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Carbide four-edged crossdrill, sharping and long-lasting, fast drilling, versatile and accurate hole punching. YG8 alloy drilling edges, high toughness, abrasion resistance, high density hardness, and nice adaptability. Widened spiral texture, smooth chip removal, faster chip removal when operating and using. Hexagonal drill shank with high compatibility, suitable for lithium drill, electric drill, table drill and other power tools on the market. 

Features:
Carbide four-edged crossdrill, sharping and long-lasting, fast drilling, versatile and accurate hole punching.
YG8 alloy drilling edges, high toughness, abrasion resistance, high density hardness, and nice adaptability.
Widened spiral texture, smooth chip removal, faster chip removal when operating and using, and reduced damping feeling of the drill.
Hexagonal drill shank with high compatibility, suitable for lithium drill, electric drill, table drill and other power tools on the market, ready to install and use, easy to operate.
The drill bit is suitable for a variety of materials, such as foam brick, alloy, wood type, bubble brick, concrete, plastics, red brickd etc.
Multiple uses, for avoiding the burning of the drill bit, when drilling on tile, glass tile, marble, glass and other materials, it needs to be operated with water all the time.

Specifications:
Name: Drill Bit Set
Material: carbide alloy
5mm:
Drill diameter: 5mm
Drilling depth: 45mm
Shank diameter: 6.35mm
Total length: 100mm
Weight (piece): 16g
6mm:
Drill diameter: 6mm
Drilling depth: 65mm
Shank diameter: 6.35mm
Total length: 100mm
Weight (piece): 18g
8mm:
Drill diameter: 8mm
Drilling depth: 75mm
Shank diameter: 6.35mm
Total length: 105mm
Weight (piece): 24g
10mm:
Drill diameter: 10mm
Drilling depth: 85mm
Shank diameter: 6.35mm
Total length: 115mm
Weight (piece): 31g
Package size: 135 * 60 * 22mm / 5.31 * 2.36 * 0.87in
Package weight: 230g / 8.11ounce
Packing List:
2 * 5mm Drill Bit
4 * 6mm Drill Bit
2 * 8mm Drill Bit
1 * 10mm Drill Bit
1 * 12mm Drill Bit