The Easiest Way to Drill Centered Holes in Round Material

The Drill Rite Precision Drill Guide is designed to allow the user to drill precise holes in tubing, pipe and round stock using a portable electric hand drill. Originally developed for use in the aircraft industry, this jig will allow you to quickly and easily drill holes in pre-existing chassis tubing, framework, or any other round profile. It will fit any round tube, pipe, or stock material from 1/2 to 2-1/2 inch OD and includes hardened drill bushings for 3/16 inch and 1/4 inch holes.
See the Accessories tab for additional 5/16 and 3/8 drill bushings.

https://www.trick-tools.com/Drill_Rite_Precision_Drill_Guide_Drill_Rite_1155

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