Overview
In mineral exploration, the hydraulic chuck is the heart of the drill rig’s lifting and pulling capacity. Sub-standard inserts wear out prematurely, leading to rod slippage that delays tripping times and damages drill casing. Our ZF-series slip inserts are CNC-machined within micron tolerances to ensure even clamping pressure across the entire jaw assembly, preventing localized stress on your drill string.
Technical Specifications & Cross-Reference Table
We stock and supply standard specifications tailored to meet the exact requirements of your drill fleet:
| OEM Style Reference | End Profile Design | Precise Dimensions (L × W × T) | Compatible Rig & Chuck Applications |
| Longyear / Epiroc | Two ends straight | 21.7*9.0*6.4mm | Fits Longyear LF70, LF90, LM75, and related hydraulic chuck assemblies. |
| Boyles | One end round | 28.8*9.05*6.4mm | Fits Boyles C5, C6, C8 series heavy-duty surface exploration rigs. |
| Christensen | Two ends round | 28.8*6.2*6.35mm | Fits Christensen series standard core drill chucks and foot clamps. |
Key Features & Structural Advantages
Premium Steel Metallurgy: Crafted from high-grade alloy tool steel, specifically chosen for its resistance to both impact fatigue and abrasive wear by drilling mud and rock cuttings.
Tailored End-Profiles: Whether your equipment requires straight-cut or rounded ends (one end or two ends round), our inserts strictly replicate the original design to ensure smooth sliding and seating within the chuck jaws.
Self-Cleaning Geometry: The cross-cut grid between teeth acts as a natural channel to expel grease, water, and debris, ensuring a direct metal-to-metal bite every time the chuck closes.
Strict Quality Control: Each batch undergoes rigorous non-destructive testing (NDT) to eliminate internal micro-cracks, ensuring maximum safety during deep-hole operations.
Ordering Information
To expedite your quote, please let our sales team know:
Your Required Part Dimensions
Order Volume: Available in individual sets or bulk quantities for international distributors.
Customization: Need these exact dimensions but with an upgraded Tungsten Carbide surface? Contact us for specialized custom manufacturing options.
