Timco H55B Hex Head Self-Drilling Screws 5.5 x 55 Box 100

Timco heavy section self-drilling screws are designed for fastening metal to heavy section steel up to 12 mm thick. They feature a hex head and a self-drilling tip, enabling installation without pre-drilling. Each screw measures 5.5 x 50 mm and is plated with Silver Ruspert for corrosion resistance. The screws use a fine self-tapping metric thread and are supplied in a quantity of 100. They have been tested for durability in harsh environments, including salt spray exposure lasting over 1,000 hours. These characteristics make them suitable for reliable, durable connections in heavy-section steel assemblies.

Features

• Hex head with self-drilling tip
• For heavy section steel up to 12 mm
• 5.5 x 50 mm size
• Silver Ruspert corrosion resistance plating
• Fine self-tapping metric thread
• Pack of 100 screws

Usage

Ideal for attaching metal to heavy section steel without pre-drilling, providing a secure, durable fastening solution in demanding environments.