded wall and floor drain outlets. The Homewerks™ faucet coupling nut is made of durable brass and plated in a chrome finish. Use adapters on the ends of forcing screws and face-grip puller legs when pulling shafts, bearing caps, and pinions. These nuts have good chemical resistance. 5, type 304 and type 316. Showing 20 of 20 products. New to the Earnest Family, DFARS compliant U. Note 1: Nuts shall be furnished without a hole, unless specially ordered by the purchaser. For technical drawings and 3-D models, click on a part number. 2. For example, A basic pipe section slightly larger than the pipes to be joined can be cut with an internal thread to act as a removable pipe coupler. Coupling Nuts. 65 products. Find nuts, bolts, and washers in a variety of sizes and materials to help you get the job done right. Our Coupling Nuts are Heavy Pattern, made from 1018 Steel. Use these tube-end weld nuts with left-hand threaded fasteners. Add to Cart . Choose from our selection of 1/4"-20 couplings, including over 700 products in a wide range of styles and sizes. A standard six sided nut. 465 products. Choose from our selection of 37 degree hose fittings, including 37° flared fittings, precision AN 37° flared fittings, and more. A reduced coupling nut is a variation of the hex design. Turnbuckle Bodies. However, there is no reference to coupling nuts in the actual ASTM A563 or A194 nut specifications. M8x1. Model # 205427BG. Machine Screw Nuts. Boltport is a manufacturer of Coupling Nuts in metric and imperial sizes with coarse, fine, extra fine, and custom threads to various dimensional standards and material specifications. lock nuts. Two (2) faucet shank nuts are included. Metric-to-Metric Male-Female Hex Thread Adapters. These coupling nuts will either conform to SAE J995 Grade 2 or ASTM A563 Grade A, both of which are manufactured from carbon steel and are eequivalent in strength. Lg. Choose from our selection of flared fittings, including over 1,400 products in a wide range of styles and sizes. 465 products. They are compatible with High-Pressure Thread-Lock-shape plugs and sockets. Hex couplers are typically threaded right hand. Imperial: Dia 1/4" - 7/8". Convert drum openings with metric or BSPP threads to a 2 NPT pipe size. With the end of the threaded pipe facing you as shown, wrap the plumbers tape clockwise. Sleeve nuts are different than Coupling Nuts in that they have right and left hand threads, normally include a non-threaded (stopper) section in the middle of the nut and are longer than Coupling Nuts. Compare $ 1. They are commonly utilized in applications that require extending the length of a bolted connection, such as in building braces, joining similar fixtures, or attaching threaded rods in suspension systems. 170 products. Dimensional specifications are governed by ASME B18. The long rod nut is made of selected high quality carbon steel materials, which ensure strength, and the zinc cover provides good corrosion resistance. Home Page; Products; About Us; Glossary;Brass Fasteners. More corrosion resistant than 18-8 stainless steel coupling nuts, these nuts have excellent resistance to chemicals and salt water. These metric-sized coupling nuts are Class 10 steel, so they’re about 25% stronger than medium-strength steel coupling nuts. Rotatable coupling accessories became difficult to perform o-ring environmental sealing because of the uncontrolled sealing surfaces incorporated at the connector shell. 1/2-13 callout size. S. Threaded Rod,Coupling Nuts. FREE delivery Thu, Oct 5 on $35 of items shipped by Amazon. Metric-to-Metric Male Round Thread Adapters We have a range of coupling nuts in different sizes in zinc plated on the shelf ready for dispatch now, whether it be metric or imperial. Pieces in Pack/Case. Choose from our selection of long rod nuts, including steel extra-long coupling nuts, low-strength steel coupling nuts, and more. Technical Details. They consist of a plug and a socket that connect and disconnect quickly. Only digits can be entered. Cap Nuts. Hex Rod Coupling Nuts - (USS) Coarse Thread; Hex Rod Coupling Nuts - (SAE) Fine Thread; Hex Reducer Coupling Nuts; K-Lock (Keps) Nuts . SKU. Unscrew the coupling nut that connects the supply line. If the below steps don’t work, you may need to replace the radiator valve altogether. Crown Bolt's rod coupling nuts are internally threaded nuts in extended lengths. the nuts connect the two male thread parts, normal used to join round thread rods. Reducing Coupling Nuts has one end, which is a different size on both ends. A - outside diameter in 1/16 inch increments. A flange nut is a nut that has a wide flange at one end which acts as an integrated washer that does not move. 00. Inside Diameter (in. These custom nuts are typically tapped with right hand (RH) threaded on one end and left hand (LH) threads on the other end. Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads. Hex couplers are also threaded right hand. Metric 18-8 Stainless Steel Coupling Nuts. Cast iron nuts have good machinability and high strength. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Related Accessories . Be sure maximum RPM of coupling is not exceeded. Used with threaded rod, the coupling nut joins 2 piece of threaded rod together from opposing ends for hanging various items either vertically or horizontally. 5267: 4nut062nccz: 5/8-11 x 2 1/8'' hex coupling nut zinc: 500: $0. Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses. Feedback. 99. ASTM A563, A194, and F594 each have a certifiable proof load and hardness associated with each grade of nut. Nut Weight Chart. Join two female-threaded parts of various thread types and sizes, while allowing air, liquids, wire, or other thin materials. Standard Coupling Nuts. Includes : Each: Grade 2 Steel. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. These metric coupling nuts have good chemical resistance. Universal-Thread Stainless SteelPush-to-Connect Tube Fittings for Air and Water. 5, type 304 and type 316. Find My Store. All ITP warehouses stock low carbon and medium carbon steel coupling nuts in Plain, Zinc, and HDG. Coupling nuts are manufactured with a plain finish and are either cold drawn or hot-rolled depending on the bar. Model Number: 88314 Menards ® SKU: 2023688. They are typically used to join two pieces of the threaded rod together, allowing. OD 1 Inch 17. Join two female-threaded parts of various thread types and sizes, while allowing air, liquids, wire, or other thin materials to pass through. x 4" Dp. The most common sizes for coupling. Generally hand tightened. Connect and extend threaded rods. FREE delivery Wed, Nov 29 on $35 of items shipped by Amazon. Key-Locking Inserts with Installation Tool. In stock and ready to ship. The most common sizes for coupling. Faucet Shank Locknut. The two components work together by a combination of friction between the threads, a slight stretch of the bolt, and compression of the mating . Standard Coupling Nuts. Coupling nuts are designed to join two externally threaded objects. Product Type. Aluminum Coupling Nuts. Threaded Shaft Adapters. Aluminum Coupling Nuts One- third the weight of steel, aluminum coupling nuts resist corrosion in wet environments. $999 ($2. 2,321 products. They maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Flat sides won’t spin in channels and square holes. /Thread Size #10-32, Length 3/4 In. 20 / 100: $397. You can always find our nuts and bolts at affordable prices, and they are always available or on-demand shipping. Comparable in strength to Grade 9 bolts, these coupling nuts are about 20% stronger than high-strength steel coupling nuts. These inserts come with an installation tool. More corrosion resistant than 18-8 stainless steel coupling nuts, these nuts have excellent resistance to chemicals and salt water. Hex couplers are threaded right hand. Hex Coupling Nut - Coupling Nuts 1/2"-13 x 1-3/4" Long Coupling Nut, Hex Rod Coupling Nut with Zinc Plate, Hex Coupling Nuts 1/2"-13 x 1-3/4" Threaded Rod Connector (4) Hard-to-Find Fastener 014973403393 Coarse Rod Coupling Nuts, 1/2-13, Piece-12 #1 Best Seller . Create D-sub connection points in panels, cases, and enclosure walls. To connect, insert the plug into the socket and push the levers down. About half the strength of medium-strength steel coupling nuts, these metric nuts are for light duty fastening applications. Flat sides won’t spin in channels and square holes. Which coupling nut should be selected for use with 1/2-inch aluminum oil lines which are to be assembled using flared tube ends and standard AN nuts, sleeves, and fittings? C - AN-818-8. In Stock at Store Today. Choose from our selection of 7/8"-14 nuts, including over 90 products in a wide range of styles and sizes. 