Premium Screw Pitch & Thread Gauge | 4-62 TPI & 0.25-6.0 mm Range | Dual 55 Whitworth & 60 Metric Combination | Precision Machinist Measurement Tool for Lathe, CNC & Metalworking

Features

• DUAL MEASUREMENT SYSTEM: Features a comprehensive combination of both Imperial and Metric measurements. Accurately checks 55-degree Whitworth threads (4 to 62 TPI) and 60-degree Metric threads (0.25 to 6.0 mm) in a single, highly versatile tool.
• PRECISION ENGINEERING: Crafted for exactness, each leaf is precisely milled to provide a flawless match to threaded surfaces. Essential for machinists, lathe operators, and CNC professionals requiring strict quality control and accurate thread identification.
• INDUSTRIAL-GRADE DURABILITY: Manufactured from hardened, high-grade stainless steel to resist rust, corrosion, and wear in demanding workshop environments. Built to withstand daily use in manufacturing facilities and heavy-duty engineering tasks.
• SECURE LOCKING MECHANISM: Designed with an adjustable tension knob at each end, allowing you to securely lock individual leaves in place for stable, hands-free comparison against bolts, nuts, and tapped holes.
• EASY IDENTIFICATION: Every single blade is deeply engraved with clear, easy-to-read sizing marks that will not rub off or fade over time, ensuring quick selection and eliminating guesswork during critical measurements.
• COMPACT & PORTABLE: The folding, pocket-sized design protects the delicate measuring teeth when not in use and allows for convenient storage in any tool chest, apron, or inspection kit.