





Product Information
Product Name: Countersink Drill Bits
Material: HSS High Speed Steel
Size: 2.8mm 3.0mm 3.2mm 3.5mm 4.0mm 4.0mm
Shank Diameter: 8mm 10mm
Features
The product is made of HSS high speed steel, high hardness, wear-resistant, sharp teeth, good corrosion and oxidation resistance, heat-resistant, high strength and good toughness. Thread standard, less missing teeth, not easy to slip, uniform force.
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