Step Drill Bit 4122032Mm Nirtird Coated Wood Metal Drill

Features: High speed steel material, more durable.Nitride coated to reduce friction and run cooler No need for a pilot hole, can automatically deburr holes as you drill. step stucture, can drill different size holes, 1 step drill can be used as 1 box of drill bit.

Working with water cooling, can effectively extend the service life of bit,drilling speed 250--400 recommended.Widely used to cut holes of material like thin steel board, wood, thin iron, aluminum alloy,insulation boards, PVC sheet,.

Type: Spiral Step Drill Bit

Coated:Nitride Coated

Handle:Triangle

Scop: Thin iron plate,aluminum,insulation panels,PVC panels 0.4mm thickness within the timber.

4-12mm: 4-6-8-10-12mm 5 steps

4-20mm: 4-6-8-10-12-14-16-18-20mm 9 steps

4-32mm: 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm 15 steps

Colour:black

Material:high speed steel

Package Contents:

1 x 4-12mm drill head

1 x 4-20m drill head

1 x 4-32mmm drill head

Only the above package content, other products are not included.

Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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