China Dome Button Bits and Reaming Bit for Drifting and Tunnelling Manufacturer, Pricelist

Product Details
Customization: Available
After-sales Service: Repair or Replacement
Warranty: 6 Months

Product Description

📋 Basic Info
Model NO. Dome bits and Reaming Bit
Certification ISO 9001:2000, ISO 9001:2008
Standard GB
Surface Treatment Spray-Paint
Material Carbon Steel
Thread R32/T38/T45/St58
Machine Type Drilling Tools
Tungsten Carbide Yk05 or T6
Package Size 30.00cm * 30.00cm * 30.00cm
Gross Weight 5.000kg
Production Capacity 500,000 PCS/Month
HS Code 82071990
🔍 Product Description

Reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth. We manufacture pilot reaming drilling tools, domed reaming button bits and adapter reaming button bits. Pilot reaming drilling tools consist of pilot adapters and reaming button bits; however, both domed reaming button bits and adapter reaming buttons bits are one-piece designed.

⚙️ Parameters
Thread size: R25, R28, and R32.
Pilot adapter head diameter: 26mm to 40mm.
Pilot bit degree: 6°, 12°.
Reaming button bit diameter: 64mm to 225mm.
Reamer button bit degree: 6°, 12°.
⭐ Key Features
Alloy buttons are hot mounted into the drill bit, ensuring good accuracy and durability.
Reliability ensured by premium drill bit materials and premium alloy buttons.
Different types designed for various drilling scenarios and rock conditions.
High speed and exceptional drilling efficiency.
Cost-effective, offering good performance with a reasonable price.
🏗️ Applications

Designed for drilling works for blasting duties in tunneling, construction, mining, quarrying, and more.

📊 Technical Specifications
Thread Carbide Dimension (mm) D (Diameter) d (Pilot) Flushing Hole
Gauge (No.) Gauge (mm) Front (No.) Front (mm) [mm] [in] [mm] [in] Front Side
R 32 8 14 4 / 3 11 / 11 102 4" 41 1 5/8" 2 0
T 38 8 14 7 / 4 / 2 11 / 11 / 9.5 102 4" 51 2" 2 0
T 45 8 14 4 / 6 12.7 / 12.7 127 5" 64 2 1/2" 2 0
ST 58 8 16 4 / 6 14 / 14 152 6" 89 3 1/2" 2 0
R 32 8 12.7 6 / 1 11 / 9.5 89 3 1/2" 29 1 5/32" 3 2
❓ Frequently Asked Questions
What are reaming drilling tools used for?
Reaming tools are specifically designed to enlarge a pilot hole to a larger diameter for various industrial applications.
What materials are the drill bits made from?
The bits are manufactured using high-quality Carbon Steel with premium Tungsten Carbide (Yk05 or T6) hot-mounted for durability.
What thread sizes are available?
Standard thread sizes include R25, R28, R32, T38, T45, and ST58 to suit different drilling rigs.
Are these bits suitable for hard rock conditions?
Yes, different types of buttons and bit designs are available to optimize performance in various rock conditions and drilling scenarios.
What industries commonly use these reaming bits?
They are widely used in tunneling, mining, quarrying, and construction for blasting duties and hole enlargement.
How are the alloy buttons secured to the bit?
The alloy buttons are hot-mounted into the drill bit to ensure high accuracy, reliability, and long-lasting performance.

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