St58 4 Inch / 3.5 Inch Hardened Steel Button Drill Bit Tungsten Carbide

Price Negotiable

Price: negotiation

MOQ: 2

Delivery Time: 25 days

Brand: MIROC

Product Description

ST58 4 Inch / 3.5 Inch Hardened Steel Drill Bits Tungsten Carbide Button Drill Bit

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.
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Type	Thread Button Bit
Material	tungsten carbide
Use	Ore Mining, quarry,mining,blasting,construction,open bit etc.
Advantages	high quality and factory prices
Boby type	Normal type or retrac type
Thread	R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60, GT68
Tungsten carbide	Spherical, ballistic,Conical,Hemispherical
Fact type	Drop Center, Flat Face, Convex, Concave, etc
Color	According to your requirements

• 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 Ballistic Buttons

Applications

• Underground mining
• Tunneling
• Quarry

Advantage:

High quality ,low price and best service.

Specification

Product Code and Brief Description	Angle	Front Flushing Holes	Side Flushing Holes	Weight (kg)
B1489-ST58-B-1, ST58 Button Bit, Ballistic Buttons	35°	2	1	4.1
B1489-ST58-B-2, ST58 Button Bit, Ballistic Buttons	35°	2	1	4.1
B1389-ST58-B-1, ST58 Button Bit, Ballistic Buttons	35°	4	-	4.1
B1489-ST58-B-3, ST58 Button Bit, Ballistic Buttons	35°	4	-	4.1
B1389-ST58-B-2, ST58 Button Bit, Ballistic Buttons	35°	4	-	4.6
B1489-ST58-B-4, ST58 Button Bit, Ballistic Buttons	35°	2	-	6
B1489-ST58-B-5, ST58 Button Bit, Ballistic Buttons	35°	2	1	6
B1489-ST58-B-6, ST58 Button Bit, Ballistic Buttons	35°	2	-	7