End mill holder Weldon PSK 40 - 12 - 55Application: For mounting straight shank tools with lateral flat according to DIN 1835 form B (Weldon). Delivery: With clamping screw 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

Ø 6 – Ø 32 with h6-tolerance

For highest axial and radial loading

For retaining screw DIN 6367

For internal machining with boring bars

Setting angle: 93°

Synchro tapping chucks compensate synchronisation errors

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

ISO 7388-3 - Retention knobs

ER-system with spray nozzles

Without wrench

tool steel

For mounting milling cutters with transversal groove