Feature
●High-quality material: these step drill bits are made of high-speed steel, are rust-proof, robust and wear-resistant and can be used for a long service life.
●Easy to use: the step drill allows you to cut holes of several sizes with one drill. Avoid constantly changing the drill.
●Automatic centring stamp: the automatic centring stamp can fix a hole position before using the step drill, preventing slipping and shifting.
●Dimming: the diameter of the 3-step drill is 3-12 mm, 4-12 mm or 4-20 mm and can meet your different requirements.
●Widely used: these step drill bits are often used for cutting steel, aluminium sheet, brass, copper, plastic, wood, etc.
Description
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High-quality materialThese step drill bits are made of high-speed steel, rust-proof, robust and wear-resistant and can be used for a long service life. |
Easy to useThe step drill allows you to cut holes of multiple sizes with one drill. Avoid constantly changing the drill. |
Automatic centring stampThe automatic centering punch can fix a hole position before using the step drill, preventing slipping and shifting. |
dimmensionThe diameter of the 3-step drill bits is 3-12 mm, 4-12 mm or 4-20 mm and can meet your different requirements. |
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