ER-Collet chuck SK 30 - 2/16 - 50 | ER 25Application: For mounting straight shank tools in collets. Delivery: With balanced clamping nut All holders are made of forged steel Specific, low warpage hardened Surface hardened HRC 58~60 Hardening depth 0,8mm~0,9mm Taper angle tolerance < AT 3 according to DIN 2080 Surface roughness Ra < 0,4 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

For sealing tools with internal cooling in collet chucks

- with clamping adapter Ø 6 mm und Ø 8 mm

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance2

For drifting of tools with taper shanks DIN 228-1 B

102 x 38 x 15

102 x 40 x 21

break-proof and impact-resistant ABS plastic

the spindle axis is precisely positioned on the edge of the workpiece

making the system suitable for internal cooling

it can be easily repaired at low cost

For mounting solid drills with cylindrical shank according to DIN 6595

Adapter / reduction / extension for polygonal hollow shank tapers