1) Made of high quality spring steel
2) Powerful clamping ability with high precision and stability
3) Used for drilling, boring, milling, tapping, and so on.
4) Adapted for DIN6499B
Matarial: 65MN
Accuracy: within 0.015
ER8 dH7 ￠0.5-5 mm; 1/32-13/64 in
ER11 dH7 ￠ 1-7 mm; 3/64-17/64 in
ER16 dH7 ￠1-10mm; 3/64-3/8 in
ER20 dH7 ￠ 1-13mm; ￠3/64-33/64 in
ER25 dH7 ￠ 1-16mm; ￠3/64-5/8 in
ER32 dH7 ￠2-20 mm; ￠1/16-25/32 in
ER40 dH7 ￠3-26 mm; ￠1/8-1 in
ER50 dH7 ￠6~34 mm; ￠1/4~1 in, 1-1/32~1-5/16 in