Galvanized Screws | McMaster-Carr

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688 Products

Fasteners

Low-Strength Steel Hex Head Screws

About half as strong as medium-strength steel screws, these screws can be used for light duty fastening applications, such as securing access panels.

Medium-Strength Steel Heavy Hex
Head Screws for Structural Applications

The most common heavy hex head screw, these steel screws meet ASTM A325 regulations for structural joints, such as mating I-beams and scaffolding.

Metric High-Strength Steel Heavy Hex
Head Screws for Structural Applications

Designed for construction and exterior building applications, these metric screws are often used to join I-beams and scaffolding. Their partial threading leaves an unthreaded portion that is strong enough to stand up to the sideways forces of joints.

Steel Hex Head Screws for Wood

These steel screws have corrosion-resistant finishes.

Steel Flanged Hex Head Screws for Wood

These steel screws are hot-dipped galvanized to resist corrosion in wet environments.

Low-Strength Steel Square-Neck Carriage Bolts

About half the strength of medium-strength bolts, these Grade 2 bolts are for light duty fastening. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.