171 - 180 of 199
273mm casing drilling system
Selling leads
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... name: Single-use 127mm Overburden Casing drilling ringbit Product category: Overburden casing drilling system Matched hammer: Hammer DHD340 ...
2026-06-20 00:28:18
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... Matched casing pipe OD: 108mm MNS Sliding five-piece concentric overburden casing drilling system feature: When the guide bit reaches to the rock ...
2026-06-20 00:28:18
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...concentric overburden casing drilling system for hammerDHD340 shank Product category: Overburden eccentric casing bit Matched hammer: Hammer DHD340 ...
2026-06-20 00:28:17
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...casing drilling bit with 3 middle reamers Product category: Concentric casing drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: ...
2026-06-20 00:28:18
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...Complex layer 146mm concentric casing drilling bit for construction Product category: Overburden concentric casing bit Matched hammer: Hammer ...
2026-06-20 00:28:18
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...casing drilling bit with 3 reamers for piling Casing tube OD: 406mm Product components: 1. Pilot bit+3PCS wiggle wings+casing shoe 2. Pilot bit...
2026-06-20 00:28:18
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...casing drilling bit with 4 wings MNX, Symmetric Casing System with Blocks Product model: MNX Slide block wings casing bit Materials: Alloy steel, ...
2026-06-20 00:28:18
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... OD: 146mm The Overburden Drilling System typically uses a casing or liner that is advanced into the ground simultaneously with drilling to prevent ...
2026-06-20 00:28:17
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... pipe to the hole to protect wall to achieve drilling work. At clockwise condition, eccentric part expanded to bring the casing tube into hole. ...
2026-06-20 00:28:18
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.... The wings are retracted by reverse rotation. Product components: 1. Pilot bit+3PCS wiggle wings+casing shoe 2. Pilot bit+4PCS wiggle wings+casing ...
2026-06-20 00:28:18
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