HSS-E-PM Shark Line Application Taps, DIN Standard
Dormer’s Shark-Line range of material specific taps offer increased performance and accuracy over standard HSS taps. Manufactured from powder metallurgy cobalt steel (HSS-E-PM), each tap features a coloured ring denoting recommendation for use on specific materials:
White Ring Taps for Cast Iron
- Straight flute design for threading of through and blind holes in short chipping materials
- Available with steam tempered or TiAlN surface finish
- Powder metallurgy steel construction for excellent productivity and tool life
- Thread forms available: M
- Product codes: E201, E252 & E390
Blue Ring Taps for Stainless Steel
- Spiral point and spiral flute (40°) options
- Choice of steam tempered or Super B (TiAlN + WC/C) surface finish
- Spiral flute designs feature a back taper to facilitate chip evacuation, reducing both chipping on last threads and also torque when tap reverses
- Thread forms available: M, MF & G(BSP)
- Product codes: E238, E239, E240, E241, E382, E383 & E384
Red Ring Taps for Alloy Steel
- Spiral point and spiral flute (45°) options
- Choice of bright or TiAlN-Top surface finish
- Spiral flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal
- Thread forms available: M
- Product codes: E255, E256, E260, E261
Yellow Ring Taps for Low Alloy Steel
- Spiral point and spiral flute (40°) options
- Spiral flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal
- Special hard chrome plating for sticky materials
- Thread forms available: M & MF