Fractional Screw Checker & Bolt Gauge | PEC Tools

This fractional screw checker and bolt gauge helps quickly identify common inch fastener sizes and threads, making it useful at the workbench, toolroom, maintenance area, or inspection station. Made in China.

Made in China

Key Features

• All-in-One Identification: Checks fractional diameter, threads per inch (TPI), and bolt length.
• Tap Drill References: Includes tap drill size references for common shop projects.
• Hardened Steel: Heavy-gauge hardened steel construction supports long-term shop use.
• Satin Chrome Finish: Rust-resistant satin chrome finish improves durability and readability.
• Thread Checking: Helps identify thread pitch and can be used to chase or clean dirty threads.