1/4 UNC x 4½” Slot Countersunk Screw

£0.75 + VAT

Unified Coarse thread 20 TPI

Description

1/4 UNC x 4.1/2″ Slot Countersunk Screw
Major Diameter 0.250″
Thread Pitch 20 TPI
Length overall 4.50″
Thread Length 4.31″
Cap Diameter 7/16″
(0.4375″)
Cap Height 3/16″ (0.1875″)
Countersink angle 80°
Material Grade 18-8, A2-70 (304) stainless steel
Manufacture Cold-forged;
Rolled threads
Applicable Standard BS1768:1963
Alternative nomenclature Flat Head

Additional information

Weight 0.05 kg

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