QL50 152mm High Efficiency DTH Drill Bit with Carbide and High Manganese Steel for Mining

Price Negotiable

Price: $3-$300

MOQ: 1 Piece

Delivery Time: 10-15 days

Brand: MTH

Product Description

QL50 152mm High Air Pressure DTH Mining Drill Bit High Efficiency

Product Information

Our DTH hammer and bits are compatible with CIR, DHD, QL, SD, Mission, and other series from Atlas Copco and similar manufacturers. Designed for high efficiency with low failure rates and extended service life, these bits deliver economical drilling performance even in high hardness, high abrasive rock formations and other challenging conditions.

Available DTH Bit Types

Bits for Low Pressure DTH Hammers
Bits for Medium & High Pressure DTH Hammers
Bits for High Efficiency High Pressure DTH Hammers

Front Shape Options

Concave Front: Ideal for all rock formations, particularly medium-hard and uniform conditions.

Flat Front: Designed for very hard rock and abrasive conditions.

Convex Front: Best suited for soft to medium-hard rock with reduced body wear.

Tungsten Carbide Button Types

Spherical button (gauge button) - for very hard rock
Ballistic button (front button) - for medium abrasive, medium hard rock
Parabolic button (front/gauge button) - for medium abrasive, hard rock
Flat button - for gauge protection

Specifications

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