core drill

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core drill [′kȯr ‚dril]

(mechanical engineering)

A mechanism designed to rotate and to cause an annular-shaped rock-cutting bit to penetrate rock formations, produce cylindrical cores of the formations penetrated, and lift such cores to the surface, where they may be collected and examined.

core drill

A drill used to remove a sample of rock in situ, for determining bedrock profiles or for obtaining a core for testing; the sample is retained in the core barrel.

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No references found			These drill bits types are the center drill bits, the twist drill bits, and the core drill bits. Right Choice for Drill Bits by Dave Text / Home based business community Coremaster core drills cut freely at high speeds and are able to straighten a cored hole in one pass, eliminating a finish pass. Indexable drills. (Cutting: Tool Talk) by Tooling & Production Examples are center drill bits, twist drill bits, and core drill bits. Beneficial Tips for Using Various Types of Drill Bits by Dave Text / Home based business community			corduroy work cordwood cordwood module Cordyceps ophioglossoides Cordyceps sinensis Cordylidae Cordyline cordylite Core Core 2 core analysis core area core array core bank core barrel core binder core bit core blower core boring core box core bracing core cancer core catcher core cutterhead core drier core drill Core Drilling core driver core dump Core Duo core electron core flow core frame core frequency core gateway core gripper core hitch core hole Core i3 Core i5 Core i7 core image core intersection core interval core iron Core iX core leak core lifter core logging core logic core loss			Core Components Cleaning System Core Components Working Group Core Computational Facility Core Conduction Cooldown Test Facility Core Conflictual Relationship Theme Core Consistency Diagnostic Core curriculum Core Curriculum Assessment Program Core Curriculum Content Standards Core Curriculum Test Core Custody System core cutterhead Core Damage Frequency Core Data Analysis Toolkit Core Data Services Core Data Sheet Core decompression Core Democratic Value Core Deployable Element Core Deposit Intangible Core Depot Assessment Core DIS Facility Core Document core drier core drill Core Drilling Core Driven Fan Stage core driver core dump core dump core dumps core dumps Core Duo Core earnings Core electron Core Electron Binding Energy Core Electron Energy Loss Spectroscopy Core electrons Core Element A Core Enterprise Service Core enzyme Core enzyme Core enzyme Core Essentials Fast Track Program Core Evaluation Team Core Exit Thermocouple Core Experiment Core Extraction Distributed Ad-Hoc Routing core factor Core Fighter Core file Core file Core Financial and Logistics System Core Financial and Other Business Systems Support Center

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