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Jintian Square Shank Four-Flute Rotary Hammer Drill Bit for Concrete Rebar Anchoring 12x150mm Slotted [Square Shank]
•Drill bit

Jintian Square Shank Four-Flute Rotary Hammer Drill Bit for Concrete Rebar Anchoring 12x150mm Slotted [Square Shank]

CNÂ¥8.30
SKU: 100362618726
Status:Out of Stock
ID: 100362618744
Weight: 80.00 g
Dims:152x18x16 mm

Specifications

Applicable materials
Concrete, brick wall
Category
impact drill

Variants / Sale Attributes

Style: 12*150mm Slotted [Square Shank]

Package Contents

1 drill bit

Product Description

Overview

Brand
Jintian, Coldtol
Model
Top500ll, Top500/I, Top001
Drill Type
Impact hammer drill bits

Material

ItemDetail
Drill tipOriginal YG8C alloy (high hardness, high wear resistance)
Drill bodyNational standard 40CR steel (high frequency quenching, durable, wear-resistant)
Welding materialHigh melting point purple copper (better than common brass welding, prevents tooth loss)

Additional details

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Drill Tip Thickness
2 mm (thicker than market average 1 mm, more durable)
Surface Treatment
Sandblasting process for enhanced coating adhesion, wear resistance, corrosion resistance, and rust prevention

Compatibility

  • Standard shank types: Round shank (two grooves), Square shank (four grooves)
  • Suitable for heavy and light electric hammer drills
  • Not recommended for three-jaw drills

Performance

  • Fast penetration of concrete, granite, marble, red brick walls
  • Resistant to tooth loss, breakage, rust, and corrosion
  • Continuous drilling capacity: up to 200 holes (dependent on operation and material)

Usage Notes

  • Not suitable for reinforced concrete or walls with steel bars

Advantages

  • High hardness alloy tip ensures long service life
  • Purple copper welding with melting point ~1200°C prevents tooth loss under high temperature
  • 40CR steel body with high-frequency quenching resists breakage and wear
  • Sandblasted surface extends coating durability and prevents rust
  • Compatible with various electric hammer drills for efficient drilling across multiple materials

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