Countersunk Screw No. 4-40 UNC 1/2", nickel-plated, Allen key

Countersunk Screw No. 4-40 UNC 1/2", nickel-plated, Allen key

American UNC Coarse Thread

Thread type: UNC (Unified National Coarse)

40 threads per inch (40 TPI)

Standard: ASME B18.3-03

Hardness: HRC 39–44

Countersink angle: 82°

Finish: zinc plated

RoHS compliant

Dimensions

Overall length including head: 1/2" (12.7 mm)

Thread diameter: 2.84 mm

Hex key size: 1/16"

Applications: Ideal for use in vehicles, motorcycles, boats, aircraft, and archery.

 Tip:Suitable for compound and recurve bows, archery, sight mounts

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