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High-Volume Gun Barrel Drilling

The DeHoff G548-D4 is a four spindle gundrilling machine designed for high-volume production of gun barrels. It features automated loading and unloading of the barrels to enable long periods of unattended production. Up to 48 barrels can be pre-loaded into a magazine holder, and lift-and-carry automation is used to load the barrels in and out of the fixturing.

The G548-D4 has four gundrilling spindles with a barrel diameter range from 17 to 50 caliber, and a maximum barrel length of 27" (686 mm). The machine incorporates a cast iron drill head base with hardened and ground steel box ways, plus hand-scraped and fitted saddle, gibs and straps (versus linear guide ways and milled surfaces). This results in increased vibration damping and extended tool life.

The G548-D4 is part of a turn-key package of gun barrel manufacturing equipment offered by DeHoff, including machines for gundrilling, pull-reaming, button rifling, cut rifling, as well as tooling, stress relieve ovens and air gauging equipment.

DeHoff machines are built-to-order by Kays Engineering in its Marshall, MO, facility.

For more information contact:

Kays Engineering, Inc.

900 Industrial Dr.

Marshall, MO 65340


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