China 2 31/4" T45 Thread Epriroc style Retrac button bits Factory, Quotes

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China 2 31/4" T45 Thread Epriroc style Retrac button bits Factory, Quotes

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 designed for professional underground rock drilling and long hole drilling operations. We offer a comprehensive range of high-performance drill bits including R32, SR32, T38, T45, T51, and GT60 series to meet various geological demands.

Key Advantages

⚙️ Premium Material

The drill bit body is forged from high-grade 50R61 steel for maximum durability.

💎 Superior Carbide

Equipped with YK05 or T6 head carbide tips for exceptional hardness and wear resistance.

⚡ High Performance

Engineered for higher penetration rates and improved reliability in tough conditions.

📈 Mass Productivity

Consistent supply with a production capacity of 50,000pcs per month.

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
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
8	14	4/3	14/12.7	115	4 1/2"	4	0

Frequently Asked Questions

1. What materials are used to manufacture the T45 button bits?

The drill bit body is constructed using high-quality 50R61 steel, and the cutting heads feature YK05 or T6 grade carbide for maximum impact resistance.

2. What are the available diameter ranges for these rock drilling tools?

We provide a wide range of diameters starting from 57mm up to 115mm, including the standard 2 3/4" (70mm) specifications.

3. What types of drill bit faces do you offer?

Our product line includes Drop Center button bits, Flat Face drill bits, and Retrac button bits to suit different rock formations and drilling requirements.

4. How are the drill bits packaged for international shipping?

To ensure safe delivery, the bits are packaged in sturdy wooden cases or reinforced cartons, depending on the order volume and customer preference.

5. What is the production capacity for bulk orders?

We maintain a high productivity level with a capacity of approximately 50,000 pieces per month to ensure timely fulfillment of large-scale industrial orders.

6. For which drilling applications are these T45 bits most suitable?

These bits are specifically designed for underground rock drilling and long hole drilling, providing longer service life and higher penetration rates.