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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Carbon Steel RPM:1737
Blade Size: 27mm x 0
It provides a clean and exact cut
protected area
maximum runtime
BSW Bottoming HSS Tap by Bordo Size:1/2" x 12TPI Carbon Steel RPM:1737About this product: HSS BSW Bottoming 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. Bottoming Taps have a lead of two threads and are used to ensure minimum thread run out when tapping to the bottom of a blind hole.
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