T51 Thread Drill Bit

T51 Thread Drill Bit is widely used in Bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer Drilling.
In the recent 20 years, Thread Button Bit series development very fast, it is accompanied by hydraulic rock drill hole quickly save industry to improve the drilling speed and drilling auxiliary working hours....

Send InquiryChat Now

GMD offers a complete selection of Top Hammer Drilling Tools to meet all of your drilling needs, which are suitable for any type of drilling application in mining, tunneling, construction and quarry work, and thread adapters in a full range of standard diameters.  

GMD rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. This, together with optimal hole quality, great reliability and long service life, gives the best possible blasting results, outstanding drill-steel economy and low total cost.

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.


A comprehensive range of various T51 Thread Drill Bit shown as below:

Thread type: T51

Head diameters: 82mm ~ 140mm

Face designs; Flat Face, Drop Center, Uni-face;

Carbide shape: Dome, Ballistic , Semi-Ballistic,

Skirt designs: Standard, retrac, straight retrac

T51 Normal Skirt Uniface Thread Button Bit

 T51 Normal Skirt Uniface Thread Button Bit

T51 Normal Skirt Uniface Thread Button Bit -1


Button Shape and Application

Button Shape



Domed/Round Button: Domed/Round buttons are suitable for very abrasive and very hard formations.


Parabolic /Semi-Ballistic Button: Parabolic buttons are usually used as gauge buttons and front buttons, suitable for medium abrasive and hard formations.


All tooth bit series passivation cycle is long, the wear life of about with the blade diameter titles bit wear life of 5-6 times, can save auxiliary working hours, reduce the physical labor of workers and accelerating the pace of work. Therefore different diameter of the taper connection and thread connection ball tooth bit is widely used in all kinds of hard and brittle rock with the drilling rig. Sweden's engineering and technical personnel that ball tooth bit and hydraulic drilling jumbo combination, is the best matching of modern drilling technology.


How to choose Right T51 Drill Bits ?

Button Bit Face & Skirt Design  

 Face & Skirt Design



Flat Face:For Drilling in medium to hard and abrasive rock


Drop Center Face:For drilling in medium hard, maximum hole deviation control


Normal Skirt:For drilling in very hard and very abrasive rock formation which is compact


Retrac Skirt:drilling in loose and broken or fissured rock where it is   difficult to retrac the drilling string due to the hole collapse



T51 Production


Packing Picture

T51 Packing


Key Words:

T51 Threaded bit,

thread button bit,

T51 button bit

T51 Button Bit for for Bench Drilling, Long Hole Drilling Underground

Thread Button Bit for for Bench Drilling, Long Hole Drilling Underground

Button Bit for for Bench Drilling, Long Hole Drilling Underground

Button Drill Bit for for Bench Drilling, Long Hole Drilling Underground

Hot Tags: T51 thread drill bit, suppliers, manufacturers, factory, price
Related Products