Milling arbors for screw-in cutters SK 40 - M12 - 69 - LB50Application: For mounting screw in cutters with thread. Delivery: 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 the coolant supply through the centre of PSK toolholders

For mounting taps

Extension rod >6mm

clamping depth 2 mm

For mounting straight-shank tools in collet chucks KPS-system

- Parallelism to driver grooves < 0

Only nominal size d can be clamped with sealing plug for internal cooling (applicable up to 21 bar) In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

better process security and productivity

Suitable for mass production

Hydraulic or manual clamping

load capacity 200kg

closable for tools with internal coolant supply