Heyi High Speed Steel 1/2 Equal Shank Drill HSS Fried Dough Twists Drill for Stainless Steel Special High Multifunction Hard Drilling
Heyi High Speed Steel 1/2 Equal Shank Drill HSS Fried Dough Twists Drill for Stainless Steel Special High Multifunction Hard Drilling
Heyi High Speed Steel 1/2 Equal Shank Drill HSS Fried Dough Twists Drill for Stainless Steel Special High Multifunction Hard Drilling

CLOUDROAD

Heyi High Speed Steel 1/2 Equal Shank Drill HSS Fried Dough Twists Drill for Stainless Steel Special High Multifunction Hard Drilling

$2.80

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The high-speed steel 1/2 equal shank drill is a straight shank twist drill with a unified standard of 12.7mm (1/2 inch) shank diameter. It is made of HSS M2 high-speed steel . It is suitable for drilling operations in materials such as stainless steel, mold steel and cast iron.
The drill bit diameter covers a range of 12-40mm, with typical specifications such as 13mm, 17mm, 25mm, etc. Non-standard requirements can be customized to 40mm. The surface is treated with oxynitriding or carbonitriding to form a black coating to improve wear resistance and high temperature resistance. With the 118° standard vertex angle design, it is recommended to use coolant when processing stainless steel to avoid overheating of the blade.