| Place of Origin: | China | 
| Brand Name: | MIROC | 
| Certification: | ISO | 
| Model Number: | 4148300376-384 | 
| Minimum Order Quantity: | 50 | 
|---|---|
| Price: | negotiation | 
| Packaging Details: | Carton Box or Wooden Box | 
| Delivery Time: | 25 days | 
| Payment Terms: | T/T or L/C | 
| Supply Ability: | 20000 pieces per month | 
| Material: | Tungsten Carbide And High Strength Alloy Steel | Color: | Green Or Based On Customer Requirements | 
|---|---|---|---|
| Type: | R25 Button Bit Short Skirt Spherical Buttons | Processing: | CNC Milling And Proprietary Heat Treatment Process | 
| Highlight: | r25 button bits rock drilling,tungsten carbide rock button bits,short skirt rock button bits | ||
R25 Tungsten Carbide Short Skirt Spherical Button Drill Bit
Description
This type of 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.
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
Color: Green or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: R25 Button Bit Short Skirt Spherical Buttons
| 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 | 
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 | Product Code and Brief Description | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) | 
| 4148300376 | BS733-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.4 | 
| 4148300377 | BS735-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.4 | 
| 4148300378 | BS738-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 38 | 1 1/2 | 2x7 | 5x8 | 30° | 1 | 1 | 0.5 | 
| 4148300379 | BS738-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 | 
| 4148300380 | BS741-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 41 | 1 3/5 | 2x9 | 4x9 | 35° | 1 | 2 | 0.6 | 
| 4148300381 | BS741-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 41 | 1 3/5 | 2x8 | 5x9 | 35° | 1 | 1 | 0.6 | 
| 4148300382 | BS645-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x9 | 4x11 | 35° | 1 | 2 | 0.6 | 
| 4148300383 | BS745-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x8 | 5x10 | 30° | 1 | 2 | 0.6 | 
| 4148300384 | BS745-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x8 | 5x11 | 30° | 1 | 2 | 0.6 | 



Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988