Product name: 219mm MK5E Overburden Concentric Casing Drilling With DHD 360 Hammer For Construction Product Category: Casing drilling tools Matched hammer: Hammer DHD360 Casing pipe OD: 219MM It is suitable for ... Read More
Product name:High Carbon Steel MK3E133mm overburden eccentric drilling bit for construction Casing pipe OD: 133mm When simultaneously drilling and casing through loose overburden materials, our casing drilling ... Read More