China Hole Opener Reaming Bits R25-64mm Button Bit for Rock Drilling and Mining Quotes, Pricelist

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

Product Description

📊 Basic Info.
Model NO.
R25-64
Certification
ISO 9001:2000, ISO 9001:2008
Standard
GB
Surface Treatment
Spray-Paint
Manufacturing Process
Stamping
Material
Carbon Steel
Thread
R32/T38/T45/St58
Machine Type
Drilling Tools
Color
Red, Black, Yellow, White
Tungsten Carbide
Yk05 or T6
HS Code
82071990
Capacity
500,000 PCS/Month
📦 Packaging & Delivery
Package Size
30.00cm * 30.00cm * 30.00cm
Gross Weight
5.000kg
Transport Package
Wooden Case
📝 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 40 mm.
  • Pilot bit degree: 6°, 12°
  • Reaming button bit diameter: 64mm to 225mm.
  • Reamer button bit degree: 6°, 12°
Features
  • Alloy buttons hot mounted for superior accuracy and durability.
  • Reliability ensured by premium bit materials and alloy buttons.
  • Optimized designs for various drilling scenarios and rock conditions.
  • High drilling speed and operational efficiency.
  • Cost-effective performance with competitive pricing.
🏗️ Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, and related infrastructure projects.

📋 Technical Specifications
Thread Gauge Carbide Front Carbide D (Bit Dia) d (Pilot Dia) Flushing Hole
No. mm No. mm mm inch mm inch Front Side
R 328144 / 311 / 111024"411 5/8"20
T 388147 / 4 / 211/11/9.51024"512"20
T 388144/612.7/12.71275"672 5/8"20
T 458144/612.7/12.71275"642 1/2"20
T 458144/612.7/12.71275"732 7/8"20
T 388166/614/141526"1024"20
T 458162/4/614/16/12.71526"642 1/2"20
ST 588164/614/141526"893 1/2"20
R 3281179.5763"291 5/32"31
FAQ
What are reaming drilling tools used for?
They are primarily used to enlarge a pre-drilled pilot hole to a specific larger diameter, essential for blasting duties in mining and construction.
What thread sizes do you provide?
We offer a wide range of standard thread sizes including R25, R28, R32, T38, T45, and ST58 to fit various drilling equipment.
What materials are used for the button bits?
Our bits are manufactured using high-strength carbon steel and premium tungsten carbide (Yk05 or T6) for maximum durability.
How do you ensure the durability of the drill bits?
The alloy buttons are hot-mounted into the bit, which ensures high precision, better retention, and long-lasting performance in hard rock conditions.
Are these tools suitable for underground mining?
Yes, they are highly effective for tunneling, mining, and quarrying, designed to handle diverse rock conditions with high efficiency.
What is the diameter range for reaming button bits?
Our reaming button bits are available in diameters ranging from 64mm to 225mm.

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