No. 0-80 UNF x 1/4" Countersunk Screw allen key

No. 0-80 UNF x 1/4" Countersunk Screw allen key

UNF Fine Thread Screw (American Standard)

Thread type: UNF (Unified National Fine)

Thread pitch: 80 threads per inch (80 TPI)

Standard: ASME/ANSI B18.3-2002

Material specification: ASTM A574

Hardness: 38–43 HRC

Fit class: 3A

Material: heat-treated alloy steel, 1960 series

Comparable to: DIN 7991 (similar design)

Dimensions

Overall length including head: 1/4" (6.35 mm)

Thread diameter: 1.52 mm

Hex socket size: 0.035" (approx. 0.89 mm)

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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