BSW Bottoming HSS Tap by Bordo Size:5/16" x 18TPI hammer only and rotation only
Description
hammer only and rotation only for added versatility
More Compact*
With SDS quick-locking nut for rapid disc changes without tools
also under difficult circumstances
Weller ® ML200 Magna-Lite Butane Powered Table Top Torch
BSW Bottoming HSS Tap by Bordo Size:5/16" x 18TPI hammer only and rotation onlyAbout 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.
Exchange/Return Notes
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