drill drift

[′dril ‚drift]

(engineering)

A steel wedge used to remove tapered shank tools from spindles, sockets, and sleeves.

References in periodicals archive ?

Tenders are invited for Quotations In E-Mode Are Invited For Supply Of Drill Drift At Beml, Mysore Complex

Quotations in e-mode are invited for supply of drill drift at beml, mysore complex

Other mining method names are merely variations or closer definition of others (Sublevel Stoping is typically Blasthole carried out with more than one drill drift per level interval and Sublevel Retreat simply defines the direction of the mining).

Mining methods

This will allow each subsequent stope, downwards, to have its drill drift developed in the bottom of the fill in the stope above.

Eagle point

The company is now drilling to better define North A's potential at depth, with drill drifts established on the 535 m and 610 m levels to give access to the structure down to 1,000 m.

Lake shore builds its reserves: in an area of Northern Ontario with a century of gold production, Lake Shore Gold is working hard to turn new-found resources into bullion in the bank

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