BSW Intermediate Chrome Tap by Bordo Replaceable Hinge Boring Head suit Blum Hinges Multi-step pulleys that let you

Multi-step pulleys that let you change drilling speeds just by repositioning the drive belts

Extension Bar 3/4” Drive 200mm

Superior quality - Triple-distilled for purity & consistency

Steel Ball Joint Swivel Pad

BSW Intermediate Chrome Tap by Bordo Replaceable Hinge Boring Head suit Blum Hinges Multi-step pulleys that let youAbout this item: Chrome Alloy BSW Intermediate Hand Tap. Used as thread chasers to clean an existing thread. They can also be used to create a new female thread in non ferrous metals and plastics. Chrome alloy taps are not suitable for creating precision, safety or critical threads. British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads. This thread form was developed by Sir Joseph Whitworth