Three edge alloy hole opener

Product description:

• The alloy blade head inlays 5° forward, allowing the blade head to cut metal easily and improve working efficiency
• Using high quality material, high temperature quenching forging, surface is plated titanium treatment, with high strength, strong wear resistance, accurate positioning, good toughness
• The alloy adopts MULTI-tooth blade combination design, from the inside, the middle, the outside three groups of blade combination, so that each tooth in the cutting process of easy force, so that the cutting smooth, fast
• Triangle drill shank, high compatibility
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