Goliath British Standard Whitworth (BSW) Taper HSS Tap Drills & Drivers 1/4" - 3/4" UNC /

1/4" - 3/4" UNC / UNF HSS Button Die Set - Goliath

this tripod work light stand raises site lighting to the exact level a task needs

Supplied in lengths from 3400 to 3725mm

With a versatile cut for steel

The short handle and non-protruding jaw shank suit plumbing and automotive work where access is tight

Goliath British Standard Whitworth (BSW) Taper HSS Tap Drills & Drivers 1/4" - 3/4" UNC /HSS Bright Finish BSW Hand and Machine Taper Tap This thread form was developed by Sir Joseph Whitworth in 1841 British Standard Whitworth angle of thread is 55 degrees as opposed to 60 degrees in Metric and Unified threads HSS Bright Finish BSW Hand and Machine Taper Tap. British Standard Whitworth angle of thread is 55 degrees as opposed to 60 degrees in Metric and Unified threads. HSS taps provide a high hardness to toughness ratio, compressive and