6Pcs 22-65mm HSS Hole Drill Bit Set Stainless Steel Alloy Wood Tools

Name:Hole Drill Bit

Model:581742

Specifications:

Material: HSS

Diameter: 22 30 35 45 50 65mm

Handle Diameter: 9mm

Optimal Rotational Speed:280~300r/min

Features:

1, after a special heat treatment, sharp edges, high strength.

2, with high precision, smooth, special impact resistance, good wear resistance

3, open the hole smooth without burr, saving time and effort.

4, when Chilled materials, edge should be filling cooling .

5, can be used for thick steel plates, cast iron, wood, stainless steel, aluminum, fiberglass,

non-standard angle iron and metal open hole.

Use Note: smooth operation, to avoid the impact, please master the speed of a reasonable

use when adding a little coolant (such as water), can extend the service life.

Package included：

6x HSS Hole Drill Bits

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