CODUPAX

CODUPAX T-Bolt & Rear Clamp Kit for Hard Truck Tonneau Covers — 2-Pack Stainless Steel M6, No‑Drill Clamp-On

High-performance automotive accessories made for confident daily results

$34.98

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Why customers choose NorthTrail Auto

CODUPAX stainless steel T-bolt and rear clamp kit is a two-piece replacement set designed to secure most hard tri-fold and quad-fold truck bed covers without drilling.

This replacement and accessory kit supplies the common mounting hardware needed to fasten hard tonneau covers that use rear clamps and T-bolts. Crafted from M6 stainless steel bolts and durable plastic clamp bodies, the kit focuses on weather resistance and straightforward installation. Before ordering, compare your cover's dimensions to the measurements shown in the product images to ensure compatibility.

Will this clamp kit fit my hard tri-fold or quad-fold cover?

These clamps are made to match the majority of popular hard tri-fold and quad-fold tonneau covers, but not every make or model uses the same attachment geometry. Confirm the size diagram in the product photos and measure your cover's mounting points to be sure.

  • Includes two rear clamps that mirror the common factory-style locking points
  • M6 T-bolts are standard size for many hard-cover rails and brackets
  • Check the image measurements against your cover before purchase to avoid fit issues

How easy is installation — do I need to drill or use special tools?

Installation is intended to be simple and clamp-on, requiring no drilling into the truck bed or cover frame. Most users can install the clamps with basic hand tools like a socket or wrench to tighten the T-bolt.

  • No drilling required: clamp-on design preserves factory surfaces
  • Use a standard wrench or socket for the M6 T-bolt tightening
  • Adjustable clamp jaws allow for quick alignment and secure tightening

What materials and weather protection do these parts offer?

The kit pairs M6 stainless steel T-bolts with engineered plastic clamp bodies to balance corrosion resistance and strength. The materials resist water and road weather to help maintain a stable hold over time when properly installed.

  • M6 stainless steel bolts reduce rust risk in wet conditions
  • Durable plastic clamp bodies withstand road vibration and impact
  • Designed for exterior use with water- and weather-resistant properties

What’s included and what should I expect in the box?

The package contains two clamp assemblies as shown in the pictures — enough to replace the common rear clamp points on many hard covers. If additional hardware is required for your specific cover, consult the manufacturer or measure mounting hardware before ordering.

  • 2 x rear clamp assemblies (as pictured)
  • M6 T-bolts pre-sized for common tonneau rails
  • Instructions for clamp alignment and tightening supplied or downloadable

Who is this for: This kit is aimed at truck owners who need a straightforward replacement or upgrade for worn or missing rear clamps on hard tri-fold or quad-fold tonneau covers. It's a good choice for DIY installers who prefer non-invasive clamp-on solutions and for anyone looking to restore secure fastening without modifying the truck bed. If you're unsure about fit, measure your cover's mounting points and compare them to the images before purchasing, or contact CODUPAX direct for guidance.

FAQ

Q: Are tools required to install these clamps?

A: Basic hand tools like a wrench or socket for the M6 T-bolt are needed; no drilling required.

Q: Will this kit fit all hard tonneau covers?

A: It fits many tri-fold and quad-fold covers, but check the product images and your cover measurements first.