36 / ea $60. Hex coupling nuts are made to be highly enduring and able to suit the wide variety of applications they are commonly used for. S. Left-Hand Threaded Super-Corrosion-Resistant316 Stainless Steel Thin Hex Nuts. Model Number: 88316 Menards ® SKU: 2023690. Change thread sizes or types, such as fine to coarse threads, on parts without changing gender. Grade: A2-70. A coupling nut is a threaded fastener used for joining two male threads, most commonly threaded rod. Connect two differently sized male-threaded parts, such as threaded rods, and tighten with a standard wrench. More corrosion resistant than 18-8 stainless steel nuts, these nuts can be used in saltwater environments. Stretch and tear the tape to complete the wrap. As with all Earnest products, we offer custom plating service and can rework parts to your customers specific needs. Hillman 5/16-in Zinc-plated Steel Regular Coupling Nut (2-Count) Hex coupling nuts are defined by their elongated hexagonal shape and are used to connect two pieces of threaded material at opposite ends. Sizes range from #4-40 to 12 inches in diameter, and up to 14" in length. These coupling nuts feature punched inspection holes for visual. 25 Metric Coarse, 24mm OAL Steel Standard Coupling Nut. 622 products. Weld these nuts to flat and uneven uncoated steel surfaces for a strong permanent hold. Cap Nuts. In stock and ready to ship. In stock and ready to ship. Model # 500 4165. ITP also stocks every reducer coupler size combination from ¼-20” through 2-4. nz or call one of our friendly and helpful team members on 06 872 6777. Coupling nuts with opposite thread directions feature opposing threads on either end. net dictionary. Used with threaded rod, the coupling nut joins 2-piece of threaded rod together from opposing ends for hanging various items either vertically or horizontally. Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft. Use adapters on the ends of forcing screws and face-grip puller legs when pulling shafts, bearing caps, and pinions. Square Nuts. Choose from our selection of 1/2"-20 nuts, including over 400 products in a wide range of styles and sizes. Coupling Nuts In The Sizes And Finishes You Need. Hex coupling nut dimensions sizes table according to ASME B18. Coupling Nuts are used to make up long tie rod assemblies from shorter lengths of rod and to facilitate assembly of two fasteners or fittings which both have external threads. Impact resistant coupling nut has 2. 2H, ASTM A563 GR. The industry standard for quick-disconnect couplings, these are also known as industrial interchange couplings. Available in various diameters and lengths. Often paired with spring lock washers to strengthen their hold, these retaining nuts— also known as shaft nuts— keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. Hex and jam nuts are the most common type of nut and can be used together to lock fasteners in place. Description: A nut is a type of fastener with a threaded hole. 8193. Thread Adapters for Drum Openings. Stainless steel 18-8Next, attach the tailpiece to the drain assembly before connecting the trap adapter to it. Phone: 800-445-4101. A long nut used to connect pieces of threaded rod or other male threaded fasteners. Rrina 8 Sets M10 Lamp Pipe Repair Parts Kits, M10x30 Hexagon Open Nut, M10x50 All Thread Lamp Pipe Nipples, M10 Hex Lock Nut. ' Coupling Nut, Nut Style Coupling Nut, System of Measurement Inch, Basic Material Steel, Material Grade Grade 2, Fastener Finish Zinc Chromate, Fastener Thread Direction Right Hand, Dia. paulin 10/32 hex machine screw nut. More corrosion resistant than 18-8 stainless steel coupling nuts, these metric nuts have excellent resistance to chemicals and salt water. Availablity: In stock. Metal tubing fluid lines are sized by wall thickness and. Brass Coupling Nuts Brass coupling nuts are corrosion resistant in wet environments and electrically conductive. Add to Cart. 932 bearing bronze and 673 bronze nuts are