Five pits, one word and two grooves

Keyword: Five pits, one word and two grooves

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Product Description
Name: five pit word double slot
Drill body:40CR
Alloy: YG8C/9C Carbide Cutter Head
product hardness:50-53HRC
Surface treatment: Sandblasting
Scope of application: concrete (perforated and explosive film, rebar planting) marble (perforated and quarrying), brick wall, stone
Applicable equipment: electric hammer
Product characteristics: 40cR drill body copper welding high temperature heat treatment process. The drill body is designed with semi-groove to smooth the brow row during drilling, reduce the friction of the drill body, and greatly improve the life of the drill bit.
Material PropertiesGood comprehensive mechanical properties, low temperature impact toughness and low notch sensitivity, good hardenability, good cutting performance, higher melting point of copper.

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