4 Inch DTH Drilling Tools TD40 Marble Quarrying Rock Hammer Button Drill Bit
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Product Application: DTH hammers and bits are widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain. Product Description: TD40 DTH Hammer Bits
Our Products Advantage: [1] Appearance: Since the heating process has a complete and stable
process, the appearance of the product can be kept consistent, and
the appearance will not be angular and will not hurt the hand. [2]Product intrinsic: The service life has completely exceeded atlas
and sandvic. [3] QC:4 times inspection and 1 test. [4] First inspection: quality management will conduct all inspections
at the beginning of product production [5]Sampling inspection: the product will be sampled during processing [6] Quality inspection: Full inspection is performed every time the
next process is delivered
[7] Final inspection: the product is sent to the inspection room
for final inspection
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