ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit

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KSQ Technologies (Beijing) Co. Ltd

City: beijing

Province/State:beijing

Country/Region:china

Tel:0086--18501231988

Contact Person:
Mr.Yingkai Zhang View Contact Details

ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit

Place of Origin	China
Brand Name	MIROC
Model Number	ST58
Minimum Order Quantity	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
Certification	ISO
type	threaded button drill bit
Carbide Button shape	Spherical Button,Ballistic Button
Button Material	tungsten carbide and Alloy steel
Application	borehole drilling in the quarries/coal mines
Advantage	high quality ,low price and best service
Face Sharp	Drop Center/Concave/Convex/Flat Face

Detailed Product Description

ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit

Description

Thread drill bits are made by high quality alloy steel bar and tungsten carbides.

Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks.

In addition, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.

• 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 Number	Product Code and Brief Description	Bit Diameter (mm)	Bit Diameter (inch)	Front Buttons (No. x mm)	Gauge Buttons (No. x mm)	Angle	Front Flushing Holes	Side Flushing Holes	Weight (kg)
4148300981	R1489-ST58-S-1, ST58 Retrac Button Bit, Spherical Buttons	89	3 1/2	6x12	8x14	35°	2	1	5.1
4148300982	R1389-ST58-S, ST58 Retrac Button Bit, Spherical Buttons	89	3 1/2	4x13, 1x13	8x13	35°	4	-	5.1
4148300983	R1589-ST58-S, ST58 Retrac Button Bit, Spherical Buttons	102	4	7x12	8x14	35°	2	1	6.5
4148300984	R1489-ST58-S-2, ST58 Retrac Button Bit, Spherical Buttons	115	4 1/2	6x14	8x16	35°	2	-	8.5

Product Tags: industrial drill bits hardened steel drill bits

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