guide rod

guide rod

[′gīd ‚räd]
(mining engineering)
A heavy drill rod coupled to and having the same diameter as a core barrel on which it is used; gives additional rigidity to the core barrel and helps to prevent deflection of the borehole. Also known as core barrel rod; oversize rod.
References in periodicals archive ?
The recoil spring guide rod of the Kimber Master Carry Pro is of the so-called "full-length" type, which means it protrudes out the front of the slide when the slide moves rearward in recoil.
Ambisafeties, extended safeties or standard safeties are offered, as well as standard recoil spring/plug or full-length recoil guide rod systems.
40 caliber Smith & Wesson M&P guide rod laser has been added to LaserMax's family of guide rod laser-aiming systems.
Changeover is straightforward and can be accomplished in about 15 min with the aid of a crane by undoing and then refastening four bolts along each guide rod.
Bush For Tamping Unit Guide Rod Acceptable Make: Plasser Or Equivalent
They had learned how to harness the green laser, and then they combined it with the original LaserMax product, one that had somehow slipped away from them, the Guide Rod Laser.
Early reports of Recoil Master breakage have been successfully addressed by improved metallurgy, deeper threading of the guide rod elements, and larger component parts.
The Series features Strike Two capability, quick fieldstripping with takedown levers, forged slide and captured recoil spring with stainless-steel guide rod.
Internally, the stock guide rod was replaced with a solid-steel Wolff rod, and the recoil spring was replaced with a heavier spring.