Nickel plated m2 high speed steel hole opener with step

Keyword: Nickel plated m2 high speed steel hole opener with step

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Name: nickel plated m2 high speed steel hole opener with steps
Material: head material: 6542 connecting rod: 45#
Center Drill: 4341
product hardness: 65-66HRC
Working depth: s2mm
Surface treatment: titanium plating, nickel plating, natural color
Scope of application: professional stainless steel, round tube.
Applicable equipment: bench drill, pistol drill, hand drill.
Note:
1. Speed operation should not be too fast, too fast is easy to tooth red, heat dissipation is not good, 2. add coolant life longer.

 

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