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| Place of Origin: | China |
| Brand Name: | MIROC |
| Certification: | CE ,ISO |
| Model Number: | T51 |
| Minimum Order Quantity: | 1pcs |
|---|---|
| Price: | Negotiated price |
| Packaging Details: | dth drill bits first be packed in polybag,then be packed in plastic box or wooden box |
| Delivery Time: | 5-15 working day |
| Payment Terms: | T/T, L/C, D/A, D/P, Western Union, MoneyGram,Paypal |
| Supply Ability: | 100 000pcs/month |
| Machine: | T51 | Bit Diameter: | 89mm |
|---|---|---|---|
| Dia Inch: | 3 1/2 | Hole: | 4 Holes |
| Material: | Carbon Steel | Rock Class: | Hard Rock And Medium Hard Rock |
| High Light: | industrial drill bits,hardened steel drill bits |
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T51 89mm 8X12 4X12 2X10 4 Holes Hard Rock Mining Drillin Bits Button Drill Bit
Bit Diameter: 89mm/( 3 1/2 inch)
Flushing hole:4 hole
Buttons:14
Rock Class:Hard rock and medium hard rock
Button bit design:Flat face,Drop center
Length of drill rod:1525mm-6100mm (MM and MF)
Tungsten carbide (Buttons): Ballistic
| Type | Thread Button Bit |
| Material | tungsten carbide |
| Use | Ore Mining, quarry,mining,blasting,construction,open bit etc. |
| Advantages | high quality and factory prices |
| Boby type | Normal type or retrac type |
| Thread | R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60, GT68 |
| Tungsten carbide | Spherical, ballistic,Conical,Hemispherical |
| Fact type | Drop Center, Flat Face, Convex, Concave, etc |
| Color | According to your requirements |
| Diameter(D) | Flushing hole(MM) | Buttons(MM) | Degree | Grade | |||
| mm | in | Front | Side | Front | Side | ||
| 89 | 3 1/2 | 2X12 | 2X7 | 6X12 | 8X14 | 35° | H |
| 89 | 3 1/2 | 4X10 | - | 6X12 | 8X14 | 35° | M |
| 89 | 3 1/2 | 2X11 | 2X8 | 6X12 | 8X14 | 35° | H |
| 89 | 3 1/2 | 4x10 | - | 6x12 | 8x14 | 35° | M |
We have different designs for various rock formations, longer service life to decrease use costs for users.
| Thread Type | dia | tip size(mm) | flushing holes | weight (kg) | ||
| mm | gauge | front | side | front | ||
| R22 R25 R28 SR28 | 41 | 5*9 | 2*8 | 2 | 1 | 0.6 |
| 42 | 5*9 | 2*8 | 2 | 1 | 0.6 | |
| 43 | 5*9 | 2*9 | 2 | 1 | 0.6 | |
| 43 | 5*9 | 2*8 | 2 | 1 | 0.6 | |
| 45 | 5*9 | 2*9 | 2 | 1 | 0.7 | |
| 48 | 5*10 | 2*9 | 2 | 1 | 0.78 | |
| 51 | 5*11 | 2*10 | 2 | 1 | 1.1 | |
| 57 | 5*12 | 2*10 | 2 | 1 | 1.3 | |
| R32 | 41 | 4*9 | 2*8 | 1 | 1 | 0.54 |
| 43 | 4*9 | 2*9 | 1 | 1 | 0.55 | |
| 45 | 4*10 | 2*9 | 1 | 1 | 0.6 | |
| T38 | 57 | 5*11 | 3*10 | 1 | 1 | 1.6 |
| 64 | 5*12 | 3*11 | 1 | 1 | 1.6 | |
| 76 | 5*14 | 3*12 | 1 | 2 | 2.4 | |
| T45 | 70 | 6*11 | 4*10 | 0 | 2 | 2.4 |
| 76 | 6*13 | 4*10 | 0 | 2 | 2.6 | |
| 89 | 8*12 | 5*12 | 2 | 2 | 4.5 | |
| 102 | 8*13 | 6*12 | 2 | 2 | 5 | |
| 115 | 8*14 | 6*13 | 2 | 2 | 6.8 | |
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
