HSS Hand and Machine Taps
HSS Tap BSW Inter-7/8x9
Stock Code :
BORD3028-7-8I
Tools & Gear Taps & Dies HSS Hand and Machine Taps
- 7/8" x 9 BSW Intermediate HSS Tap
- HSS BSW Intermediate Hand and Machine Tap.
- 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 in 1841.
- The thread form has rounded roots and crests and is specified in BS84:1956.
- Intermediate Taps have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.
- Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
