Essential details

Condition:: New

Warranty:: Unavailable

Applicable Industries:: Construction works , Energy & Mining

Showroom Location:: None

Video outgoing-inspection:: Provided

Machinery Test Report:: Provided

Marketing Type:: Ordinary Product

Place of Origin:: Guizhou, China

Brand Name:: SINODRILLS

Type:: DRILL BIT

Machine Type:: Drilling Equipment

Material:: Carbon steel

Processing Type:: Forging

Use:: Ore Mining

Product name:: QL50 DTH bits 168mm

Application:: mining

Diameter:: 168mm

Face design:: concave

Button shape:: spherical

Shank:: QL50

Certification:: ISO9001:2008, ISO9001

Usage:: high air pressure DTH drilling

Advantage:: High productivity

Local Service Location:: None

Product Description

The DTH drill bits are the tools cutting rock. Sinodrills DTH drill bits are made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH drill bits are using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear. In addition art manufacturing technology makes our QL50 DTH drill bits with higher and more reliable quality.

Different face style makes DTH drill bits suitable for various rock conditions.

Flat face: This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemi-spherical buttons design is the most popular choice.

Convex face: A classic design for soft to medium hard rock formation which is not so abrasive. This design have very excellent penetration rate but poor in hole deviation if rocks are hard.

Concave face: Medium hard to hard rock formations which is less abrasive and fractured. Especially for deep hole drilling, excellent control over hole deviation.

DGR face: A special design for hard or very hard rock conditions, double gauge row buttons provide very excellent ware-resistance and very longer life time. It is usually used for some bigger diameter DTH drill bits.
Besides, we are manufacturing the DTH drill bits with various shanks so they can be compatible with different DTH hammers.

Shank style	Diameter in mm	Flat face	Convex face	Concave face	Approx. weight	Part number
QL 40	105	√	√	√	9.9 kgs	QL 40-105
	110	√	√	√	10.1 kgs	QL 40-110
	115	√	√	√	10.2kgs	QL 40-115
	120	√	√	√	10.5 kgs	QL 40-120
	127	√	√	√	11.2 kgs	QL 40-127
QL 50	135	√	√	√	16.2 kgs	QL50-135
	140	√	√	√	16.6 kgs	QL50-140
	146	√	√	√	17.1 kgs	QL50-146
	152	√	√	√	17.8 kgs	QL50-152
	165	√	√	√	18.0 kgs	QL50-165
QL 60	152	√	√	√	22.3 kgs	QL60-152
	165	√	√	√	24.4kgs	QL60-165
	171	√	√	√	24.8 kgs	QL60-171
	190	√	√	√	29.0 kgs	QL60-190
	203	√	√	√	33.0 kgs	QL60-203
QL 80	203	√		√	48.5 kgs	QL80-203
	216	√		√	50.1 kgs	QL80-216
	241	√		√	60.1 kgs	QL80-241
	254	√		√	62.5 kgs	QL80-254
	292	√		√	85.0 kgs	QL80-292
	305	√		√	83.9 kgs	QL80-305

Bit size	Shank type	Recommended DTH bits diameter
3.5”/3” DTH hammer bits	COP34, DHD3.5, MISSION30, BR3 shank	90mm~ 105mm
4” DTH hammer bits	DHD340, QL40, MISSION40, SD4 shank	110mm~ 130mm
5” DTH hammer bits	DHD350, QL50, MISSION50, SD5 shank	134mm~ 152mm
6” DTH hammer bits	DHD360, QL60, MISSION60, SD6 shank	152mm~ 203mm
8” DTH hammer bits	DHD380, QL80, MISSION80, SD8 shank	203mm~ 305mm
12” DTH hammer bits	DHD112, SD12 and QL120 shank.	Available upon to customers’ request