Whitworth BSW. With a slotted cheese head. Machine screws. Thread size: 1/8" - 1/2". Steel self colour.
Whitworth Round Machine Screws BSW Slotted Head Bolt Camera Imperial Vintage NOS
3/16", Stainless Steel, Whitworth, CSK, Machine Screws.
Whitworth 1/4” X 1 1/2” Cheese Head Machine Screws BSW Slotted Bolt ( 25 off)
1/2" x 1 1/2" WHITWORTH MACHINE SCREWS Allan head countersunk ... Qty 10
Whitworth Round BZP Screws BSW Slotted Head Machine Bolt Camera Imperial Zinc
M3.5 M4 M5 M6 A2 Stainless Steel Slotted Cheese Head Machine Screws DIN 84
