What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
What kinds of drill pipe can be divided into? The drill pipe is a steel pipe with thread on the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of t
How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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QL50-152
ROSCHEN
QL50-152
Product Description
DTH drill Bit-QL50-152
Product description
CODE NO. | QL50-152 |
Shank type | QL50 |
Diameter | 152mm |
air holes | 2 |
gauge buttons | 8*17mm |
face buttons | 8*14mm |
Bit face type | Flat |
carbide design | Dome/semi-ballistic |
approx. weight | 17Kgs |
QL shank DTH drill bit of rock drilling tools with flat face, 8 dome & 7 ballistic carbide buttons for blasting bore holes, water well drilling.
ROSCHEN manufactures rock drill bits DTH Hammer Bits with QL shank type are available in a various range of sizes and with a number of custom design features for optimum performance in a rock formation.
Flat Face Bit
An universal design, especially for hard and abrasive rock formation. Normally, flat face with hemispherical buttons design is the most popular choice.
This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
Shank type: QL40, QL50, QL60, QL80 ; and DTH bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).