Recommended for ‘blind hole’ machine tapping, especially in softer and more ductile materials such as Aluminium, Brass, Copper, etc that produce long continuous chips and swarf. The right hand spiral flutes on the taps draws swarf and chips out of the hole and avoiding the build up of swarf and chips clogging at the bottom of the threaded hole,potentially causing spoiled threads and potential broken taps


The ‘Blue Rapier’ is a Goliath patented product and has special surface treatments to lower friction, which improves production rates, and to extend the tap life.

High Speed Steel (HSS) Ground thread taps

Produced to ISO 529 and BS 949

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Product Key
Metric/Imperial
Pitch Diameter Tolerance
Class of Fit
Available in:
Taper Lead
Second Lead
Bottom Lead
Contact Us

Goliath House,
Newton Row,
Aston, Birmingham,
B6 4NQ

Tel: 0121 359 6621

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Accreditations
ISO9002
Global Offices