Dth ড্রিল বিট মাঝারি এবং উচ্চ চাপ টংস্টেন কার্বাইড

Video Description:
Discover the ND Series Middle and High Pressure DTH Hammer Bit Tungsten Carbide DTH Drill Bit, designed for optimal rock drilling performance. This high-quality drill bit ensures excellent rock breakage, high penetration rates, and long service life, making it ideal for mining, construction, and water well drilling applications.
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