No. 4-48 UNF x 1/4" Countersunk Screw allen key

No. 4-48 UNF x 1/4" Countersunk Screw allen key

Countersunk Socket Head Screw – UNF Fine Thread

American UNF fine thread

48 threads per inch (48 TPI)

Standards: ASME/ANSI B18.3-2002, ASTM A574

Material: heat-treated alloy steel, 1960 series

Hardness: 38–43 HRC

Thread class: 3A

Comparable to DIN 7991

Dimensions

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

Thread diameter: 2.85 mm

Hex socket size: 1/16" (1.59 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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