Coupling Nuts
from G.L. Huyett

Coupling nuts are sometimes known as extension nuts. These fully threaded nuts are used with threaded rod in a variety of applications; from leveling, to spacing, to joining two or more studs. [See More]

  • Size: #4; #6; #8; #10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"; 2 1/4"; 2 1/2"; 2 3/4"; 9/16"
  • Material: Bronze (optional feature); Stainless Steel (optional feature); Carbon Steel
  • Type: Coupling Nut
  • Finish: Zinc Clear
Heavy Hex Locknut,Slotted,1 3/4-5,PK 5 -- 6YRK3 [352538G from Earnest Machine Products Co.]
from Grainger Industrial Supply

Heavy Hex Locknut, Slotted, Steel, Finish Plain, Grade 2H, Comparable To Property Class 12, Thread Size 1 3/4-5, 1-3/4 In., Thread Type UNC, Thread Direction Right Hand, Width 2 3/4 In., Height 1 23/32 In., Slot Width .52 In., Slot Depth 1.24 In., Pin Dia. 3/8 In., Rockwell Hardness B95 to C35, For... [See More]

  • Size: 1 3/4"
  • Material: Steel
  • Type: Locknut
  • Thread Direction: Right Hand
MONEL® Alloy R-405
from High Performance Alloys, Inc.

A Nickel-Copper alloy, resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy R405 is a nickel-copper alloy with excellent corrosion resistance in a wide variety of media. The alloy is characterized by good general corrosion resistance and moderate to... [See More]

  • Size: 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 3/8"; 1 3/4"; 0.562", 0.687", 1.625", 1.875"
  • Material: Exotic Metals; Monel; MONEL® R-405
  • Type: Hex Nut
ESL Slotted Self-Locking Hexagon Nut -- ESLY00UNC
from J.Lanfranco Fastener Systems Inc.

The ESL's two self-locking slots make it ideal in any application subjected to high vibration, shock, impact, heavy loads, and high temperatures. The ESL provides unparalleled locking ability without seizing up upon removal. [See More]

  • Size: 1 3/4"
  • Material: Bronze (optional feature); Brass (optional feature); Exotic Metals (optional feature); Steel (optional feature); Hardened Steel (optional feature); Stainless Steel (optional feature); Titanium (optional feature); Light Alloy
  • Type: Hex Nut; Locknut; Other; Slotted Locknut
  • Finish: Anti-Galling Coating (optional feature); Phosphate (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Zinc Chromate (optional feature); Self-Color, Pass., Anti-Galling, Geomet
Flexnut Standard SX12 Series
from Nord-Lock, Inc.

Superbolt Flexnuts are used in combination with Superbolt tensioners and are designed to flex out at the bottom and flex in toward the top of the nut. This distributes the bolt load along many threads, adds elasticity, and prevents stress concentrations in the first few threads. For through hole... [See More]

  • Size: 3/4" (optional feature); 7/8" (optional feature); 1" (optional feature); 1 1/8" (optional feature); 1 1/4" (optional feature); 1 3/8" (optional feature); 1 1/2" (optional feature); 1 3/4" (optional feature); 2" (optional feature); 2 1/4" (optional feature); 2 1/2" (optional feature); 2 3/4" (optional feature); 1-5/8", 1-7/8", 3-1/4", 3-1/2", 3-3/4", 4", 4-1/4" 4-1/2", 4-3/4", 5", 5-1/4", 5-1/2", 5-3/4", 6"; M20 (optional feature); M24 (optional feature); M27 (optional feature); M30 (optional feature); M33 (optional feature); M36 (optional feature); M42 (optional feature); M48 (optional feature); M56 (optional feature); M64 (optional feature); M39, M45, M52, M60, M72, M76, M80, M90, M100, M110, M120, M125, M130, M140, M150, M160
  • Material: Steel
  • Type: Hex Nut
  • Finish: Basecoat Delta Protekt KL 100, Topcoat VH 302 GZ
Carbon Steel Nut -- LD-024CS-BN
from Xiamen Landee Industries Co., Ltd.

