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4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits

Categories Button Drill Bit
Place of Origin: China
Brand Name: MIROC
Model Number: 4148300965-972
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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4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits

4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits


Description

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: ST58 Button Bit Spherical Buttons


Applications

• 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


specification


Part NumberBit Diameter (mm)Bit Diameter (inch)

Front Buttons

(No. x mm)

Gauge Buttons

(No. x mm)

4148300965893 1/26x128x12
4148300966893 1/26x138x13
4148300967893 1/24x13, 1x138x13
4148300968893 1/24x12, 2x128x12
4148300969953 3/44x13, 1x138x14
414830097010246x148x14
414830097110246x138x16
41483009721154 1/26x148x16

Product Code and Brief DescriptionAngle

Front Flushing

Holes

Side Flushing

Holes

Weight

(kg)

B1489-ST58-S-1, ST58 Button Bit, Spherical Buttons35°214.1
B1489-ST58-S-2, ST58 Button Bit, Spherical Buttons35°214.1
B1389-ST58-S-1, ST58 Button Bit, Spherical Buttons35°4-4.1
B1489-ST58-S-3, ST58 Button Bit, Spherical Buttons35°4-4.1
B1389-ST58-S-2, ST58 Button Bit, Spherical Buttons35°4-4.6
B1489-ST58-S-4, ST58 Button Bit, Spherical Buttons35°2-6
B1489-ST58-S-5, ST58 Button Bit, Spherical Buttons35°216
B1489-ST58-S-6, ST58 Button Bit, Spherical Buttons35°2-7

Quality 4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits for sale
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