Home > Products > Retractable Drill Bit > 4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
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Product Details
| Brand Name | MIROC | Place of Origin | China | |
| Model Number | 4148301024-4148301029 |
Product Description
4\" 5\" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
Description
This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.
? Widely used drifting and tunneling
? Bit face design is ideal for soft to medium rock formations
? With Retrac Wings to help guide the bit in and out of the hole
? Effective in straight hole drilling
Color: Green,Blue or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: ST68 Retrac Button Bit Spherical Buttons
?
Applications
? Underground mining
? Tunneling
?
Competitive Advantage
? High grade tungsten carbide inserts
? Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
?
specification
?
| Part?Number | Bit?Diameter?(mm) | Bit?Diameter?(inch) |
Front?Buttons? (No.?x?mm) |
Gauge?Buttons? (No.?x?mm) |
| 4148301024 | 102 | 4???? | 4x12,?4x12 | 10x12 |
| 4148301025 | 102 | 4???? | 4x14,?2x12 | 8x14 |
| 4148301026 | 110 | 4?1/3 | 6x14 | 8x16 |
| 4148301027 | 115 | 4?1/2 | 6x14 | 8x16 |
| 4148301028 | 127 | 5???? | 8x14 | 9x16 |
| 4148301029 | 140 | 5?1/2 | 9x14 | 9x16 |
| Product?Code?and?Brief?Description | Angle |
Front?Flushing? Holes |
Side?Flushing? Holes |
Weight? (kg) |
| R18102-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 4 | - | 9.3 |
| R14102-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 4 | - | 9.3 |
| R14110-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 2 | - | 10 |
| R14115-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 2 | - | 10 |
| R17127-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 3 | - | 15 |
| R18140-ST68-S,?ST68?Retrac?Button?Bit,?Spherical?Buttons | 35° | 3 | - | 17.8 |
Contact Us
- KSQ Technologies (Beijing) Co. Ltd
- Contact nameMrs. Zhao Chat Now
- Phone86-10-60714361
- AddressRm 705, Unit 2, Building 6, Jialian Plaza, Liaocheng, Shandong
Product Categories
| Button Drill Bit | Chisel Drill Bit | Cross Bits | Drill Coupling |
| DTH Drilling Tools | Reaming Drill Bit | Retractable Drill Bit | Rock Drilling Tools |
| Threaded Drill Rod |
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Mobile
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R25 Drifter Rod R32-Hex 25-R25 Flushing Hole 8.6 mm
R25 Drifter Rod R25-Hex 25-R25 Flushing Hole 8.6 mm
R25 Speed Rod R25-Hex 25-R25 Flushing Hole 8.6 mm
R25 Shank End Rod Shank 22 mm x 108 mm
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R28 Drifter Rod R32-Hex 28-R28 Flushing Hole 8.8 mm
R28 Drifter Rod R38-Hex 32-R28 Flushing Hole 9.6 mm
R28 Drifter Rod R32-Hex 32-R28 Flushing Hole 9.6 mm
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R32 Drifter Rod R/T38-Hex 32-R32 Flushing Hole 9.6 mm
R32 Drifter Rod R/T38-Hex 35-R32 Flushing Hole 9.5 mm
R32 Speed Rod T38-Hex 35-R32 Flushing Hole 9.5 mm
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