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DELIXI ELECTRIC Cross Impact Electric Hammer Drill Bit Concrete Wall Penetration Tungsten Steel Alloy Wall Drilling DLX-FSZ8 20×250
Specifications
Category impact drill
Applicable materials marble, Concrete Variants / Sale Attributes Style: 20*250mm
Size: Crossshaped [square handle] marble/red brick/concrete
Package Contents Product main body ×1
Product Description Product Specifications
High-quality drill bits designed for efficient and durable drilling in various materials including concrete, granite, marble, and brick walls.
Suitable for use with electric hammer drills; not recommended for reinforced concrete or walls with steel bars.
Available in both square shank and round shank types to ensure compatibility with different drill chucks.
Features advanced manufacturing with high hardness YG8C alloy tips, 40CR steel bodies, and high melting point pure copper welding for enhanced durability and wear resistance.
Surface treated with sandblasting for improved corrosion resistance and longer service life.
Additional details
Equipped with anti-slip standard shanks square shank with four grooves and round shank with two grooves and two slots. Each drill bit includes a unique anti-counterfeit code for authenticity verification via DELIXI official website or WeChat public account.
Drill tip High hardness YG8C alloy (original imported raw material)
Drill body National standard 40CR steel, high-frequency quenching for impact toughness
Welding Pure copper welding with higher melting point to prevent tooth loss
Surface Sandblasted coating for wear and corrosion resistance Fast penetration of concrete and hard materials without tooth loss or jamming
High wear resistance and toughness, resistant to rust and corrosion
Continuous drilling capability up to approximately 200 holes (actual depends on operation and material)
Compatible with both heavy and light electric hammer drills; not suitable for three-jaw chucks
Square shank (four-groove)
Round shank (two-groove, two-slot)
Additional details
Square Shank Drill Bits (Model DLX-FSZ) | Diameter (mm) | Total Length (mm) | Ideal Drilling Depth (mm) | Maximum Drilling Depth (mm) |
|---------------|-------------------|---------------------------|-----------------------------|
| 6 x 110 | 110 | 50 | 45 |
| 8 x 110 | 110 | 50 | 45 |
| 6 x 150 | 150 | 90 | 80 |
| 8 x 150 | 150 | 90 | 80 |
| 10 x 150 | 150 | 90 | 80 |
| 12 x 150 | 150 | 90 | 80 |
| 14 x 150 | 150 | 90 | 95 |
| 16 x 150 | 150 | 95 | 80 |
| 6 x 200 | 200 | 140 | 135 |
| 8 x 200 | 200 | 140 | 135 |
| 10 x 200 | 200 | 140 | 135 |
| 12 x 200 | 200 | 140 | 135 |
| 14 x 200 | 200 | 145 | 135 |
| 16 x 200 | 200 | 145 | 135 |
| 18 x 200 | 200 | 145 | 135 |
| 20 x 200 | 200 | 145 | 135 |
| 22 x 200 | 200 | 145 | 135 |
| 25 x 200 | 200 | 145 | 135 |
Additional details
Round Shank Drill Bits (Model DLX-YSZ) | Diameter (mm) | Total Length (mm) | Ideal Drilling Depth (mm) | Maximum Drilling Depth (mm) |
|---------------|-------------------|---------------------------|-----------------------------|
| 6 x 110 | 110 | 55 | 45 |
| 8 x 110 | 110 | 55 | 45 |
| 6 x 160 | 160 | 105 | 95 |
| 8 x 160 | 160 | 105 | 95 |
| 10 x 160 | 160 | 105 | 95 |
| 12 x 160 | 160 | 110 | 95 |
| 14 x 160 | 160 | 110 | 95 |
| 16 x 160 | 160 | 110 | 95 |
