Top Hammer Drilling T51 89mm 102mm 114mm 127mm Retrac Thread Button
Drill Bit
Product specifications: T51 Button Bit
| T51 Drill bits | Dia. | Tip size (mm) | Flushing hole No. | Weight | Part No. |
| mm | inch | Front | Gauge | Angle | Side | Front |
| | | | | | | | | |
| Normal thread |
| 89 | 3 1/2" | 13x4 | 13x8 | 40° | 2 | - | 4.9 | N89T51-413/813 |
| 89 | 3 1/2" | 13x5 | 13x8 | 35° | 2 | 1 | 4.9 | N89T51-513/813 |
| 89 | 3 1/2" | 11x3,11x2 | 13x6 | 35° | 4 | - | 4.9 | N89T51-511/613 |
| 89 | 3 1/2" | 11x4,11x1 | 13x8 | 35° | 4 | - | 4.9 | N89T51-511/813 |
| 89 | 3 1/2" | 13x4,13x1 | 13x8 | 35° | 4 | - | 4.9 | N89T51-513/813 |
| 102 | 4" | 14x4 | 14x8 | 40° | 2 | - | 5.8 | N102T51-414/814 |
| 102 | 4" | 13x6 | 16x8 | 35° | 2 | 1 | 5.8 | N102T51-613/816 |
| 102 | 4" | 13x3,13x2 | 14x6 | 35° | 3 | 1 | 5.8 | N102T51-513/614 |
| 102 | 4" | 13x4,13x1 | 14x8 | 35° | 4 | - | 5.8 | N102T51-513/814 |
| 102 | 4" | 13x4,13x2 | 13x8 | 35° | 4 | 1 | 5.8 | N102T51-613/813 |
| 115 | 4 1/2" | 14x6 | 14x8 | 35° | 2 | - | 6.8 | N115T51-614/814 |
| 115 | 4 1/2" | 14x6 | 16x8 | 35° | 2 | - | 6.8 | N115T51-614/816 |
| 115 | 4 1/2" | 13x4,13x2 | 14x8 | 35° | 4 | - | 6.8 | N115T51-613/814 |
| 115 | 4 1/2" | 13x4,13x3 | 14x8 | 35° | 4 | - | 6.8 | N115T51-713/814 |
| 115 | 4 1/2" | 14x4,14x2 | 16x8 | 35° | 4 | - | 6.8 | N115T51-614/816 |
| 127 | 5" | 14x8 | 16x8 | 35° | 2 | 1 | 7.5 | N127T51-814/816 |
| 127 | 5" | 16x4,13x2 | 16x8 | 35° | 4 | - | 7.5 | N127T51-616/816 |
| 127 | 5" | 14x4,14x3 | 14x8 | 35° | 4 | - | 7.5 | N127T51-714/814 |
| | | | | | | | |
| Retrac thread |
| 89 | 3 1/2" | 13x4 | 13X8 | 40° | 2 | - | 5.3 | R89T51-413/813 |
| 89 | 3 1/2" | 13x5 | 13x8 | 35° | 2 | 1 | 5.3 | R89T51-513/813 |
| 89 | 3 1/2" | 11x3,11x2 | 13x6 | 35° | 4 | - | 5.3 | R89T51-511/613 |
| 89 | 3 1/2" | 11x4,11x1 | 13x8 | 35° | 4 | - | 5.3 | R89T51-511/813 |
| 89 | 3 1/2" | 13x4,13x1 | 13x8 | 35° | 4 | - | 5.3 | R89T51-513/813 |
| 102 | 4" | 14x4 | 14x8 | 40° | 2 | - | 7.3 | R102T51-414/814 |
| 102 | 4" | 13x6 | 16x8 | 35° | 2 | 1 | 7.3 | R102T51-613/816 |
| 102 | 4" | 13x4,13x1 | 14x8 | 35° | 4 | - | 7.3 | R102T51-513/814 |
| 102 | 4" | 13x4,13x2 | 13x8 | 35° | 4 | 1 | 7.3 | R102T51-613/813 |
| 102 | 4" | 13x4,13x1 | 14x8 | 35° | 4 | 1 | 7.3 | R102T51-513/814 |
| 115 | 4 1/2" | 14x6 | 14x8 | 35° | 2 | - | 9.8 | R115T51-614/814 |
| 115 | 4 1/2" | 14x6 | 16x8 | 35° | 2 | - | 9.8 | R115T51-614/816 |
| 115 | 4 1/2" | 13x4,13x2 | 14x8 | 35° | 4 | - | 9.8 | R115T51-613/814 |
| 115 | 4 1/2" | 13x4,13x3 | 14x8 | 35° | 4 | - | 9.8 | R115T51-713/814 |
| 115 | 4 1/2" | 14x4,14x2 | 16x8 | 35° | 4 | - | 9.8 | R115T51-614/816 |
| 127 | 5" | 14x8 | 16x8 | 35° | 2 | 1 | 12 | R127T51-814/816 |
| 127 | 5" | 16x4,13x2 | 16x8 | 35° | 4 | - | 12 | R127T51-616/816 |
| 127 | 5" | 14x4,14x3 | 14x8 | 35° | 4 | - | 12 |
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58,
GT60,GT68
Button bit face design: Flat face, drop centre, Normal and Retrac
body.
Tungsten carbide (Buttons): Spherical, ballistic and Conical.
(Threaded R32, R38, T38, T45, T51, bit diameter: 43mm-152mm);
Main button bits diameters:
R32-45mm, R32-51mm, R32-64mm, R32-76mm, R32-89mm
T38-64mm, T38-76mm, T38-89, T38-102mm,
T45-76mm, T45-89mm, T45-102mm,
T51-89mm, T51-102mm, T51-127mm
ST58-89mm, ST58-102mm, ST58-115mm, ST58-127mm
GT60-102mm, GT60-115mm, GT60-127mm, GT60-152mm
ST68-115mm, ST68-127mm, ST68-140mm, ST68-152mm
We can also provide related products DTH hammers, ODEX system,
symmetrix systems, slide block drilling systems, etc and DTH
drilling pipes for various thread API REG, API IF, BECO, etc
Product Photos
About Us:
We are a leading manufacturer of rock drilling tools, like DTH
hammers and bits, DTH drill pipes, RC hammers and bits, tophammer
button bits, coupling, cross bits, drill rods located in Changsha,
Hunan, China.
We have rich experience in this field of DTH hammers and bits for
20 years.
Owing to high quality, professional serivce and competitive price,
we have gotten good reputation from our customers from all over the
world, such as France, Spain, Italy, South Africa, Iran, Malaysia,
Australia ad etc.
