Cobra 420R 3 16 bolt anchor with 2.5 inch Screw 10 Pack Zinc Finish

Description

Product Overview

The Cobra 420R 3 16 bolt anchor is engineered for superior performance in a wide range of construction and renovation projects. Constructed from solid zinc‑finished steel, each anchor delivers corrosion resistance and long‑term durability. The package includes ten anchors and matching 2.5 inch screw bolts, each featuring a flat pan head that distributes load evenly across the substrate. The unique strap design simplifies insertion and flipping, allowing installers to secure the anchor quickly and confidently. With a Grade 2 material classification and a 2A thread class, the anchor meets industry standards for strength and reliability.

Usage

These anchors are ideal for fastening fixtures to hollow walls, including drywall, plaster, and lightweight concrete up to three inches thick. Common applications include mounting electrical boxes, shelving units, handrails, and decorative hardware in residential, commercial, and industrial settings. The 3 16 inch diameter provides ample bearing area, while the 2.5 inch screw length accommodates a variety of fastener lengths, ensuring a secure grip even in demanding load conditions. Installers appreciate the straightforward two‑step process: drill a ½ inch hole, insert the anchor, and tighten the screw until the strap flips and locks in place.

Why Choose Us

Choosing the Cobra 420R means selecting a product backed by rigorous quality control and a reputation for reliability. Each anchor undergoes precise machining to maintain consistent thread dimensions and a smooth surface finish, reducing the risk of cross‑threading and ensuring a tight fit. The zinc coating not only protects against rust but also adds a sleek, professional appearance suitable for visible installations. Our commitment to customer satisfaction includes responsive technical support, a clear return policy, and detailed installation guides that help both seasoned professionals and DIY hobbyists achieve optimal results.

Key Features

• Solid zinc‑finished construction resists corrosion for long‑term durability.
• New strap design enables fast, tool‑free insertion and secure flipping.
• Compatible with any 2.5 inch screw length, offering flexibility for various applications.
• Designed for hollow walls up to 3 inches thick, delivering strong holding power.
• Backed by responsive customer support and a hassle‑free return policy.

FAQ

What wall thickness can the Cobra 420R anchor accommodate?

The anchor is rated for hollow walls up to three inches thick, making it suitable for most residential drywall and light‑weight concrete applications.

Do I need a special tool to install the anchor?

No special tools are required. A standard ½ inch drill bit for the pilot hole and a screwdriver or drill to tighten the screw are sufficient.

Can I use a longer screw with this anchor?

Yes, the anchor works with any screw up to 2.5 inch in length, allowing you to select the appropriate fastener for your specific load requirements.

Is the zinc coating safe for indoor use?

Absolutely. The zinc finish provides corrosion resistance without emitting harmful substances, making it safe for indoor installations.

What warranty does Cobra offer on this product?

Cobra provides a limited one‑year warranty covering manufacturing defects, ensuring you receive a reliable product backed by the manufacturer.