Tapered Drill Bits Parameters

• Bit diameter: 26mm to 60mm;
• Tapered degree: 4°46’, 6°, 7°, 11°, 12°;
• Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
• Carbide type: Chisel type, Cross type, Button type.

Tapered Drill Bits Features

• Skirt is zinc coated to promote friction between drill bit and drill rod, thus to achieve better efficiency;
• Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;
• Reliability ensured by premium drill bit materials and premium alloy button;
• Different types designed for different drilling scenarios and rock conditions;
• Cost-effective, with competitive and reasonable price, our products offer 82%-92% lifespan of their famous branded counterparts.

Advantage of Tapered Drill Bits 

1.  Material: 100% virgin raw material with submicron grain size;
   2.  Grade: Various grades for choice;
   3.  Advanced production equipments and testing equipments
   4.  Precision Ground and polished;
   5.  High wear resistance,high hardness and impact toughness;

Tapered Drill Bits Applications

Taper drill bits are connected to taper drill rods for drilling duties, suitable for tunneling, construction, mining, quarrying, etc.