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GMC CarbonPro Tonneau Cover Drill Guide preview

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CarbonPro_Drill_Guide.stl
STL
143.1 KB

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Tools & Jigs

GMC CarbonPro Tonneau Cover Drill Guide

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CC BY
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The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

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Description

This drill jig is used on GM CarbonPro equipped trucks to locate and drill the hole for mounting a tonneau cover. You'll need a M6 J-Nut insert from Amazon and a corresponding M6-1 flange bolt. - Amazon M6 U-Nut: https://www.amazon.com/gp/product/B00C3MUY9K - Amazon M6-1 Flange Bolt: https://www.amazon.com/gp/product/B0040CWWS2 Along the bed rail under the plastic cap are six locations, 5 require the J-Nut and drilled hole through the bed rail cover. Drill the initial hole with a 1/4" drill. You may want to increase the hole diameter to 5/16" for a little more clearance during installation..

Compatible Vehicles

Published Jun 27, 2026Updated Oct 6, 2026

Originally published on thingiverse.com by Steve Dertien (DERTY_Garage) · License: CC BY

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