BSF Bolts

A 1/4-26 BSF Fillister Head Slotted Screw (part threaded).Under head dimension: 2-3/4". Thread length: 1-1/4". Head diameter: 3/8".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.

A 1/4 BSF socket cap bolt, 2" UH length, 1" partially threaded.  Overall length, 2.2".

A 1/4 BSF hexagon set bolt (threaded up to head)Under head dimension: 3". Standard hexagon size (.445" A/F)Head machined flat (no markings).

A 1/4-26 BSF Fillister Head Slotted Set Screw (threaded up to head).Under head dimension: 3/4". Head diameter: 3/8".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.

A 1/4 BSF hexagon set bolt (threaded up to head)Under head dimension: 3/8". Standard hexagon size (.445" A/F)Head machined flat (no markings).

A 1/4 BSF socket cap bolt, 3" UH length, 1" partially threaded.  Overall length, 3.2".