T45 89mm Thread Button Bit

T45 Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks....

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GMD'threaded drill bits include general,retrac and reaming three series,with stronger button-fixing ability,longer service life,better wear-resistance and impact-resistance performance,widely used in tunneling,underground mining,open pit mining,anchoring and other large-scale construction projects.

Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.

Our products are suitable for powerful percussive drills and top hammers with high speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco 352 rocket boomer jumbo, AtlasCopcoD7roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660. 

Continuous field testing of our products have been arranged to our own or contracted drilling companies, to meet our stringent quality supervision requirements. In addition, GMD' bits are packed in cases with protective cushion, thus abating cracks during transportation.

The combination of good design, excellent manufacturing techniques, exact heat treatments, high quality steels and special grade carbides, GMD yield optimum drill bits capable of performing well in all kind of drilling conditions from soft to the toughest.


Specification of T45 Drill Bits , kindly check below:

Product Name

T45 89mm Thread Button Bit


Alloy steel and tungsten carbide 


depend on customers' requirement





Button bit shape

Ballistic and Spherical,Dome

Face shape

Drop-center shape and Flat shape


Rock quarry, granite, limestone, basalt

Product Advantage

1, Adopts superior raw matrial to produce;

2, Have rich manufacture experience and strict quality control system;

3. Long service life

4. We supply standard size thread button bits and retract button bits.

5. We also supply customized button bits.

 6, Independently researched and developed alloys with high strength and good abrasion resistance

T45 89mm Thread Button Bit 

T45 Button Bit

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T45-89mm Thread Button Bit


T45 Retrac Type Button Bit

T45 Button Bit RetracRetrac T45 Button Bit 89mmPacking


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Q: What's your delivery time?

A: Commonly produce need 20 days to produce. Within 3 days if in stock.

Q: What methods of payment are accepted?

A: We agree T/T, L/C, West Union

Q: What about the shipment?

A: Based on order quantity. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your chinese agent.

Q: How to control the quality?

A: We should be checking & testing everyone button bit before shipment.

Q: Do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality.

Q: Can we select the button bit color?

A: Yes, we have golden, silvery, black and blue for your choose.

Q: Can we change to our mark on the button bit?

A: Yes, we can casting your company mark on the button bit. (Except sample order).

Q: Do you have after-sale service and warranty service?

A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.

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