HSS Step Drill Set 3pcs
Negotiable /Piece
Min.Order:5000 Pieces
Zhenjiang Richoice Machinery Imp. & Exp. Co., Ltd.
HSS Step Drill
1 x HSS step drill 4-12mmX5step bit
1 x HSS step drill 4-20mmX9step bit
1 x HSS step drill 4-32mmX15step bit
Application
1. For drilling large holes in thin material and reboring existing holes
2. Steel sheet and stainless steel from 0.1 to 2 mm thick.
3. Non-ferrous metals from 0.1 to 5 mm thick.
4. Plastic up to 10 mm thick.
5. In all rotary and percussion drilling machines
6. In machines for mechanical processing
7. Only for rotary use.