1/4-20 x 2-1/2" (10 Sets) Stainless Steel Button Head Socket Cap Screws with Hex Locknuts with Nylon Insert, Stainless Steel 304 (18-8), Full Thread,

1/4-20 x 2-1/2" (10 Sets) Stainless Steel Button Head Socket Cap Screws with Hex Locknuts with Nylon Insert, Stainless Steel 304 (18-8), Full Thread,

Screw-Allen Hex Drive: 5/32" (0.156"); Nut-Hex Drive: 7/16"; Package： 10 Sets Thread Size: 1/4-20; Thread Pitch: 20 TPI Coarse Thread (UNC); Thread Style: Right Hand; Thread Coverage: Full Thread Screw Length: 2-1/2 inch; Diameter of Head: 0.437 inch; Height of the Head: 0.132 inch; Nut Width from flat to flat: 0.4 inch; Height of the Nut: 0.3 inch; Made of 304 stainless steel (no coating outside) 18-8 which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments About Button Head Socket Cap Screws

Button head socket cap screws are precision threaded fasteners with an internal socket drive (also called allen hex drive) for installing in areas with limited side clearance.The internal hex drive requires an Allen wrench. They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on and serves a wide range of use for professionals, amateurs, landlords, repairmen and DIYers.

About Nylon Inserted Hex Locknuts

Nylon inserted hex locknut is a kind of nut with nylon collar insert to resisting turning. Nuts are widely used in conjunction with a mating bolt to fasten two or more parts together. Its inner diameter might be slightly smaller than the major diameter of the screw. Then nylon insert locks the nut by friction against the screw under the applied radial compressive force.
About the Material

The high quality 304 stainless steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance.

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