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R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling

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R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling

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Large Image :  R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling

Product Details:

Place of Origin: China
Brand Name: MIROC
Certification: ISO
Model Number: R28-76mm Dome Thread Bit

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiation
Packaging Details: Standrad export packaging or customized
Delivery Time: 15-20 days
Supply Ability: 20000pcs per month
Detailed Product Description
Material: Tungsten Carbide Type: Reaming Drill Bit
Thread: R28, R32, R38, T45, Etc. Application: Metal Mine, Quarry, Dydro-electrical Engineering, Etc.
Bit Diameter: 64mm-89mm Button Type: Soherical, Ballistic, Conical
High Light:

Reaming Dome Threaded Button Bit


76mm Reaming Drill Bit


Rock Reaming Drill Bit


This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter.

• Widely used in drifting and tunneling
• R28 thread system

Color: Green,Blue or Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: R28 Reaming Bit 6


• 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


Part Number Bit Diameter (mm) Bit Diameter (inch) Front Buttons Gauge Buttons Product Code and Brief Description Angle Front Flushing Side Flushing Weight
(No. x mm) (No. x mm) Holes Holes (kg)
4148300452 64 2 1/2 2x10 8x9 RE1064-6D-R28, R28 Reaming Bit 6° 35° - - 0.8
4148300453 64 2 1/2 4x8 8x9 RE1264-6D-R28, R28 Reaming Bit 6° 25° - - 0.8
4148300454 76 3 2x11 8x11 RE1076-6D-R28, R28 Reaming Bit 6° 35° - - 1.2
4148300455 76 3 4x10 8x10 RE1276-6D-R28, R28 Reaming Bit 6° 30° - - 1.2
4148300456 89 3 1/2 4x11 8x11 RE1289-6D-R28, R28 Reaming Bit 6° 35° - - 1.7
4148300457 89 3 1/2 4x10 8x10 RE1289-6D-R28, R28 Reaming Bit 6° 30° - - 1.7

Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: Jillian Liu

Tel: +8618611434109

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