Kestrel 14 - NWL Core Drill Bit - Standard

Name: Kestrel 14 - NWL Core Drill Bit - Standard
Brand: China Drill
SKU: NQWCDB014
Price: 203.0 USD
Availability: InStock

$203.00 USD

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Wireline core drilling systems are often used for medium to very-deep boreholes, which provides the most efficient core sample extraction from the rock mass, without pulling the entire drill string. The rock sample is removed from the bottom of the hole in the inner tube assembly by an overshot on a wireline cable, saving time and money doing so.

The NWL core barrel has an overall diameter of 75.7mm or 4 Inches, with a coring (inside) diameter of 47.6mm or 1.87 Inches. The sturdy barrel and decent sample size makes NWL a great choice of wireline core extraction.

This bit is part of the Kestrel Series. The Kestrel 14 is forged with the diamond extremely exposed from the bit matrix, meaning this series of Coring Bit is built for very hard formations, making it more effective for drilling through rocks such as hard Gneiss. Granite, Basalt, Gabbro and Rhyolite.

Drill-Its Kestrel set of drill bits are our range of Standard Wireline coring tools, meaning that they use Core Barrel Drill-Line Inner Tube Plastic Liner consisting of a clear, thin-wall extruded rigid plastic tube of which by accurate manufacturing processes is manufactured to close tolerances on both the outside and the inside diameters. Clearance between the O.D. of the “Drill-Line'' and I.D. of the Core Barrel inner tube is therefore carefully controlled and allows easy fitting of the Plastic Tube into the inner tube in the field. When the clear plastic material is used (inserted) it will not contaminate the Core sample during drilling and encapsulation. The material does not absorb water and will not swell or change shape.

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Selecting The Right Bit

Please refer to the following graphs to establish if the bit you are purchasing is right for the job.. The following graphs demonstrate what series of core drill bit and what drill bit profile would be appropriate for differing rock formations.

Kestrel Coring

The Drill-It collection of Kestrel coring tools are our range of high quality coring drill bits that are specifically engineered for Set to Liner usage. Developed to the customers requirements, they are perfect for tackling the toughest rock drilling conditions seen around the world.

Impregnated diamond core bits are more frequently used for exploratory drilling than any other bit. The benefits are many, with lasting longer before wearing out in hard rocks formations is perhaps the best reason.

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