R28-48mm Tungsten Carbide Drill button Bits For Drifting Drilling

Brand Name:MIROC
Certification:ISO9001
Model Number:4148300437-4148300520
Minimum Order Quantity:50 Pieces
Delivery Time:10-22days
Payment Terms:T/T, L/C, D/A, D/P, Western Union, MoneyGram
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times: within 1 hours
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Product Details

Prpduct Describtion


ProductR28 Button bit
Diameter48mm
Buttons3x8mm,6x9mm
Flushing hole No.Front 1, Side 3.
Weight1 KG
ColorGreen (customized according to customer needs)

Thread button 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. Besides, 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.


1) Thread Types: R25 R28 R32 T38 T45 T51...

2) Alloy steel:45CrNiMo

3) Suitable carbide tips YK05

4) Diameter: 30-127mm

5)Technology:hot-pressing or welding

6) Suitable: drifting and tunneling, bench drilling



R28 button bit
Bit Dia.Buttons and Size (mm)Flushing HoleWeight
mmFrontGaugeFrontSidekg
1372×75×9110.5
2382×75×9110.6
3412×85×9110.7
4432×95×9120.8
5452×95×10120.9
6482×95×11121
R25 button bit
Bit Dia.Buttons and Size (mm)Flushing HoleWeight
mmFrontGaugeFrontSidekg
1332x75x7110.4
2352x75x8110.4
3382x75x8110.5
4412x85x9120.6
5452x85x10120.6





KSQ Related Rock Drilling Tools

(1) Integral Drill Rod– chisel bit integral rod and plug hole integral drill steel,

Shank H19 x 108mm and H22 108mm.


(2) Tapered Rock Drill Tools - chisel bit, cross bit, button bit, drill rod of taper 7, 11, 12 degree


(3) Threaded Rock Drill Tools - button bit, retrac button bit, drop center button bit, dome bit, reaming bit,extension rod, MF-Rod, Hex rod, coupling sleeve, crossover coupling of thread R25, R28, R32, R38, T38, T45, T51, ST58, ST68.


(4) Shank Adapters (Striking Bars) - equivalent to Atlas Copco, , Furukawa, Gardner Genver, Ingersoll Rand etc.


(5) Down-the-hole (DTH) Bits& Hammers - 3'', 4'', 5'', 6'', 8'' hammer and DTH button bit (diameter 80mm - 305mm)


Other products: Tricone bits, PDC bits, self- drilling hollow anchor bar etc.


China R28-48mm Tungsten Carbide Drill button Bits For Drifting Drilling supplier

R28-48mm Tungsten Carbide Drill button Bits For Drifting Drilling

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