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12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling

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12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling

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Place of Origin : China

Brand Name : MIROC

Model Number : 4148300255-4148300270

MOQ : 50

Packaging Details : Carton Box or Wooden Box

Delivery Time : 25 days

Payment Terms : T/T or L/C

Supply Ability : 20000 pieces per month

Price : negotiation

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12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling

Description


Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose tapered button bits for faster drilling penetration rate. Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning.

• Suitable for small hole range
• Widely used in Dimensional Stone Quarrying Industry
• Widely used in Underground Mining Industry


Color: Green or Based on Customer requirements


Material: Tungsten carbide and high strength alloy steel


Processing: CNC milling and proprietary heat treatment process


Type: 12° Tapered Button Bit Short Skirt



Applications


• Dimensional Stone Industry
• 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)
4148300255 28 1 1/9 1x7 3x7
4148300256 28 1 1/9 1x7 4x7
4148300257 29 1 1/7 1x7 3x7
4148300258 30 1 1/6 1x7 3x7
4148300259 30 1 1/6 1x7 4x7
4148300260 30 1 1/6 2x7 4x7
4148300261 32 1 1/4 2x7 5x7
4148300262 33 1 2/7 2x7 5x7
4148300263 34 1 1/3 2x7 5x8
4148300264 35 1 3/8 2x7 4x7
4148300265 35 1 3/8 2x7 5x8
4148300266 35 1 3/8 2x7 5x9
4148300267 36 1 3/7 2x7 5x9
4148300268 37 1 4/9 2x7 5x9
4148300269 38 1 1/2 1x9 5x9
4148300270 38 1 1/2 2x7 5x9

Product Code and Brief Description Angle

Front Flushing

Holes

Side Flushing

Holes

Weight

(kg)
BS428-12D-22, 12° Tapered Button Bit, Short Skirt 20° 1 1 0.2
BS528-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.2
BS429-12D-22, 12° Tapered Button Bit, Short Skirt 40° 1 1 0.21
BS430-12D-22, 12° Tapered Button Bit, Short Skirt 40° 1 1 0.22
BS530-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.22
BS630-12D-22, 12° Tapered Button Bit, Short Skirt 30° 1 1 0.22
BS732-12D-22, 12° Tapered Button Bit, Short Skirt 40° 2 1 0.24
BS733-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.25
BS734-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.29
BS635-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.33
BS735-12D-22-1, 12° Tapered Button Bit, Short Skirt 35° 2 1 0.33
BS735-12D-22-2, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.33
BS736-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.37
BS737-12D-22, 12° Tapered Button Bit, Short Skirt 40° 1 1 0.38
BS638-12D-22, 12° Tapered Button Bit, Short Skirt 40° 1 1 0.4
BS738-12D-22, 12° Tapered Button Bit, Short Skirt 35° 1 1 0.4


Product Tags:

hardened steel drill bits

      

milling drill bits

      
12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling Manufactures

12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling Images

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