High-Quality 2 31/4" T45 Thread Epriroc style Retrac button bits Factory, Factories

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High-Quality 2 31/4" T45 Thread Epriroc style Retrac button bits Factory, Factories

Higher penetration rate;

Improved reliability;

Longer service life.

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Product Description

2 3/4" (70mm) T45 Thread Rock Drilling tools Button bits (drill bits) are engineered for Underground rock drilling and long hole drilling applications.

Product Overview

We provide a comprehensive range of drilling solutions, including:

✓ R32 Drill Bits

✓ SR32 Button Bits

✓ T38 Rock Drill Bits

✓ T45 Button Bits

✓ T51 Button Bits

✓ GT60 Button Bits

Key Advantages

1 Material: Drill bit body made of high-grade 50R61 steel.

2 Carbide Quality: Premium head carbide YK05 or T6.

3 Diameter Range: 57mm - 115mm.

4 Supply Ability: Productivity up to 50,000pcs per month.

5 Performance: Higher penetration rate and improved reliability.

6 Durability: Engineered for significantly longer service life.

Technical Specifications

Carbide Dimension				Dimensions D		Flushing Hole
Gauge		Front		Dimensions D		Flushing Hole
[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
6	12.7	3	12.7	76	3"	3	1
6	14	4	14	89	3 1/2"	3	0
8	12.7	5	10	76	3"	4	0
8	14	6	12.7	102	4"	4	2
8	11	6	11	76	3"	2	0
8	12.7	6	11	82	3 1/4"	2	1
8	12.7	6	12.7	89	3 1/2"	2	0
8	14	6	14	102	4"	2	0
8	16	6	14	115	4 1/2"	2	0
8	16	8	14	127	5"	2	0
8	16	8	16	152	6"	2	0
9	11	8	10	89	3 1/2"	3	1
9	12.7	8	12.7	102	4"	3	1
9	14	9	12.7	115	4 1/2"	3	1
9	14	9	14	127	5"	3	1
Drop Center Button bit
6	14	3/2	12.7 / 9.5	89	3 1/2"	3	0
8	11	4/1	10/10	76	3"	4	0
8	12.7	4/1	12.7 / 12.7	89	3 1/2"	4	0
8	11	4/2	11 / 9.5	83	3 1/4"	4	1
8	11	4/2	11 / 9.5	89	3 1/2"	4	1
8	14	4/3	12.7 / 11	102	4"	4	0
8	14	4/3	14/11	115	4 1/2"	4	0
Flat Face drill bits / Retrac button bits
6	12.7	3	12.7	76	3"	3	1
6	14	4	14	89	3 1/2"	3	0
8	12.7	5	10	76	3"	4	0
8	12.7	5	12.7	89	3 1/2"	4	2
8	11	6	11	76	3"	2	0
8	12.7	6	11	82	3 1/4"	2	0
8	12.7	6	12.7	89	3 1/2"	2	0
8	14	6	14	102	4"	2	1
8	16	6	14	115	4 1/2"	2	0
8	16	8	14	127	5"	2	0
Drop Center Rock drill bits / Retrac Button bits
6	11	3/1	11 / 9.5	70	2 3/4"	3	0
6	12.7	3/1	11 / 9.5	76	3"	3	0
6	14	3/2	12.7 / 9.5	89	3 1/2"	3	0
8	11	4/1	10/10	76	3"	4	0
8	12.7	4/1	12.7 / 12.7	89	3 1/2"	4	0
8	11	4/2	11 / 9.5	89	3 1/2"	4	1
8	14	4/3	12.7 / 11	102	4"	4	1
8	14	4/3	14 / 12.7	115	4 1/2"	4	0
8	16	4/3	16 / 12.7	127	5"	4	2

Frequently Asked Questions

What materials are used in the construction of these drill bits?

The drill bit body is manufactured from high-durability 50R61 steel, while the head features premium YK05 or T6 carbide for maximum impact resistance.

Which thread types and sizes do you provide?

We produce a wide range of thread types including R32, SR32, T38, T45, T51, and GT60, with diameters ranging from 57mm to 115mm.

What are the primary applications for these button bits?

These tools are specifically designed for efficient underground rock drilling and long hole drilling operations.

What is your monthly production capacity?

We maintain a high productivity rate of approximately 50,000 pieces per month to ensure stable supply for large-scale projects.

How are the products packaged for delivery?

To ensure safety during transit, the products are securely packaged in either professional wooden cases or reinforced cartons.

What performance benefits can I expect?

Our T45 thread rock drilling tools offer higher penetration rates, significantly improved reliability, and a longer overall service life compared to standard bits.