wear resistant. Web Price : $27. Threads: Metric Coarse & Imperial BSW. Threaded Shaft Adapters. Cover and protect threads while adding a finished look. 49Coupling Nuts. What does COUPLING NUT mean? Information and translations of COUPLING. Model Number: 76246. The nut diameter is the bolt size, so a 1/4" 20 nut will thread a. Hex coupling nuts are made to be highly enduring and able to suit the wide variety of applications they are commonly used for. Starting at $0. Metal tubing fluid lines are sized by wall thickness and. In stock and ready to ship. $212. Coupling nuts, Stainless steel 18-8, 3/8"-24 x 1-1/8" Prod. Coupling Nuts - Stainless Steel Coupling Nuts are made to DIN6334 specifications and are often used for joining or coupling lengths of Stainless Steel Threaded Rod (All thread). Flange Serrated Nuts. 5pcs Long Rod Nut Carbon Steel Hex Coupling Nuts Hexagonal Sleeve Nut Standoff M10 Threaded Fasteners (M10x50) Hard-to-Find Fastener 014973322113 Coarse Coupling Nuts, 5/16-18, Piece-8 Hard-to-Find Fastener 014973261733 Grade 8 Fine Hex Nuts, 7/16-20, Piece-25Typically, a coupling nut would be specified as a grade of nut, as opposed to a grade of bolt. Use adapters on the ends of forcing screws and face-grip puller legs when pulling shafts, bearing caps, and pinions. Choose from our selection of long rod nuts, including steel extra-long coupling nuts, low-strength steel coupling nuts, and more. Finished in a zinc-plated finish for corrosion protection. Simpson Strong-Tie coupler nuts are a tested and load-rated method to join threaded rod and anchor bolts. Pack Size. Connect the trap adapter to the PVC pipe and tighten the coupling nut until it is snug. Considered heavy hex nuts, they are about 10%. Medium-Strength Steel Coupling Nuts— Grade 5 Made from Grade 5 steel, these inch-sized coupling nuts are suitable for most applications. In stock and ready to ship. MC6001 Metric Compression Bite Ring Details. 591 Results. Web Price. Coupling nuts act as a junction to connect two male-threaded fasteners. Choose from our selection of threaded rod coupling nuts, including low-strength steel. #4 Flange. More corrosion resistant than 18-8 stainless steel coupling nuts, these metric nuts have excellent resistance to chemicals and salt water. Strength: Mild Steel, Class 5, 8, Grade 2 & A4-70. The two ends are often different, making joining two pieces with varying thread sizes easier. Extreme-Strength Steel Coupling Nuts Comparable in strength to Grade 9 bolts, these coupling nuts are about 20% stronger than high-strength steel coupling nuts. Start the slip joint nut by hand, and twist it on until the threads are engaged correctly. Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series) ASME B18. The coupling nut joins two pieces of threaded rod. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. a nut or threaded ring in the middle of the fitting is tightened to join two pipes. Thread Size. Showing 20 of 20 products. As with all Earnest products, we offer custom plating service and can rework parts to your customers specific needs. Low-Strength Steel Coupling Nuts About half the strength of medium-strength steel coupling nuts, these nuts are for light duty fastening applications. Connects male threads at each end to make long rod assemblies. 174 products. Add to Cart . FREE next day delivery available, free collection in 1 minute. Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead. There are no grade markings on 18-8 stainless hex. Available in various diameters and lengths. 06 / 25: $553. In stock and ready to ship. So, the only documented guidelines regarding the strength of coupling nuts or sleeve nuts are derived from the ASTM nut specification to which the nuts are certified. Mild steel plain coupling nut, size. • 1/2 inch chrome plated faucet coupling nuts from Homewerks™. Coupling nuts act as a junction to connect two male-threaded fasteners. Note: Product availability is real-time basis and adjusted continuously. Thread Lg. 29 / PACKAGE of 2. 