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Changshu Net Precision Tools Co., Ltd.

All Products >> drill bit

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step twist drill
step twist drill
Specification: step twist
Detail: Size: &©|934;4*45*90L*&©|966;7 Flute: 2 Edge: 2 Twist angle: 30 degree Material: Usually made from high speed steel, recently (Co) high speed steel and Ti coated is gradually increased in use. Purpose: To cut fro...
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