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| Place of Origin: | CHINA |
| Brand Name: | MIROC |
| Certification: | ISO |
| Model Number: | R28 |
| Minimum Order Quantity: | 1 |
|---|---|
| Packaging Details: | Standrad export packaging or customized |
| Delivery Time: | 15-20 days |
| Supply Ability: | 2000000pcs per month |
| Thread: | H25, R25, R28. R32,R38, T38, T45, T51,ST58, ST68 | Carbide/Inserts Type: | Spherical, Ballistic, Conical, Semi-Spherical |
|---|---|---|---|
| Body Type: | Normal Type And Retrac Type | Face Design: | Flat Face And Drop Center |
| Carbide Number: | 10, 11, 12, 13, 14 Buttons | Color: | Color |
| High Light: | r28 button bits rock drilling,spherical drill button bit,ballistic drill button bit |
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R28 Spherical And Ballistic For Drifting And Quarry Rock Drill Button Bit
Product Description
Thread Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
• Color: Green,Yellow or Based on Customer requirements
| Product Name: | Thread button bits |
| Description: | For different rock hardness mining,tunneling,quarrying projects. |
| Material: | Alloy steel bar and tungsten carbide bit |
| MOQ: | trial order 1-5pcs |
| Body Type | Normal type and retract type |
| Thread type | R25,R28,R32,R38,T38,T45,T51,ST58,ST68 |
| Diameter | 32mm-152mm |
| Button bit shape | Spherical and Ballistic |
| Face shape | Flat shape and Drop-center shape |
Applications of rock drilling tools
• Underground mining and surface mining
• Long hole drilling
• Bench mining and production mining
• Granite, Basalt, Limestone rock etc.
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
Production Process:
1. Raw material 2. Making bits body 3. Making bit face 4. Heat-treatment 5. Package.
Specification:
R28 Button Bit
| Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | kg | |
| Spherical | ||||||||
| 37 | 1 1/2 | 2×7 | 5×9 | 30° | 1 | 1 | 0.5 | 4148300438 |
| 38 | 1 1/2 | 2×8 | 4×9 | 30° | 1 | 2 | 0.6 | 4148300439 |
| 38 | 1 1/2 | 2×7 | 5×9 | 30° | 1 | 1 | 0.6 | 4148300440 |
| 41 | 1 3/5 | 2×8 | 5×9 | 35° | 1 | 1 | 0.7 | 4148300441 |
| 43 | 1 2/3 | 2×9 | 5×9 | 35° | 1 | 2 | 0.8 | 4148300442 |
| 45 | 1 7/9 | 2×9 | 5×10 | 30° | 1 | 2 | 0.9 | 4148300443 |
| 45 | 1 7/9 | 3×8 | 6×9 | 35° | 1 | 3 | 0.9 | 4148300444 |
| Ballistic | ||||||||
| 37 | 1 1/2 | 2×7 | 5×9 | 30° | 1 | 1 | 0.5 | 4148300445 |
| 38 | 1 1/2 | 2×8 | 4×9 | 30° | 1 | 2 | 0.6 | 4148300446 |
| 38 | 1 1/2 | 2×7 | 5×9 | 30° | 1 | 1 | 0.6 | 4148300447 |
| 41 | 1 3/5 | 2×8 | 5×9 | 35° | 1 | 1 | 0.7 | 4148300448 |
| 43 | 1 2/3 | 2×9 | 5×9 | 35° | 1 | 2 | 0.8 | 4148300449 |
| 45 | 1 7/9 | 2×9 | 5×10 | 30° | 1 | 2 | 0.9 | 4148300450 |
| 45 | 1 7/9 | 3×8 | 6×9 | 35° | 1 | 3 | 0.9 | 4148300451 |
| 48 | 1 8/9 | 2×9 | 5×11 | 30° | 1 | 2 | 1.0 | 4148300452 |
| 48 | 1 8/9 | 3×8 | 6×9 | 35° | 1 | 3 | 1.0 | 4148300453 |
Product Pictures:
Button bit and Insert types:
Spherical Button Characteristics:
1.Universal button
2.Good wear resistance
3.Best suited for hard ground
4.27000-48000PSI(180 to 320Mpa)
5.Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics:
1.Fast Penetration
2.Best suited for soft rock
3.10000-20000PSI(70 to 140Mpa)
4.Suited for non-abrasive drilling conditions
Order Information:
Thread + Bit. Diameter + Carbide Type + Body Type
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
