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T45 Spherical Button Drill Bit Rock Drill Bits 70mm 76mm

Categories Button Drill Bit
Place of Origin: China
Brand Name: MIROC
Model Number: 4148300804-820
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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T45 Spherical Button Drill Bit Rock Drill Bits 70mm 76mm


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 in bench and long hole drilling
• 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: T45 Button Bit Spherical Buttons


• Underground mining
• Tunneling
• Quarry

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




Part NumberBit Diameter (mm)Bit Diameter (inch)

Front Buttons

(No. x mm)

Gauge Buttons

(No. x mm)

4148300804702 3/44x118x11
4148300805702 3/43x11, 1x196x11
4148300806702 3/44x10, 1x108x11
41483008097633x11, 1x116x13
41483008107634x11, 1x118x12
4148300811893 1/24x138x13
4148300812893 1/26x118x12
4148300813893 1/23x11, 2x116x13
4148300814893 1/24x11, 1x118x12
4148300815893 1/24x13, 1x138x13
414830081810243x13, 2x136x14
414830081910244x13, 1x138x14
414830082010244x13, 2x138x13



Product Code and Brief DescriptionAngle

Front Flushing


Side Flushing




B1270-T45-S, T45 Button Bit, Spherical Buttons40°2-2.3
B1070-T45-S. T45 Button Bit, Spherical Buttons35°3-2.2
B1370-T45-S, T45 Button Bit, Spherical Buttons35°4-2.2
B1276-T45-S, T45 Button Bit, Spherical Buttons40°2-2.6
B1376-T45-S, T45 Button Bit, Spherical Buttons35°212.6
B1076-T45-S, T45 Button Bit, Spherical Buttons35°3-2.4
B1376-T45-S, T45 Button Bit, Spherical Buttons35°4-2.6
B1289-T45-S, T45 Button Bit, Spherical Buttons40°2-4.6
B1849-T45-S, T45 Button Bit, Spherical Buttons35°2-4.6
B1189-T45-S, T45 Button Bit, Spherical Buttons35°314.1
B1389-T45-S-1, T45 Button Bit, Spherical Buttons35°4-4.6
B1389-T45-S-2, T45 Button Bit, Spherical Buttons35°4-4.6
B13102-T45-S-1, T45 Button Bit, Spherical Buttons40°2-5
B14102-T45-S-1, T45 Button Bit, Spherical Buttons40°215
B11102-T45-S, T45 Button Bit, Spherical Buttons35°314.5
B13102-T45-S-2, T45 Button Bit, Spherical Buttons35°4-4.5
B14102-T45-S-2, T45 Button Bit, Spherical Buttons35°414.5

Cheap T45 Spherical Button Drill Bit Rock Drill Bits 70mm 76mm for sale
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