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Alloy Steel Button Drill Bit

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Alloy Steel Button Drill Bit

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Large Image :  Alloy Steel Button Drill Bit

Product Details:

Place of Origin: China
Brand Name: MIROC
Model Number: 4148300174-4148300178

Payment & Shipping Terms:

Minimum Order Quantity: 50
Price: negotiation
Packaging Details: Carton Box or Wooden Box
Delivery Time: 25 days
Payment Terms: T/T or L/C
Supply Ability: 20000 pieces per month
Detailed Product Description
High Light:

hardened steel drill bits


milling drill bits


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: 7° Tapered Button Bit Long Skirt


• 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





Part Number Bit Diameter (mm) Bit Diameter (inch) Front Buttons (No. x mm)

Gauge Buttons 

(No. x mm)

4148300174 32 1 1/4 2x7 5x7
4148300175 33 1 2/7 2x7 5x7
4148300176 35 1 3/8 2x7 5x8
4148300177 38 1 1/2 2x7 5x9
4148300178 41 1 5/8 2x7 5x9



Product Code and Brief Description Angle Front Flushing Holes Side Flushing Holes



BL732-7D-22, 7° Tapered Button Bit, 

Long Skirt

35° 1 1 0.3

BL733-7D-22, 7° Tapered Button Bit, 

Long Skirt

35° 1 1 0.31

BL735-7D-22, 7° Tapered Button Bit, 

Long Skirt

35° 1 1 0.36

BL738-7D-22, 7° Tapered Button Bit, 

Long Skirt

35° 1 1 0.41

BL741-7D-23, 7° Tapered Button Bit, 

Long Skirt

35° 1 1 0.42


Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: Yingkai

Tel: +8618501231988

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