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38mm Diameter R28 Thread Threaded Button Bit With YK05 Tungsten Carbide Inserts For Top Hammer Rock Drilling

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38mm Diameter R28 Thread Threaded Button Bit With YK05 Tungsten Carbide Inserts For Top Hammer Rock Drilling

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Payment Terms : T/T

Face Style : Flat face, Uniface

Price : Please Contact Us

Skirt Option : Standard / Retrac

Supply Ability : 3000 PCS Per month

Button Profile : Spherical, parabolic, conical, ballistic

Model Number : Q7-38R28

Bit Diameter : 38 mm

Certification : ISO 9001 Certified

Gauge Buttons : 9 mm × 5 pcs

Packaging Details : Wooden Boxes , Cardboard Boxes

MOQ : 10PCS

Delivery Time : 7-15 Days

Carbide Grade : YK05

Available Diameters : 30-64 mm

Brand Name : HLDRILL

Thread Type : R28

Place of Origin : CHINA

Inner Buttons : 7 mm × 2 pcs

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38mm Diameter R28 Thread Threaded Button Bit With YK05 Tungsten Carbide Inserts For Top Hammer Rock Drilling

The 38R28 threaded button bit is engineered with YK05 grade tungsten carbide inserts for dependable performance in rock drilling. Its R28 thread configuration is optimized for lightweight top hammer rock drills, minimizing the tensile shock waves transferred along the drill string.

Improved fatigue resistance lowers wear rates, delivers a stable penetration speed, and reduces fuel consumption across your rock drilling operations.

Key Specifications
38R28 threaded button bit — technical data
Thread R28
Bit diameter 38 mm
Gauge buttons 9 mm × 5 pcs
Inner buttons 7 mm × 2 pcs
Carbide grade YK05 tungsten carbide inserts
Performance & Reliability

As a professional rock drilling tool manufacturer, we supply a full lineup of threaded button bits built for reliable structural strength and fast drilling rates. These bits keep boreholes straight while clearing rock cuttings smoothly, extending service life and helping operators reduce running costs.

Threaded Button Bit Range
Available Diameters
  • 30 mm
  • 32 mm
  • 33 mm
  • 35 mm
  • 38 mm
  • 41 mm
  • 43 mm
  • 45 mm
  • 48 mm
  • 51 mm
  • 57 mm
  • 64 mm
Configuration Options
  • Skirt options: Standard / Retrac
  • Face styles: Flat face, Uniface
  • Carbide button profiles: Spherical, parabolic (semi-ballistic), conical, ballistic
Applications & Compatibility

Common applications include drifting, tunneling, and natural stone quarrying. The bits are compatible with multiple shank types, as well as MM and MF hexagonal drill rods for light-duty top hammer drills.

For optimal service life, match the bit diameter, face style, and button profile to your specific rock formation and drilling method.

Product Tags:

38mm Diameter Threaded Button Bit

      

R28 Thread Button Bit

      

YK05 Tungsten Carbide Threaded Button Bit

      
China 38mm Diameter R28 Thread Threaded Button Bit With YK05 Tungsten Carbide Inserts For Top Hammer Rock Drilling factory

38mm Diameter R28 Thread Threaded Button Bit With YK05 Tungsten Carbide Inserts For Top Hammer Rock Drilling Images

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