Boring bar blank HSK 63 - 63 - 250Application: For the manufacturing of special tools. Note: Cone and flange hardened and grinded. Soft body for later processing. 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

- with clamping adapter Ø 6 mm und Ø 8 mm

Ring gauge accuracy according to DIN 2250Delivery:

without a tool

For all solid drills with cylindrical shank according to DIN 6595

clamping depth = 61

integrated in the adapter

Taper angle tolerance < AT 3 according to DIN 2080

2 x 53 x 18

Test certificate

clamping depth l2 = max

For use on vises

alloyed steel