89mm T45 Ballistic Button Bit Retrac T45 Drill Bits For ...
89mm T45 ballistic button bit Retrac t45 drill bits for mining: Details: 1, Material : Tugestun Carbide + Top quality Alloy Steel . 2, Workmanship : Hot pressed & Cold pressed. 3, Advantage : Quality can compare with world's famous brand . Application: Tunnel , Blasting , …
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