1/4 WHIT x 4″ Fillister Head Slotted Screw
A 1/4-20 WHIT Fillister Head Slotted Screw.Under head dimension: 4". Head diameter: 3/8".Thread length is 1-1/4".These screws are similar to a cheese head, except that the face is slightly curved and polished.
Designed to fit engine, chaincase and gear case covers, giving a high standard of presentation.