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Tungsten carbide rock drill bit engineered for mining and tunneling applications in medium-hard to hard abrasive rock formations.
Product Overview
The Thread Button Bit is engineered for superior performance in medium-hard to hard abrasive rock formations with compressive strengths ranging from 200 MPa to 260 MPa. Featuring spherical tungsten carbide inserts, this bit delivers excellent resistance to carbide fracture, ensuring longer service life and reduced downtime in demanding drilling environments.
Key Applications
Underground mining and surface mining
Long hole drilling
Bench mining and production mining
Rock types: Granite, Basalt, Limestone, and other hard formations
Performance Features
Feature
Benefit
Spherical tungsten carbide inserts
Excellent resistance to insert fracture under high impact
High-grade carbide material
Maintains cutting efficiency in hard, abrasive rock
Optimized for 200-260 MPa rock
Matches compressive strength of medium-hard to hard formations
High wear resistance
Longer bit life, fewer bit changes, lower operating cost
Technical Specifications
T51 Retrac Button Bit - 89mm (3.5 inch) Diameter
Button Type
Diameter
Buttons and Size (mm)
Angle
Flushing Hole
Weight (kg)
Part Number
Spherical
89mm (3.5")
4x13
40°
2 Front
5.3
4148300916
89mm (3.5")
5x13
35°
2 Front, 1 Side
5.3
4148300917
89mm (3.5")
3x11, 2x11
35°
4 Front
5.3
4148300918
89mm (3.5")
4x11, 1x11
35°
4 Front
5.3
4148300919
89mm (3.5")
4x13, 1x13
35°
4 Front
5.3
4148300920
Ballistic
89mm (3.5")
5x13
35°
2 Front, 1 Side
5.3
4148300934
89mm (3.5")
3x11, 2x11
35°
4 Front
5.3
4148300935
89mm (3.5")
4x11, 1x11
35°
4 Front
5.3
4148300936
89mm (3.5")
4x13, 1x13
35°
4 Front
5.3
4148300937
Competitive Advantages
High-grade tungsten carbide inserts - Engineered for maximum hardness and toughness
Premium steel bit body - Manufactured from high-grade steel for durability
Advanced heat treatment - Improves fatigue resistance and structural integrity
Production Process
Raw material - Selection of high-grade steel and tungsten carbide
Making bit body - Precision forming of the main structure
Making bit face - Insert placement and face geometry shaping
Heat treatment - For optimal hardness and toughness balance
Packaging - Secure packing ready for shipment
Why Choose This Thread Button Bit?
Designed specifically for hard rock conditions (200-260 MPa)
Reduces carbide fracture risks common in impact drilling
Ideal for both surface and underground mining operations
Consistent quality through controlled production process
Backed by advanced CNC and heat treatment technology
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