Key Specifications/Special Features: Manufacturing standards: ANSI/ASME. Size range: from 1/4-inch to 4-inch (M8 - M48). Body materials: A194 2H/2HM; A194 4/4M; A194 7/7M; A194 8/8M. Surface: black, galvanized, nickel, cadmium and Teflon plated [See More]

  • Size: 1/4" (optional feature); #16 (optional feature); #18 (optional feature); 5/16" (optional feature); #20 (optional feature); #24 (optional feature); 3/8" (optional feature); 7/16" (optional feature); 1/2" (optional feature); 5/8" (optional feature); 3/4" (optional feature); 7/8" (optional feature); 1" (optional feature); 1 1/8" (optional feature); 1 1/4" (optional feature); 1 3/8" (optional feature); 1 1/2" (optional feature); 1 3/4" (optional feature); 2" (optional feature); 2 1/4" (optional feature); 2 1/2" (optional feature); 2 3/4" (optional feature); 1/4 to 4-inch; M8 (optional feature); M10 (optional feature); M12 (optional feature); M14 (optional feature); M16 (optional feature); M18 (optional feature); M20 (optional feature); M22 (optional feature); M24 (optional feature); M25 (optional feature); M26 (optional feature); M27 (optional feature); M28 (optional feature); M30 (optional feature); M32 (optional feature); M33 (optional feature); M35 (optional feature); M36 (optional feature); M38 (optional feature); M40 (optional feature); M42 (optional feature); M48 (optional feature); M8 to M48
  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Coupling Nuts
from Dyson Corporation (The)

Coupling Nuts. When ordering, specify style and applicable dimensions. Special designs on request. Painting, plating, and galvanizing available. [See More]

  • Size: 1/2" (optional feature); 5/8" (optional feature); 3/4" (optional feature); 7/8" (optional feature); 1" (optional feature); 1 1/8" (optional feature); 1 1/4" (optional feature); 1 3/8" (optional feature); 1 1/2" (optional feature); 1 3/4" (optional feature); 2" (optional feature); 2 1/4" (optional feature); 2 1/2" (optional feature); 2 3/4" (optional feature); 1/2" to 20"
  • Material: Exotic Metals (optional feature); Monel (optional feature); Steel (optional feature); Hardened Steel (optional feature); Stainless Steel (optional feature)
  • Type: Coupling Nut; Hex Nut
  • Finish: Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Painting
CN Crosshead Jamnut -- CN-175-.../w
from Superbolt, Inc.

CN Crosshead Jamnuts are safe and easy to install/remove on compressor crossheads. They were designed in conjunction with a major compressor manufacturer. Crosshead Jamnuts have Superbolt ® patented "captive" machinery type jackbolts as an added safety feature. The bolt circle is larger than on... [See More]

  • Size: 1 3/4"
  • Finish: Black Oxide (optional feature); Zinc Plated (optional feature); Xylan Coated, Cadmium Plated
  • Type: Cylinder Nut; Locknut; Jam Nut
  • Thread Direction: Right Hand
NTU Series -- WY**NTU-2805
from Wyandotte Industries, Inc.

Wyandotte Industries has been manufacturing special nuts and fasteners since 1959!. All Metal Locknuts. Bearing Nuts. Castle Nuts. Coupling Nuts. Flange Nuts. Jam Nuts. Nylon Insert Locknuts. Shear Nuts. Slotted Nuts. Stake Nuts. Spanner Nuts. Wheel Nuts [See More]

  • Size: 1 3/4"
  • Material: Steel (optional feature); Stainless Steel (optional feature)
  • Type: Hex Nut; Nylon Insert Nut; Locknut
  • Finish: Phosphate (optional feature); Zinc Plated (optional feature)