Feature
●These drill bits are made of high-speed steel HSS # 4241, the chamfer devices are made of steel # 45; which ensures a long service life
●Combined drill and countersunk head is ideal for drilling, chamfering, deburring and countersinking
●Due to the five chamfer blade, when drilling, the chips can be discharged faster, smooth countersink drilled at a time, the surface of the workpiece is perfectly embedded screw cap.
●Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material
●There are 10 sizes of 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 10 mm and you can choose the one you need
Description
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1 x Hex Key |
The chamfer devices are made of steel # 45 |
These drill bits are made of high speed steel HSS # 4241. |
Combined drill and countersunk head is ideal for drilling, chamfering, deburring and lowering. Due to the five chamfer blade, when drilling, the chips can be discharged faster, smooth countersinking drilled at a time, the surface of the workpiece is perfectly embedded screw cap. Suitable for drilling holes. on board Low hardness such as wood, plastic and other soft material. Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material.