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Integral drill rod
Ball tooth drill bit
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55SiMnMo high-end hollow hexagonal drill rods with taperd
55SiMnMo medium-end hollow hexagonal drill rods with taperd
80Cr hollow hexagonal drill rods with taperd
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Integral drill rod
2024-09-06
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01
55SiMnMo high-end hollow hexagonal drill rods with taperd
2024-01-30
view detail
01
55SiMnMo medium-end hollow hexagonal drill rods with taperd
2024-01-30
view detail
01
80Cr hollow hexagonal drill rods with taperd
2024-01-30
view detail
