| Place of Origin: | Beijing China | 
| Brand Name: | MIROC | 
| Certification: | ISO9001 | 
| Model Number: | GT60 115mm | 
| Minimum Order Quantity: | 1pcs | 
|---|---|
| Price: | Negotiations | 
| Packaging Details: | Netrual packing | 
| Delivery Time: | 5-10 days | 
| Payment Terms: | T/T, L/C, D/A, D/P, Western Union,paypal,Ali pay,Wechat | 
| Supply Ability: | 20 000pcs each week | 
| Type: | GT60 Drill Bit | Name: | GT60 115mm Drop Center Retrac | 
|---|---|---|---|
| Use: | Drilling Hole | Material: | Alloy Steel Bar And Tungsten Carbide Bit | 
| Carbide: | 8*12mm, 8*14mm | Product Brand: | MIROC | 
| Diameter: | 105~152mm | Weight: | 8.5kg | 
| Highlight: | hardened steel drill bits,milling drill bits | 
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YK05 Tungsten carbide bit GT60 Dia102~152mm button bit and retrac bit for long hole drilling
| Product Name: | GT60 button bit | 
| Description: | 
			 GT60 button bit  
			Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment like Atlas.  | 
		
| Material: | Alloy steel bar and tungsten carbide bit | 
| MOQ: | No MOQ required for testing and trial order | 
| Body Type | Normal type and retract type | 
| Thread type | R22,R25,R28,R32,R38,T38,T45,T51,ST58,ST68,GT60 | 
| Diameter | 32mm-152mm | 
| Button bit shape | Spherical and Ballistic | 
| Face shape | 
			 Flat shape and Drop-center shape  | 
		
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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
Applications of rock drilling Bit
• 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
specification
Product specifications: GT60 Button Bit
| GT60 Drill bits | Dia. | Tip size (mm) | Flushing hole No. | Weight | |||||
| mm | inch | Front | Gauge | Angle | Side | Front | |||
| Normal thread | |||||||||
| 92 | 3 5/8" | 13x4,13x1 | 13x8 | 35° | 4 | - | 5.3 | ||
| 96 | 3 3/4" | 13x4,13x1 | 14x8 | 35° | 4 | - | 5.6 | ||
| 102 | 4" | 11x9 | 13x9 | 35° | 3 | - | 6 | ||
| 115 | 4 1/2" | 12x10 | 14x9 | 35° | 3 | - | 6.8 | ||
| 127 | 5" | 13x10 | 14x9 | 35° | 3 | - | 7.5 | ||
| 140 | 5 1/2" | 14x10 | 16x9 | 35° | 3 | - | 9 | ||
| 152 | 6" | 14x12 | 16x9 | 35° | 3 | - | 10.6 | ||
| Retrac thread | |||||||||
| 92 | 3 5/8" | 12x9 | 12x9 | 40° | 2 | - | 5.4 | ||
| 96 | 3 3/4" | 12x9 | 12x9 | 40° | 2 | - | 6.3 | ||
| 102 | 4" | 12x10 | 13x9 | 40° | 2 | - | 7.3 | ||
| 115 | 4 1/2" | 12x10 | 14x9 | 35° | 3 | - | 9.8 | ||
| 118 | 4 5/8" | 13x6 | 16x9 | 35° | 3 | 10 | |||
| 127 | 5" | 13x10 | 14x9 | 35° | 3 | - | 12 | ||
| 140 | 5 1/2" | 14x10 | 16x9 | 35° | 3 | - | 14.0 | ||
| 152 | 6" | 14x12 | 16x9 | 35° | 3 | - | 16 | ||
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Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988