Spiral flute HSS step drill bits

Feature highlights：

A variety of hole diameters can be drilled with one step drill bit

Step drill bit is ideal for drilling sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm

Instead of multiple bits, Different diameter holes can be processed with one step drill bit at one time

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specification

Spiral flute HSS step drill bits

1.Step drill bits for drilling cylindrical holes in solid material up to a thickness of 4mm

2. It is ideal for sheet metal workers electrical contractor auto mechanices, and general contractors.

3. 135° spilt point tip increases cutting speed with self-centering and the drills do not run off center.

4. The dimension of drilled hole is exact.

5. Titanium coating provides up to two times the life over High Speed Steel.

6.Spiral flute HSS step drill bits from China drill bits manufacturer directly, keeps competitive price with excellent quality. We provide drill bits OEM service worldwide

Spiral flute HSS step drill bits