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Buy Taps & Dies HSS-Co5 Machine Taps HSS-Co5 Metric Coarse

HSS-Co5 Machine Taps

HSS-Co5 Tap BSW Spiral Pt.-9/16x12

Stock Code : BORD3128-9-16

Tools & Gear Taps & Dies HSS-Co5 Machine Taps

BSWBRITISH STANDARD WHITWORTH 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. The thread angle for BSW is 55 deg; as opposed to 60 deg; in Metric and Unified threads. Spiral Point Taps are used for machine tapping blind and through holes where there is sufficient clearance to accomodate chips. Manufactured from HSS-Co5 - this modern design tap uses straight flutes supplemented by angular cutting faces at the point to produce a fine finish on the threads. Shallower flutes achieve a stronger cross section allowing the tap to withstand greater cutting forces.

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