cap piece

cap piece

[′kap ‚pēs]
(mining engineering)
A piece of wood fitted over a straight post or timber to provide more bearing surface.

capping piece, cap piece, cap plate

A piece of timber covering the heads of a series of uprights or other vertical structure.
References in periodicals archive ?
Tenders are invited for Set Of Shims For Cap Piece Pinion For Wap-5 Loco Each Set Consisting Following Three Items:- 1 Shim As Per Sr.
I couldn't help watching one of the workers cap pieces of steel pipe one after the other.