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Product Specifications
High hardness alloy drill bits made from imported YG8C raw alloy material for superior wear resistance and durability compared to recycled alloys.
Drill bit thickness up to 2mm, thicker than common 1mm drill bits, enhancing durability and lifespan.
Drill body made of national standard 40CR steel with high-frequency quenching forging process for excellent impact toughness, wear resistance, and reduced breakage.
Surface treated with sandblasting technology to improve coating adhesion, enhance wear and corrosion resistance, and prevent rust.
Copper brazing welding for drill heads to prevent tooth loss and improve durability.
Designed for fast and efficient drilling through concrete, granite, marble, brick walls, and other materials (not suitable for reinforced concrete or walls with steel bars).
Anti-slip standard shank design compatible with various drills.
Each drill bit includes a unique anti-counterfeit code for authenticity verification via DELIXI official website or WeChat public account.
Square shank
Round shank
Square/Round shank (combined)

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
6*110mm, 6*150mm, 6*200mm, 6*210mm, 6*160mm
8*110mm, 8*150mm, 8*200mm, 8*210mm, 8*160mm
10*150mm, 10*200mm, 10*210mm, 10*160mm
12*150mm, 12*200mm, 12*210mm, 12*160mm
14*150mm, 14*200mm, 14*210mm, 14*160mm
16*150mm, 16*200mm, 16*210mm, 16*160mm
18*200mm, 18*210mm, 18*160mm
20*200mm, 20*210mm, 20*160mm
22*200mm, 22*210mm, 22*160mm
25*200mm, 25*210mm, 25*160mm
28*350mm, 30*350mm, 32*350mm, 35*350mm
8*250mm, 10*250mm, 12*250mm, 14*250mm, 16*250mm, 18*250mm, 20*250mm, 22*250mm, 25*250mm
8*350mm, 10*350mm, 12*350mm, 14*350mm, 16*350mm, 18*350mm, 20*350mm, 22*350mm, 25*350mm
10*500mm, 12*500mm, 14*500mm, 16*500mm, 18*500mm, 20*500mm, 22*500mm, 25*500mm, 28*500mm, 30*500mm, 32*500mm, 35*500mm
Hole Depths and Ideal Drilling Lengths vary by model, typically ranging from 45mm to 280mm for ideal drilling length and 50mm to 440mm for hole depth.
Capable of drilling over 200 holes continuously depending on operation and material.
Fast penetration of concrete, granite, marble, and brick.
Resistant to tooth loss, breakage, rust, and wear.
Suitable for various drilling tasks except reinforced concrete.
Product appearance may vary; two styles shipped randomly.
Authenticity guaranteed with anti-counterfeit code and official verification.
DELIXI ELECTRIC is a top 500 private enterprise in China, ensuring product quality and reliability.
Drill bits are precision manufactured for professional, efficient, and durable use.
Please refer to actual product received for exact specifications.
Not suitable for drilling reinforced concrete or steel-reinforced walls.
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10*160mm round handle, ten pieces
CNÂ¥83.70