Tapcon® 5/16 in. x 2‑3/4 in. Hex Washer Head Concrete Screws – 50 Count

These heavy‑duty 5/16 in. x 2‑3/4 in. Tapcon® Hex Washer Head Concrete Screws are engineered for superior holding power in concrete, brick, and block. Designed to cut their own threads during installation, they deliver strong, vibration‑resistant anchoring without the need for inserts or expansion hardware.

The hex washer head provides enhanced driving stability, reducing the risk of stripping or cam‑out under load. A corrosion‑resistant Blue Climaseal® coating helps protect against rust and environmental wear, making them suitable for both indoor and outdoor applications. This 50‑count box offers excellent value for contractors completing mid‑volume fastening projects that demand strength, consistency, and reliability.

Key Features

5/16‑inch large‑diameter design for maximum holding strength in demanding applications
Hex washer head ensures optimal torque transfer and reduced driver slippage
Thread‑forming design cuts into concrete, block, and brick for secure, high‑grip anchoring
Blue Climaseal® corrosion‑resistant coating enhances durability in harsh environments (consistent with verified Tapcon lines)
Requires no inserts, shields, or sleeves, reducing installation time
Ideal for heavier fixtures, including brackets, supports, conduit straps, ledger boards, and mechanical mounts

Specifications

Attribute	Value
Diameter	5/16 in.
Length	2‑3/4 in.
Head Style	Hex Washer Head
Material	Hardened carbon steel (typical for Tapcon hex‑washer lines)
Finish	Blue Climaseal

Recommended Applications

Suitable for fastening into:

Solid concrete slabs
Hollow concrete block
Brick masonry
Pre‑cast panels
Structural and utility mounting points

Typical use cases include:

Mounting electrical boxes and conduit supports
Securing bracketry, strut, and light framing
Attaching machinery, shelving, and equipment mounts
Installing fixtures, hardware, and utility components
General construction and renovation needs requiring reliable masonry anchoring

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Diameter 5/16 Inch

Package Count 50 Package Count

Brand Hillman Fasteners

Finish Climaseal

Length 2-3/4 Inch

Color Blue

Head Type Hex Washer

Pieces 50

Thread Hi-Lo

Head Hex Washer

Length 2-3/4 in

Drive Hex

Package Type Box

UPC Code 038902283740

Shelf Pack 1

Minimum Order Qty 1

376517 5/16IN X 2-3/4IN TAPCON SCREW HEX WASHER 50 COUNT

About this item

Tapcon® 5/16 in. x 2‑3/4 in. Hex Washer Head Concrete Screws – 50 Count

Key Features

Specifications

Recommended Applications

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