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1. Fully automated production equipment
Breaking down technical barriers to realize independent production of advanced production equipment Full tap does not fall to the ground
2.Material upgrade
Powder metallurgy high speed steel
Carbide fine and uniform hardness, high toughness, good edge sharpness and wear-resistant, improve the service life of the drill.
3. Smooth chip removal
Design of gun boring edge groove
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
US$40
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