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drill bit *1
Designed for drilling through reinforced steel bars, concrete, rock, cement walls, and brick walls.
High efficiency with quick penetration ("one-second wall penetration").
Upgraded quality with durable alloy material and four-blade design for stable positioning and fast drilling.
Double groove chip removal system ensures smooth drilling, fast debris ejection, reduced wear, and high efficiency.
Thickened brass coating for sharpness and wear resistance, effective against steel reinforcement.
Tested for durability with capability to drill 500 holes continuously.
Suitable for heavy-duty and light-duty electric hammer drills with square or round shanks.
Square shank with four grooves fits heavy-duty electric hammers; round shank with two grooves fits light-duty electric hammers.
Reliable after-sales service and quality assurance.
Reinforced concrete
Cement walls
Red brick walls
Marble
Granite

5-Piece Twist Drill Bit Set
CNÂ¥21.78
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Yi Tiao Fen Xin Zuan [6mm], 1 Piece
CNÂ¥11.90
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Tilted eccentric drill bit [10mm] 1 piece
CNÂ¥20.90
Ceramic tile walls
| Model (Shank*Length mm) | Drill Diameter (mm) | Working Length (mm) | Total Length (mm) | Compatible Machine Type |
|-------------------------|---------------------|---------------------|-------------------|-------------------------|
| Square/Round 6*110 | 6 | 45 | 110 | Electric Hammer |
| Square/Round 6*150 | 6 | 90 | 150 | Electric Hammer |
| Square/Round 6*200 | 6 | 140 | 200 | Electric Hammer |
| Square/Round 8*110 | 8 | 45 | 110 | Electric Hammer |
| Square/Round 8*150 | 8 | 90 | 150 | Electric Hammer |
| Square/Round 8*200 | 8 | 140 | 200 | Electric Hammer |
| Square/Round 10*150 | 10 | 90 | 150 | Electric Hammer |
| Square/Round 10*200 | 10 | 140 | 200 | Electric Hammer |
| Square/Round 12*150 | 12 | 90 | 150 | Electric Hammer |
| Square/Round 12*200 | 12 | 140 | 200 | Electric Hammer |
| Square/Round 14*150 | 14 | 90 | 150 | Electric Hammer |
| Square/Round 14*200 | 14 | 140 | 200 | Electric Hammer |
Ideal for drilling holes in walls, concrete, stone, and other hard materials.
Suitable for professional and industrial applications requiring durable and efficient drilling tools.
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10*160mm round handle, ten pieces
CNÂ¥83.70