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Product Details：
Product Name: T38 T45 T51 89mm Retract Drill Bit
Place of Origin: China
Brand Name: LITIAN
Certification: ISO9001:2015
Category: Button Bit
In rock drilling construction, retract drill button bit is mainly used in rocks that are relatively fragmented and incomplete, and have changes in rock formations. The appearance of retract bit is mainly manifested in that the skirt body is designed with multiple grooves and tails, which is convenient for retracting the retract drill bit in the event of an accident. Same as standard button drill bits, retract drill bit can be matched with different threads, head designs and carbide shapes according to the actual construction situation. Common retract drill bits are R32 retract drill bit, T38 retract drill bit, T45 retract drill bit, t51 retract drill bit....
As a retract drill bit supplier, we can provide various types of retract drill bits for choosing.
Thread Type: R25, R28, R32, R38, T38, T45, T51, GT60, ST58 , ST68...
Diameter: 41mm to 152mm
Face Shape: Flat face, Drop center
Button Shape: Ballistic, Spherical, Composite buttons
Our most popular retract bit:
Product | T45-89mm Retract drill bit |
Diameter | [mm]89MM [in] 3 1/2" |
Buttons | Gauge: 8×13mm, Front: 5×12mm |
Flushing Hole Qty | Gauge: 2, Front: 2 |
Net Weight | ～5.2kg |
Button Shape | Ballistic, Spherical, Composite buttons |
Face Design | Flat face |
Application | Facedrilling, Bolting, Drifting, Tunnelling |
Model No. | T45-8913YFP |
Similar Parts No. | 7515-4889-R48 7515-4889-S48 |
| Appearance | Diameter | Buttons | Flushing Hole | Weight | Model No. | ||||
| [mm] | [in] | Gauge | Front | Concave | Side | Front | [Kg] | ||
 | 76 | 3" | 8×12 | 4×11 | 2 | 2 | 2.2 | T45-7612YFP | |
| 89 | 3 1/2" | 8×13 | 5×12 | 2 | 2 | 5.2 | T45-8913YFP | ||
| 102 | 4" | 9×12 | 6×12 | - | 3 | 6.5 | T45-10215YFP | ||
| 115 | 4 1/2" | 9×14 | 7×13 | - | 3 | 10 | T45-11516YFP | ||
| 115 | 4 1/2" | 9×14 | 6×13 | - | 3 | 10 | T45-11515YFP | ||
 | 76 | 3" | 8×11 | 4×11 | 1×11 | - | 4 | 3.2 | T45-7613YFA |
| 89 | 3 1/2" | 8×12 | 4×12 | 2×10 | 1 | 4 | 5.4 | T45-8914YFA | |
| 102 | 4" | 8×12 | 4×12 | 3×12 | - | 4 | 7.8 | T45-10215YFA | |
| 102 | 4" | 8×13 | 4×12 | 4×12 | - | 4 | 7.8 | T45-10216YFA | |
| 115 | 4 1/2" | 8×14 | 4×13 | 3×12 | - | 4 | 7.8 | T45-11515YFA | |
 | 76 | 3" | 8×13 | 4×11 | 1×11 | 1 | 4 | 3.5 | T45-7613YLA |
| 89 | 3 1/2" | 8×12 | 4×12 | 1×12 | 1 | 4 | 4.7 | T45-8913YLA | |
| Appearance | Diameter | Buttons | Flushing Hole | Weight | Model No. | ||||
| [mm] | [in] | Gauge | Front | Concave | Side | Front | [Kg] | ||
 | 89 | 3 1/2" | 8×12 | 4×12 | 2×10 | 1 | 4 | 5.3 | T51-8914YLA |
| 89 | 3 1/2" | 8×12 | 4×11 | 1×11 | 1 | 4 | 5.3 | T51-8913YFA | |
 | 89 | 3 1/2" | 8×13 | 5×12 | 2 | 2 | 4.6 | T51-8913YFP | |
| 102 | 4" | 8×14 | 7×12 | 1 | 2 | 7.1 | T51-10215YFP | ||
| 102 | 4" | 9×12 | 6×12 | - | 3 | 7.1 | T51-10215YFP | ||
| 115 | 4 1/2" | 9×14 | 7×13 | - | 3 | 10 | T51-11516YFP | ||
| 115 | 4 1/2" | 9×14 | 6×13 | - | 3 | 10 | T51-11515YFP | ||
| 127 | 5" | 9×14 | 7×13 | - | 3 | 13 | T51-12716YFP | ||
 | 89 | 3 1/2" | 8×12 | 4×12 | 2×10 | 1 | 4 | 5.4 | T51-8914YFA |
| 102 | 4" | 8×12 | 4×12 | 3×12 | - | 4 | 7.8 | T51-10215YFA | |
| 102 | 4" | 8×13 | 4×12 | 4×12 | - | 4 | 7.8 | T51-10216YFA | |
| 115 | 4 1/2" | 8×14 | 4×13 | 3×12 | - | 4 | 7.8 | T51-11515YFA | |
| 115 | 4 1/2" | 8×14 | 4×14 | 3×12 | - | 4 | 7.8 | T51-11515YFA | |
| 115 | 4 1/2" | 8×14 | 4×14 | 4×12 | - | 4 | 10 | T51-11516YFA | |
 | 89 | 3 1/2" | 9×11 | 3×11 | 2×10 | 1 | 3 | 4.8 | T51-8914YFA |
| 102 | 4" | 9×12 | 3×12 | 3×11 | 1 | 3 | 6.9 | T51-10215YFA | |
| 110 | 4 21/64″ | 9×14 | 6×12 | 2×11 | - | 3 | 10 | T51-11017YFA | |
| 127 | 5" | 8×16 | 4×14 | 4×14 | - | 4 | 13.5 | T51-12716YFA | |
| 102 | 4" | 8×14 | 4×13 | 1×13 | - | 2 | 10.1 | T51-10213YLA | |
| 115 | 4 1/2" | 9×14 | 6×12 | 4×12 | - | 3 | 9.45 | T51-11519YLA | |
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Litian is a professional manufacturer focused on the production of rock drilling tools and excavation tools.
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