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S$5.67
S$7.56-25%
4pcs Carbide Drill Bits Are Highly Efficient And Wear-Resistant, Four-Edged Serrated Eccentric Drill Bits for Dry Drilling of Ceramic Tiles, Ceramics, Glass, Marble, Concrete And Stainless Steel Alloy Drill Bits
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From S$1.49
Est. delivery by Apr 19 - Apr 22
Laketop
1,740 items
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Responds within 24 hours
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Product description
Product Information
Name: New Upgraded Four Blade Serrated Blade
Usage scenario: High altitude ceiling, drilling operations
Recommended RPM: 800-1000 RPM, low RPM
Summary: When using a drill bit at low speed, first lightly press the positioning of the drilling position, slowly accelerate the drilling speed of the electric drill to start drilling, and when drilling to 1/2 of the object, lift the electric drill and continue to drill deeper, which is beneficial for heat dissipation and chip removal, strengthens the durability of the cutting head, and can greatly improve the service life
At the same time, when water can be added, the drill bit has a better service life due to water cooling protection
Working principle: When the alloy eccentric tip of the drill bit begins to rotate, it is easy to locate the drilling object. The main and auxiliary cutting edges begin to work, forming a unique cutting trajectory
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