1/4X3.1/2′ U.N.C. BOLT


Category: SKU: 1000135006090


Product type:- 1/4″ UNC H.T bolts

Material:- High tensile,grade 8.8

Finish:- Steel (black)

Description:- Hexagonal head

partially threaded

high tensile bolt

Diameter:- 1/4″ / 6.350 mm

TPI:- 20

Head diameter:- 12.8 mm

Spanner size:- 7/16″

Head thickness:- 4 mm

Torque strength:- 10.3 NM


1/4″ bolts with a length up to 1″ or 25mm will be

fully threaded

Longer bolts will only have a 19 mm thread