Well drilling bit
From us you can buy drill bits for core drilling of hard soil layers, carbide cutting bits VK8 body made of steel 45, thread GOST 6238-77 grade SM-2 diameter f151 in stock 293 pcs, ST f151 254 pcs, SM4-151 -29 pcs, crown f93 -30 pcs, crown ST2 f112 510 pcs, SM112
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