6-40 x 1/4" Flat Head Socket Cap Screws Black Oxide Alloy Steel Qty 50 WHB3_U8SIQ85

6-40 x 1/4" Flat Head Socket Cap Screws Black Oxide Alloy Steel Qty 50 WHB3_U8SIQ85

$3.85
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Thread Diameter 0.138" Head Diameter 0.307" Head Height 0.097" Allen Hex Drive Size 5/64" 82 Degree Countersink Flat Head Socket Cap Screws length is measured in their entirety, which is from the top of the head to the tip. A flat head is cone shaped for use in countersunk holes and has a flat top that fits flush with the mated surface. Stainless steel socket cap screw has a plain finish and a flat head with an internal hex drive. Stainless steel resists corrosion and may be magnetic. The flat head is cone shaped for use in countersunk holes and has a flat top that fits flush with the mated surface. The internal hex drive, also known as a hex-socket drive, has a hexagonal slot that requires an Allen key driver, also known as a hex key or Allen wrench.Black Oxide, blackening, oxidizing, oxiding, black passivating, gun bluing. These terms all refer to the process of forming a black iron oxide on the surface of ferrous metals. Black oxide is a conversion coating formed by a chemical react

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