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Brand Name : MIROC
Model Number : Button bits
Place of Origin : Shangdong,China
MOQ : 5 Pieces
Price : USD5-300/Piece
Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability : 30000pcs per month
Delivery Time : 10-22days
Packaging Details : Carton Box or Wooden Box
Certification : ISO
Type : Button bits
Material : Tungsten carbide and Alloy steel bar
Processing Type : Forging
Button bit shape : Spherical, Ballistic,Conical
Face shape : Flat shape and Drop-center shape
32mm-152mm T45 Tunneling Mining Quarrying Rock Drilling Tools Threaded Button Bit
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.
• Widely used drifting and tunneling
 • Bit face design is ideal for medium-hard to hard abrasive rock
| Product Name: | different rock hardness drilling button bit | 
| Description: | For different rock hardness mining,tunneling,quarrying button bit Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment. | 
| 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 | 

Features
 • Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;
 • Reliability ensured by premium drill bit materials and premium alloy button;
 • Different types designed for different drilling scenarios and rock conditions;
 • High speed and drilling efficiency;
 • Cost-effective, good performance with reasonable price.
Specification:
| Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | kg | |
| Spherical | ||||||||
| 64 | 2 1/2 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300707 | 
| 64 | 2 1/2 | 4×10 | 8×10 | 40° | 2 | - | 1.6 | 4148300708 | 
| 64 | 2 1/2 | 3×10, 1×10 | 6×11 | 35° | 3 | - | 1.7 | 4148300709 | 
| 70 | 2 3/4 | 4×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300710 | 
| 70 | 2 3/4 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300711 | 
| 70 | 2 3/4 | 3×10, 1×10 | 6×12 | 35° | 3 | - | 1.8 | 4148300712 | 
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300713 | 
| 76 | 3 | 5×11 | 8×13 | 35° | 2 | 1 | 2.4 | 4148300714 | 
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300715 | 
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300716 | 
| 76 | 3 | 4×11, 1×11 | 8×11 | 40° | 4 | - | 2.6 | 4148300717 | 
| 89 | 3 1/2 | 4×13 | 8×13 | 40° | 2 | - | 3.3 | 4148300718 | 
| 89 | 3 1/2 | 5×13 | 8×13 | 35° | 2 | - | 3.3 | 4148300719 | 
| 89 | 3 1/2 | 6×11 | 8×12 | 35° | 2 | - | 3.3 | 4148300720 | 
| 89 | 3 1/2 | 3×11, 2×11 | 6×13 | 35° | 3 | 1 | 3.3 | 4148300721 | 
| 89 | 3 1/2 | 4×11, 1×11 | 8×13 | 35° | 4 | - | 3.3 | 4148300722 | 
| 89 | 3 1/2 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300723 | 
| Ballistic | ||||||||
| 64 | 2 1/2 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300724 | 
| 64 | 2 1/2 | 4×10 | 8×10 | 40° | 2 | - | 1.6 | 4148300725 | 
| 64 | 2 1/2 | 3×10, 1×10 | 6×11 | 35° | 3 | - | 1.7 | 4148300726 | 
| 70 | 2 3/4 | 4×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300727 | 
| 70 | 2 3/4 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300728 | 
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300729 | 
| 76 | 3 | 5×11 | 8×13 | 35° | 2 | 1 | 2.4 | 4148300730 | 
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300731 | 
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300732 | 
| 76 | 3 | 4×11, 1×11 | 8×11 | 40° | 4 | - | 2.6 | 4148300733 | 
| 89 | 3 1/2 | 5×13 | 8×13 | 35° | 2 | - | 3.3 | 4148300734 | 
| 89 | 3 1/2 | 6×11 | 8×12 | 35° | 2 | - | 3.3 | 4148300735 | 
| 89 | 3 1/2 | 3×11, 2×11 | 6×13 | 35° | 3 | 1 | 3.3 | 4148300736 | 
| 89 | 3 1/2 | 4×11, 1×11 | 8×13 | 35° | 4 | - | 3.3 | 4148300737 | 
| 89 | 3 1/2 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300738 | 
Applications of rock drilling tools
• Underground mining
 • Tunneling,quarrying
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



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