BSW ( British Standard Whitworth). whitworth threaded. SOLID BRASS. lengths range from 1" to 3".
BSW WHITWORTH SET SCREWS HIGH TENSILE FULLY THREADED BOLTS 1/4" 5/16" 3/8" 1/2"
BSW WHITWORTH SET SCREWS HIGH TENSILE IMPERIAL HEX BOLTS 1/4" 5/16" 3/8" 1/2"
Square Head Set Screws Lathe Tool Post Carrier Whitworth BSW Vintage NOS
Whitworth Socket Set Screws Grub BSW Hex Allen Key Head Self Colour Vintage NOS
Whitworth Hex Set Screws BSW Hexagonal Head Bolt Steel Self Colour Vintage NOS
1/4" x 1.1/2" BSW Whitworth Allen Caphead Bolts Set Screws Pack of 10 BZP
