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1. high quality materials, 2. scientific forging, 3. heat treatment, 4. safty and economy - details see: https://www.machineto.com/y8-pneumatic-rock-drill-10313557

Applications:
The YT28 pneumatic rock drill machine is a kind ofhigh efficiency hand-hold rock drill machinery.
It ismainly used forblasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defense project facility.
It issuitable fordrilling and blasting under various of rocks at any direction angles. Blast hole dial is 34-42mm,drill hole depth is 5 m.
Features
1. Air leg rock drill widely used in coal, metallurgy, railway, transport, water, infrastructure and national defense projects of various levels of rock, tilt, down the hole drilling operations
2. The use of modern design means,performance of each product is optimized.
3. For all operating agencies were arranged according to ergonomic principles, to ensure that the products of high-performance, high efficiency and convenience of operation, security.
4. Quality materials and scientific and forging, all reflect the "quality " content, to ensure that the products of high strength, high wear resistance and impact resistance.
5. CNC machining, Uncase automatic line treatment, given "quality" of the guarantee and the "tough" self-confidence.
6. Computer-controlled drilling machine from the factory run test bed, grasp the dynamic characteristics of each product to avoid the occurrence of human error to ensure that the manufactured products of excellent quality and superior performance.

Machine specificatio

Weight	6.8kg
Full length	428mm
Operating air pressure	0.4-0.63Mpa
Inner diameter of air pipe	13mm
Diameter of drill bit	20-24mm
Air consumption	<9.0L/S	Air pressure at 0.4Mpa
Rock drilling rate	180mm/min	Drill bit diameter of 20mm
The machine is for B15-2.8-4 drill rod or 2017-2.8 overall drill rod