Cutting Tools

HSS ‘Blue Ring’ Taps Manufactured to DIN 371/376 Suitable for the following Material Groups Note: Fluteless taps may also be used on stainless steel. See ‘Green Ring’ Fluteless on page 192. Spiral Flute (BLT) - HSS-EV Oxidised Finish For deep blind holes. Taper lead to DIN form C (2 x P to 3 x P). Tapping tolerance to 6.... >>

HSS ‘White Ring’ Taps Manufactured to DIN 371/376 Suitable for the following Material Groups Straight Flute - HSS-EV Nitride Finish For through holes. Taper lead to DIN form D (taper) (3.5 x P to 5 x P). Tapping tolerance to 6HX..... >>

HSS ‘Blue Ring’ Taps Manufactured to DIN 371/376 Suitable for the following Material Groups Note: Fluteless taps may also be used on stainless steel. See ‘Green Ring’ Fluteless on page 192. Spiral Point/Gun Nose - HSS-EV Oxidised Finish For through holes. Taper lead to DIN form B (3.5 x P to 5.5 x P). Tapping tolerance.... >>

Spiral Flute - HSS-EV Oxidised Finish For blind holes. Taper lead to DIN form C (3 x P). Tapping tolerance: spiral flute to 6H. ISO Metric Coarse Helix angle 40°. Tapping depth 2.5 x D..... >>