ATORN chuck for solid drill bits SK50 (ISO 7388-1) dia. 25 mm A=70 mm

Name: ATORN chuck for solid drill bits SK50 (ISO 7388-1) dia. 25 mm A=70 mm
Brand: ATORN
SKU: 23163112

Brand: ATORN

All versions

Application

This chuck is used to clamp indexable insert solid drill bits that are fixed with two screws, similar to a surface chuck.

Execution

Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm, black oxide finish
Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
Max. concentricity < 0.005 mm

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1x SK40 or SK50 solid drill chuck (ISO 7388-1)