Fujian, China
Business Type:
Trading Company
Type of Ownership:
Limited Company
Terms of Payment:
LC, T/T, D/P, Western Union
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
International Commercial Terms(Incoterms):
OEM/ODM Service
Sample Available

Bits, Drill Bits, Rock Drill Bits manufacturer / supplier in China, offering Dia. 76mm 3′′ Top Hammer Bits with T45 Thread, 32mm 40mm 42mm Tapered Button Bits, 7 11 12 Degree Tapered Drill Rods and so on.

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Dia. 76mm 3′′ Top Hammer Bits with T45 Thread

Get Latest Price
Purchase Qty. / Reference FOB Price
1-49 Pieces US $59
50-99 Pieces US $49
100-499 Pieces US $48
500+ Pieces US $45
Production Capacity: 5000 PCS / Month
Transport Package: Wood Box
Payment Terms: L/C, T/T, Western Union
Type: Drill Bit
Material: Tungsten Carbide
Usage: Well Drilling
Thread: T38 R38 for Blasting Hole Drilling
Bit Diameter: 64mm, 76mm
Cemented Carbide: Yk05

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Basic Info

Model NO.: T45- 76mm,
Carbide Insert Shape: Dome, Ballistic, Semi-Ballistic
Face Design: Drop Centre, Flat, Uniface
Skirt Design: Normal, Retrac, Straightrac
New Design: Rocket Bit
Qty of Inserts: 10, 11, 13
Diameter of Inserts: 10mm, 11mm, 12mm
Flushing Hole Qty: 4
Trademark: Prodrill
Specification: CE, SGS
Origin: China
HS Code: 82071990

Product Description

Product description:
(1) Made from high alloy steel 45CrNiMoV and YK05  tungsten carbide as same with world famous brand 
(2) Apply "hot (thermal) -insertion" processing procedure to insert the button as 
(3) Entire CNC processing procedure ensure the quality consistency 
(4) Military grade requirements of heat-treatment guarantee durability
(5) Fast penetration rates,  and straight and clean hole quality, longer drilling life

Threaded Button Bits also named Top hammer bits for penumatic or hydraulic drill rig. 
We offer a wide range of button bits, the follow specification table to see the different sizes. All of the top hammer bits are avalible with parabolic or hemispherical inserts.

I. Thread Button Bits Profile 


1) Thread connection: R22, R25, R28, R32, R38, T38, T45, T51.

2) Steel material: 45CrNiMoV.

3) Suitable cemented carbide tips.  Dome & Ballistic at most.

4) Bits diameter: 41-127mm.

5) Suitable for Top hamer drill rig, with powerful percussive impact. As Like Tamrock DQ500, DQ102.

Specification : 

Top hammer bits with T38 / R38 thread

Part numberDiameterButtonsButtonsFlushing  gaugeFlushing   rontBodyFront
38T64RD64mm8x10mm 4x10mm 1x8mm 04RetrackDropcenter
38T76RD76mm8x12mm 5x11mm04Retrack Dropcenter
38R64RD64mm8x10mm 4x10mm0RetrackDropcenter 
38R76ND 76mm8x12mm5x11mm04NormalDropcenter 

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