Name: GT60 Thread 140mm Diameter Retract Button Bit for Blast Hole Drilling with Tungsten Carbide Dome Design
Brand: KSQ Technologies (Beijing) Co. Ltd
SKU: GT60-140mm
Price: 508.50 USD
Availability: InStock

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GT60 Thread 140mm Diameter Retract Button Bit for Blast Hole Drilling with Tungsten Carbide Dome Design

Product Details:

Place of Origin:	CHINA
Brand Name:	MIROC
Certification:	ISO
Model Number:	GT60-140mm

Payment & Shipping Terms:

Minimum Order Quantity:	1
Delivery Time:	20-30
Supply Ability:	3000

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Detailed Product Description

Thread:	GT60	Diameter:	93mm, 102mm, 115mm, 127mm,140mm
Skirt Body:	Retrac, And Normal, Straightrac	Face Type:	Flat, Uniface, Drop Center
Carbide Design:	Dome, Ballistic, Semi-ballistic/parabolic	Material:	Tungsten Carbide
Drilling:	Blast Hole Drilling	Functions:	Top Hammer Drilling
Highlight:	GT60 retract button bit , 140mm blast hole drill bit , retract button bit for rock drilling

GT60 Diameter 140mm Retract Button Bit for Blast Hole Drilling

Product Description

Retrac button bits are designed for use in loose rock masses with relatively broken formations. The retrac skirt design facilitates drill tool retrieval, reduces bit sticking and burial incidents, and improves borehole straightness.

Our thread button bits are manufactured from high-quality alloy steel bars and premium tungsten carbide, meeting quality standards comparable to global brands like Sandvik and Robit.

Key Features

Available thread types: R25, R28, R32, SR35, R38, T45, T51, ST58, GT60, ST68
Drill bit head diameters range from 33mm to 160mm
Button shapes include spherical, ballistic, and conical
Face shapes: flat, drop-center, and engrave
Body shapes: standard and retrac
Ideal for tunnel construction and large-scale mining operations (open-pit and underground)

Thread Type Specifications

Thread Type	Specifications
R25	33mm,35mm,37mm,38mm,41mm,43mm,45mm
R28	37mm,38mm,41mm,43mm,45mm,48mm
R32	41mm,43mm,45mm,48mm,51mm,54mm,57mm,64mm,76mm
T38	64mm,T70mm,76mm,89mm,102mm,127mm
T45	76mm,89mm,102mm,115mm
T51	89mm,102mm,115mm,127mm
T60	90mm,92mm,96mm,102mm,115mm,118mm,127mm,140mm,145mm,152mm
GT60	92mm,96mm,102mm,115mm,118mm,127mm,130mm,133mm,140mm,145mm,152mm,160mm

Order Confirmation Requirements

Before placing an official order, please confirm the following details:

Thread Type
Standard or Retrac
Bit button shape (tip shape) - Spherical or Ballistic
Bit face shape - Drop Center, Flat Face, Convex, Concave, etc.

Technical Specifications

Diameter(mm)	Thread Type	No*Button diameter(mm)	Face	Weight(kg)
Standard Type
64	R32,T38	6*11	4*10	Flat	1.6
76	R32,T38,T45	6*12	4*11	Flat	2.6
89	T38,T45,T51	8*12	412+211	Flat	3.4
95	GT60	8*12	7*11	Flat	5.6
102	T45,T51,GT60	8*13	7*12	Flat	5.6
115	T45,T51,GT60	9*13	10*11	Flat	6.3
127	T51,GT60	9*14	10*13	Flat	6.5
140	T51,GT60	9*16	10*14	Flat	9.4
Retrac Type
76	T38,T45	6*12	4*11	Flat	4.4
89	T38,T45,T51	8*12	412+211	Flat	5.6
102	T45,T51,GT60	8*13	7*12	Flat	5.8
115	T45,T51,GT60	9*13	10*11	Flat	9.5
127	T51,GT60	9*14	10*13	Flat	10.4
140	T51,GT60	9*16	10*14	Flat	14.4
152	GT60	9*16	11*14	Flat	22

Custom Solutions

We offer OEM services and can design customized thread button drill bits for specific drilling applications. Our custom drill bits are suitable for soft rock, loose-medium rock, and hard rock formations.