dhd380 drill bits

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1.15 years focus on rock drill bits manufacture. 2.High quality steel. 3.High abrasion resistant cemented carbide. 4.Advanced heat treatment technics....

Product name: 188mm DHD380 Shank DTH Hole Opener Drill Bit For Rock Drilling Tools Product category: DTH drill bit Matched connection: DHD380 Shank Re...

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Surface Set Drill Bits 3-1/2 Inch Nature Drill Bit For Hard Rock Drill Bit 1 . Descriptions: The main types of fixed drill bits are: PDC (polycrystall...

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Product Description: Tricone Drill Bit is a type of HDD drill bit, used in construction works, energy & mining industry. It has superior performan...

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Black Finished Hole Drill Bit , DIN 340 Parallel Shank Countersink Drill Bit A twist bit is the most common type of drill bit for home use. It works f...