BSW Spiral Flute Tap Set

• 1/8 - 1/2" BSW Spiral Flute 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 Flute Tap

• Are used for machine tapping in all blind hole applications especially in soft metals that produce long stringy swarf such as aluminium copper and magnesium.
• Manufactured from HSS-Co5 this modern design tap uses the shear action provided by the spiral flutes to draw the swarf out of the hole which minimises swarf clogging when tapping deeper holes.

Contents

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