| 6 x 210 | 210 | 155 | 145 |
| 8 x 210 | 210 | 155 | 145 |
| 10 x 210 | 210 | 155 | 145 |
| 12 x 210 | 210 | 160 | 145 |
| 14 x 210 | 210 | 160 | 145 |
| 16 x 210 | 210 | 160 | 145 |
| 18 x 210 | 210 | 160 | 145 |
| 20 x 210 | 210 | 160 | 145 |
| 22 x 210 | 210 | 160 | 145 |
| 25 x 210 | 210 | 160 | 145 |
Square/Round Shank Drill Bits (Mixed Compatibility)
| Diameter (mm) | Total Length (mm) | Ideal Drilling Depth (mm) | Maximum Drilling Depth (mm) |
|---------------|-------------------|---------------------------|-----------------------------|
| 8 x 250 | 250 | 190 | 180 |
| 10 x 250 | 250 | 190 | 180 |
| 12 x 250 | 250 | 190 | 180 |
| 14 x 250 | 250 | 190 | 180 |
| 16 x 250 | 250 | 190 | 180 |
| 18 x 250 | 250 | 190 | 180 |
| 20 x 250 | 250 | 190 | 180 |
| 22 x 250 | 250 | 190 | 180 |
| 25 x 250 | 250 | 190 | 180 |
Square/Round Shank Drill Bits Extended Length
| Diameter (mm) | Total Length (mm) | Ideal Drilling Depth (mm) | Maximum Drilling Depth (mm) |
|---------------|-------------------|---------------------------|-----------------------------|
| 8 x 350 | 350 | 290 | 280 |
| 10 x 350 | 350 | 290 | 280 |
| 12 x 350 | 350 | 290 | 280 |
| 14 x 350 | 350 | 290 | 280 |
| 16 x 350 | 350 | 290 | 280 |
| 18 x 350 | 350 | 290 | 280 |
| 20 x 350 | 350 | 290 | 280 |
| 22 x 350 | 350 | 290 | 280 |
| 25 x 350 | 350 | 290 | 280 |
| 28 x 350 | 350 | 290 | 280 |
| 30 x 350 | 350 | 290 | 280 |
| 32 x 350 | 350 | 290 | 280 |
| 35 x 350 | 350 | 290 | 280 |
Square/Round Shank Drill Bits Long Length
| Diameter (mm) | Total Length (mm) | Ideal Drilling Depth (mm) | Maximum Drilling Depth (mm) |
|---------------|-------------------|---------------------------|-----------------------------|
| 10 x 500 | 500 | 440 | 430 |
| 12 x 500 | 500 | 440 | 430 |
| 14 x 500 | 500 | 440 | 430 |
| 16 x 500 | 500 | 440 | 430 |
| 18 x 500 | 500 | 440 | 430 |
| 20 x 500 | 500 | 440 | 430 |
| 22 x 500 | 500 | 440 | 430 |
| 25 x 500 | 500 | 440 | 430 |
| 28 x 500 | 500 | 440 | 430 |
| 30 x 500 | 500 | 440 | 430 |
| 32 x 500 | 500 | 440 | 430 |
| 35 x 500 | 500 | 440 | 430 |
High hardness alloy tips (YG8C) for fast and efficient drilling
Thickened drill head (2mm thickness) for enhanced durability compared to common 1mm thickness
Drill body made of high-quality 40CR steel with high-frequency quenching for toughness and wear resistance
Pure copper welding with higher melting point (1200°C) prevents tooth loss and improves durability compared to brass welding
Sandblasted surface treatment for improved coating adhesion, wear resistance, corrosion resistance, and rust prevention
Compatible with various electric hammer drills; check drill chuck type before purchase
Anti-slip shank design ensures stable clamping and compatibility
Authenticity guaranteed with unique anti-counterfeit code and official verification
Suitable for drilling marble, granite, concrete, and brick walls
Not suitable for reinforced concrete or steel-reinforced walls
Avoid use with three-jaw chucks
Drilling performance and drill bit lifespan depend on operation technique, drill bit size, and material hardness
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
Product appearance may vary; two styles shipped randomly
Logo and exclusive code engraved on each drill bit for identification
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