| Type |
Other |
| Material |
High Speed Steel |
| Use |
Metal Drilling |
| Place of Origin |
Jiangsu China (Mainland) |
Step drill bit Item No.DescriptionStepsStep lengthSD10014-12mm5 step5mmSD10024-12mm9 step11mmSD10034-20mm9 step5mmSD10044-22mm10 step5mmSD10054-32mm15 step5mmSD10065-35mm13 step3.5mmSD10075-28.3mm10 step5mmSD10086-18mm7 step5mmSD10095-29mm10 step5mmSD10106-18mm7step5mmSD10116-20mm8 step5mmSD10126-30mm13 step5mmSD10136-33mm12 step5mmSD101414-24mm6 step5mmSD101530-40mm11 step5mm