1/4 UNC x 4″ Socket Countersunk Screw

£1.85 + VAT

Unified Coarse thread 20 TPI

Description

1/4 UNC x 4″ Socket Countersunk Screw
Major Diameter 0.250″
Thread Pitch 20 TPI
Length including head 4.00″
Thread Length 3.81″
Hex Wrench Size 5/32″
Cap Diameter 15/32″
(0.47″)
Cap Height 3/16″ (0.1875″)
Countersink angle 80°
Thread Included Angle 60°
Material Grade 18-8 (A2-70 or 304) stainless steel
Manufacture Cold-forged;
Rolled threads
Applicable Standard BS1768:1963
Alternative nomenclature Socket CSK,
Flat Head
Application
Triumph T150, T150V Trident gearbox inner casing bolt

Additional information

Weight 0.025 kg

You may also like…