Our Products - Socket Countersunk Head Screws

Inch Series
Notes:
1. Threads will conform to Medium Class of BS:84 for BSW & BSF Threads.
2. All Dimensions are in inches.

Thread Size 3/16 1/4 5/16 3/8 1/2 5/8 3/4
T.P.I BSW 24 20 18 16 12 11 10
BSF 32 26 22 20 16 14 12
A Max. 0.356 0.475 0.594 .712 .950 1.187 1.425
F Min. 0.065 0.085 0.105
H Min. 0.085 0.113 0.142 .168 .225 .281 .337
R Ref. 0.025 0.025 0.025
W. Nom. 3/32 5/32 3/16 .221 .316 .379 .379
L Max. 1 1 1/4 1 1/4