Multipurpose Triangle Alloy Twist Drill Bit For Gold 7PCS

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Description:

HIGH QUALITY: made of high-quality alloys, high hardness, wear-resistant, durable, rust resistant, and can easily puncture various materials.
FEATURES - The openings are neat, smooth, and of smashed edges will not cause tremors easy positioning can increased opening speed; U type slot design with fast drilling dust remove, 3-flats shank allows drill be held tightly and stably in power drill.
DRILL BIT SIZE- 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), provide you with different needs. Applicable Equipment: hand drill, electric drill, bench drill.
Upgrade 2-in-1: Combine chip and drill, the pointed design is more convenient to use, saving time and be able to punch holes quickly.
WIDELY USAGE - perfect for drilling in all kinds of materials inlcuding ceramic tile, concrete, tile, brick, wood, , glass, masonry, and more. Note: When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.

Specification:

Material: Hard Alloy
Blade Diameter: 6-12mm
Optional :
Red 5PCS: (6/6/8/10/12) mm
Red 7PCS: (6/6/6/6/8/10/12) mm
Black 5PCS:(6/6/8/10/12) mm
Black 7PCS:(6/6/6/6/8/10/12) mm
2Black 7PCS:(3/4/5/6/8/10/12) mm
Gold 5PCS:(6/6/8/10/12) mm
Gold 7PCS: (6/6/6/6/8/10/12) mm

Package Includes:

1 Set

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