Feature

●High abrasion resistance, high toughness, high strength flexibility
●Widely used for drilling a variety of materials, such as stainless steel tapping steel, wood, thin iron, aluminum alloy, vapor proof plate, PVC board, etc
●Available in 7 styles for your choice
●Cobalt coating reduces friction and operating temperature and extends life
●No need for center punch, not easy to break, can be used for deburring, chamfering, and opening


Description

Function:
1 Cobalt coating reduces friction and operating temperatures, and extends its life.
2. No center punch required, not easy to break, can be used for deburring, beveling, and opening
3 High abrasion resistance, high toughness, high strength flexibility
4 7 styles to choose from
5 Widely used for drilling a variety of materials such as stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture proof board, PVC board and so on.


Specifications:
Item Type: Step Drill Bit
Material: High-speed steel
Standard (Optional): 3-12, 4-12, 4-20, 4-22, 6-24, 4-32, 6-35
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Package List:
1 x Drill Bit.

Note:
1 You can use hand drill and table drill to open the stainless steel, hand drill to open the plate within 1 mm, and the table drill can open 2-3mm plates.
2. Stainless steel opening cannot be fast. Hundreds of rotations
3 It is best to use water spray or cutting fluid to cool during processing. This can effectively extend the life of the drill.