BSW Spiral Point Tap Set

• 1/8 - 1/2" BSW Spiral Point Tap Set.

About BSW British Standard Whitworth

• The 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.

About Spiral Point Tap

• 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.

Contents

Title
Qty
1/8" x 40 HSS Cobalt BSW Spiral Point Tap
1
5/32" x 32 WHIT HSS Cobalt BSW Spiral Point Tap
1
3/16" x 24 HSS Cobalt BSW Spiral Point Tap
1
1/4" x 20 HSS Cobalt BSW Spiral Point Tap
1
5/16" x 18 HSS Cobalt BSW Spiral Point Tap
1
3/8" x 16 HSS Cobalt BSW Spiral Point Tap
1
1/2" x 12 HSS Cobalt BSW Spiral Point Tap
1