Features: BSW - British Standard Whitworth; These Left Hand taps have an angle of thread is 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. ; Specifications:Diameter7/8"Pitch9 tpiLeadingIntermediateOverall Length118 mmTapping Drill19.5 mm
Features: BSW - British Standard Whitworth; These Left Hand taps have an angle of thread is 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. ; Specifications:Diameter7/8"Pitch9 tpiLeadingIntermediateOverall Length118 mmTapping Drill19.5 mm
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Features: BSW - British Standard Whitworth; These Left Hand taps have an angle of thread is 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. ; Specifications:Diameter7/8"Pitch9 tpiLeadingIntermediateOverall Length118 mmTapping Drill19.5 mm
Features: BSW - British Standard Whitworth; These Left Hand taps have an angle of thread is 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. ; Specifications:Diameter7/8"Pitch9 tpiLeadingIntermediateOverall Length118 mmTapping Drill19.5 mm
Size
Last updated at 30/06/2025 08:33:00
| Diameter (inch) | 7/8 |
| Thread Form Type | BSW |
| Surface Finish | Bright |
| Drill Size (mm) | 19.25 |
| Flute Type | Straight |
| Diameter (inch) | 7/8 |
| Thread Form Type | BSW |
| Surface Finish | Bright |
| Drill Size (mm) | 19.25 |
| Flute Type | Straight |
