Boring bar blank BT 40 - 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

Jeweled and shock proof

E2= 10 pieces

With drivers

Ring gauge accuracy according to DIN 2250Delivery:

The steel body is hardened and grinded

Ersatz-Reinigungs-Propeller Typ 330mm

KEMMLER Precision collet chuck ER or standard collet chuck Spannfutter ISO 15488 (ex

With built-in tightening bolt All holders are made of forged steel

Magnifying glass is provided for easier reading

for clamping holders with coolant channels directly to the cutting edge

E3= 10 pieces

4 und 5 mm = h4