



Product main body ×1
Product Specifications
Square shank (four-groove)
Round shank (two-groove, two-slot)
Round shank suitable for imported round-shank hammer drills and domestic light hammer drills
Square shank suitable for domestic four-square-shank heavy hammer drills
Not recommended for three-jaw drills
Drill body made of national standard 40CR steel, high-frequency quenched for high impact toughness and wear resistance
Drill head made of high-hardness YG8C imported virgin alloy, superior to recycled alloy in hardness, wear resistance, and lifespan
Drill head thickness up to 2mm, thickened and wear-resistant
Copper welding at drill head and body junction using high melting point pure purple copper (melting point approx. 1200°C), preventing tooth loss and deformation under high temperature, superior to common brass welding
Surface treated with sandblasting for corrosion resistance and extended coating durability

5-Piece Twist Drill Bit Set
CNÂ¥21.78
![DELIXI ELECTRIC Multi-Purpose Eccentric Drill Bit, Concrete Triangular Drill, Super Hard Alloy Angled Head, Tile Drill Bit [6mm], 1 Piece](https://img30.360buyimg.com/sku/jfs/t1/310140/34/20028/36706/688494d5F7c7598a3/7103ab46caabe7b0.png)
Yi Tiao Fen Xin Zuan [6mm], 1 Piece
CNÂ¥11.90
![DELIXI ELECTRIC Multifunctional Eccentric Concrete Triangle Drill Bit Super Hard Alloy Angled Tile Drill Bit [10mm] 1 Piece](https://img30.360buyimg.com/sku/jfs/t1/169807/6/48836/80518/66f64e9dF71cb92aa/4d2a1386754d530c.jpg)
Tilted eccentric drill bit [10mm] 1 piece
CNÂ¥20.90
Various combinations of diameter and length available with both square and round shanks
High hardness and wear resistance for efficient drilling in concrete, granite, red brick, marble, and other hard materials
Smooth drilling without jamming or breaking
Continuous drilling capacity up to 200 holes (dependent on operation and material)
High compatibility and stable clamping with standard hammer drills
DELIXI ELECTRIC is a top 500 Chinese private enterprise with guaranteed product quality
Each drill bit includes a unique anti-counterfeit code for authenticity verification via official website or WeChat public account
Logo engraving and coating scratch-off area for anti-counterfeit verification
Standardized shank design ensures stable grip and broad compatibility
High durability due to premium materials and advanced manufacturing processes
Suitable for professional and industrial use requiring high efficiency and reliability
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10*160mm round handle, ten pieces
CNÂ¥83.70