2. Pieces in Pack/Case. MC6002 Metric Compression Bulkhead Nut Details. Made from 18-8 stainless steel, these metric coupling nuts have good chemical resistance and may be mildly magnetic. The Witness Hole in each nut provides a means to verify when rods are properly installed. Cap Nuts. Brass Hex Machine Screw Nuts. 243. Known for their strength, steel coupling nuts are available with a corrosion-resistant finish. Choose from our selection of threaded couplings, including low-strength steel coupling nuts, round coupling nuts, and more. 28. Select the base part number for coupling halves from the table, above. 536 products. $13. 06495/each) More corrosion resistant than 18-8 stainless steel coupling nuts, these metric nuts have excellent resistance to chemicals and salt water. In stock and ready to ship. They’re half the height of standard hex nuts, so they fit where there’s low clearance. 3-48. If maximum bore is exceeded, move to larger size with adequate bore. Hex couplers are also threaded right hand. Product Type. 26 with Mail-In Rebate. Shop our selection of Nuts in the section of Fasteners in the Building Materials Department at The Home. 2001 Series Couplings2. Hex Coupling Nuts are defined by their elongated hexagonal shape, and are used to connect two pieces of threaded material at opposite ends. 447A*531 banding backshell fits AS50151 crimp (MS3450), AS95234, MIL-DTL-26482 Series II, MIL-DTL-83723 Series III and EN2997 connectors. Cross-ribbed, two piece housing construction; Sizes from ¾ – 24″ | DN20 – DN600; Pressures up to 1000 psi | 6895 kPa | 69 barDefinition of COUPLING NUT in the Definitions. Coupling Nuts. A flange nut is a nut that has a wide flange at one end which acts as an integrated washer that does not move or spin. Live Chat. Choose from our selection of 1/2"-20 nuts, including over 400 products in a wide range of styles and sizes. 88 with Mail-In Rebate. Screwfix customers rate this product 4. 8 products. 93 / pkg. Generally hand tightened. Smaller and lighter than cordless and hydraulic rivet nut tools, use these to install thin-walled bulbed, ribbed, sleeve, and smooth rivet nuts. They are typically used to join two pieces of the threaded rod together, allowing them to extend beyond the length of a single piece. Plastic (Clamp Kit); Steel (Studs, Coupling Nuts, Washers); Nylon 101 (Clamps, Rest Feet) (1) Thread Size. They are similar to hex nuts with extreme height measurements giving it length. A coupling nut is a threaded fastener used for joining two male threads, most commonly threaded rod. These metric-sized coupling nuts are Class 10 steel, so they’re about 25% stronger than medium-strength steel coupling nuts. These metric coupling nuts have good chemical resistance. . Coupling Nuts are heavy profile hexagon head bolts with full or partial thread configurations. 4. Choose from our selection of 7/16"-20 nuts, including over 140 products in a wide. Also known as extension nuts, use them to connect and extend threaded rods. When it comes to 7/16"-20 Coupling Nuts, you can count on Grainger. More corrosion resistant than 18-8 stainless steel nuts, these nuts have excellent resistance to chemicals and salt water. insert nuts. Package Quantity: 5. They are commonly utilized in applications that require extending the length of a bolted connection, such as in building braces, joining similar fixtures, or attaching threaded rods in suspension systems. The less common eye coupling nut is slightly different, as its entire assembly attaches to a beam or a truss, serving to vertically suspend a threaded rod or bolt. For instance, per the F1554 specification, A194-2H or A563-DH heavy hex nuts are the recommended nuts to be used in conjunction with. Super-Corrosion-Resistant 316 Stainless SteelHeavy Hex Nuts for High-Pressure Applications. 60 / ea $43. Chemically they match the A563 & A194 nut specifications. Spread a thin layer of Teflon pipe joint compound over the tape (Photo 2). Standard coupling nuts are 3 diameters in length. Handle Nuts. Extreme-Strength Steel Coupling Nuts Comparable in strength to Grade 9 bolts, these coupling nuts are about 20% stronger than high-strength steel coupling nuts. 18-8 stainless steel hex coupling nuts are made from one of the following austenitic alloys: 303, 303Se, 304, XM7, all of which are characterized as having a chromium content of 17-19% and nickel content of 8-10%. Hillman 5/16-in x 24 Zinc-plated Steel Regular Coupling Nut (50-Count) Item #454758 | Model #180651. x 4" Wd. Pro tip: Throw a towel on the floor underneath to catch water that will drain from the line. 7 mm Drive Style External Hex Hex Slotted Coupling Nut Profile Extra Long Standard Coupling Nuts. Also known as extension nuts, use them to connect and extend threaded rods. Connect and extend threaded rods. US$ 780-1500 / Ton. Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads. [3] The outside of the fastener is usually a hex so a wrench can hold it. Faucet Coupling Nut 1/2 Id-CH-2pack. Adapt your shaft to a threaded end without having to machine threads onto your shaft. All dimensions are given in inches. They’re half the height of standard hex nuts, so they fit where there’s low clearance. T-Slot Blocks. wing nuts. Product Details Feedback. Choose from our selection of grade 5 steel coupling nuts in a wide range of styles and sizes. Hex Coupling Nuts used for construction materials for projects such as docks, bridges, highway systems, and homes, among other. Cap Nuts. Low-Strength Steel Coupling Nuts About half the strength of medium-strength steel coupling nuts,. Panel Nuts. One-third the weight of steel, aluminum coupling nuts resist corrosion in wet environments. Thumb Nuts. Almost any time you are fastening parts together, a nut will be used to mate the parts. , Fastener Thread Type UNF, Width Across Flats 5/16 In. Steel Extra-Long Coupling Nuts. The male threaded ends mate with NPT, NPTF, BSPT, BSPP, and other universal threads, so you won’t have to worry about. Coupling nuts with opposite thread directions feature opposing threads on either end. Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen. 3. Add to Cart. These coupling nuts have good chemical resistance and may be mildly magnetic. More Info. Rating. BROWSE CATALOG. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to. Low-Strength Steel Coupling Nuts About half the strength of medium-strength steel coupling nuts,. Coupling Nuts. Quick-Clamping Coil-Threaded Rods, Screws, and Nuts. A zinc plating provides corrosion resistance in wet environments. Imperial: Dia 1/4" - 7/8". A coupling nut is a threaded fastener used for joining two male threads, most commonly threaded rod. More corrosion resistant than 18-8 stainless steel coupling nuts, these nuts have excellent resistance to chemicals and salt water. Your first step is making sure that the ASTM grade of coupling nut being used with the threaded rod or bolt is the same grade as the recommended grade of nut that would be used with the. Coupling Nuts, also known as Extension Nuts, are threaded fastener for joining two male threaded objects, most commonly threaded rod, but also pipes. Coupling nuts are threaded right-hand. 10 mm 11 mm 12 mm 12. New User;Crown Bolt's rod coupling nuts are internally threaded nuts in extended lengths. Socket Nuts. See our nut compatibility chart to determine the compatible hex coupler for a specific grade of bolt. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. 8 Phillips Oval Countersunk; DIN 7985-4. Use adapters on the ends of forcing screws and face-grip puller legs when pulling shafts, bearing caps, and pinions. 80 (2) M5x0. About 10% wider and taller than standard hex nuts, these heavy hex nuts distribute the load over a large area. 06 / 25 $553. Coupling nut is have extra thick thickness, also called connect nuts or long nuts. A coupling can be a reducer, or reducing coupling, meaning they reduce flow by joining a larger pipe. You Save $0. K-Lock (Keps) Nuts - (USS) Coarse Thread; K-Lock (Keps) Nuts - (SAE) Fine Thread; Serrated Flange Lock Nuts . Easy to tighten and loosen by hand for making frequent adjustments. They maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. The Zinc Rod Coupling Nuts from Everbilt are designed to join two pieces of threaded rod together from opposing ends for hanging various items either vertically or horizontally. Aluminum Coupling Nuts One- third the weight of steel, aluminum coupling nuts resist corrosion in wet environments. OD 1-1/4. In stock and ready to ship. insert nuts. Available in 1/4 inch to 7/8 inch, Grade 5 Zinc Yellow, in both box or broken case quantities. the overall length of Coupling Nut is more than the length of the normal nuts.