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8 Inch High Air Pressure DTH Hammer Button Bits , COP84 DHD380 SD8 QL80 M8 Mission80 Hard Rock Drill Bits

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Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button Bit

Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button Bit
BESTLINK company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.
Drill and blast engineers and water well contractors trust BESTLINK's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.

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Model:
Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button Bit
Brand:
Bestlink

Product Description

Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button Bit

BESTLINK company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.

Drill and blast engineers and water well contractors trust BESTLINK's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.

Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button Bit dth hammer bit 12

Features of BESTLINK made DTH(down the hole) hammer bit:

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and YK 05 tungsten carbide which is same grade as internationally well-known brand.

(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand,

(4) Entire CNC processing procedure ensure the quality consistency and reliable.

(5) Top grade requirements of heat-treatment guarantee durability, specific heat treatment standards and special "stress relief" processes ensure consistent performance.

(6) Designed for maximum performance and hole cleaning ability and high penetration rate.

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)
HD85(DHD380,Cop84)	195	3	9×φ18	9×φ18	34.0
	203	2	10×φ18	10×φ18	36.0
	216	3	12×φ18	12×φ18	45.0
	254	3	12×φ18	20×φ18	58.0
	305	4	12×φ18	30×φ18	75.0
SD8	195	3	9×φ18	9×φ18	33.0
	203	3	10×φ18	10×φ18	37.0
	216	4	12×φ18	12×φ18	42.0
	254	4	12×φ18	20×φ18	53.0
	305	4	12×φ18	30×φ18	80.0
QL80	195	3	9×φ18	9×φ18	33.0
	203	3	10×φ18	10×φ18	37.5
	216	4	12×φ18	12×φ18	42.0
	254	4	12×φ18	20×φ18	54.0
	305	4	12×φ18	30×φ18	82.0
Mission80	195	3	9×φ18	9×φ18	—
	203	3	10×φ18	10×φ18	—
	216	4	12×φ18	12×φ18	—
	254	4	12×φ18	20×φ18	—
	305	4	12×φ18	30×φ18	—