Simpson Strong-Tie T12400HDUM Description

The Self-Drilling Hex-Washer Head Screw is a durable and corrosion-resistant fastener, ideal for aluminum and fiberglass applications.

Simpson Strong-Tie T12400HDUM Includes

• (1000) Self-Drilling Hex-Washer Head Screw

Simpson Strong-Tie T12400HDUM Features

• Indented hex-washer head for secure fastening
• Tapping screw thread for efficient installation
• #3 drill point for precise drilling

Simpson Strong-Tie T12400HDUM Applications

• Aluminum and fiberglass fastening

Simpson Strong-Tie T12400HDUM Specifications

Fastener Type Hand-Drive Screw Application Fastening for Cold-Formed Steel Material Type 316 Stainless Steel Screw Size #12 Length 4 in. Drive Type 5/16 in. Hex Head Type Hex Washer Head Thread Type Tapping Threads TPI 14 Point Type Drill Point Packaging Quantity 1000

NOTE: Types 316 and 305 stainless steel provide superior corrosion resistance and are suitable for softer materials such as aluminum and fiberglass (not steel).