End mill holder Weldon BT 40 - 12 - 63Application: 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

The stylus has a predetermined breaking point at the very top

clamping depth = -

For the inspection of machine tools according to ISO ­recommendation R230 or for testing the tool spindle

ISO-Metric Thread

Instruction manual

Delivery with test certificate All holders are made of forged steel

For the manufacturing of special tools

stress-relieved and precision ground

2 x 53 x 18

Mode : Peak

clamping depth l2 = max

With retaining screw