Made in USA | Unipec Screw Pitch Gauge – 51 Leaves, 4–84 TPI | English Thread Gage Tool | Precision Steel Thread Measuring Tool

This Screw Pitch Gauge (English Gage) is an essential tool for machinists, mechanics, and technicians who need to quickly and accurately identify thread pitches. Featuring 51 precision blades, it covers a complete range of 4 to 84 threads per inch (TPI), making it suitable for both coarse and fine threads in inch-based fasteners. Crafted from hardened, high-grade steel, this gage offers excellent wear resistance and long-term accuracy. Each leaf is clearly marked with its pitch size and folds compactly into the tool’s body for convenient storage and protection. Proudly made in the USA, this screw pitch gauge delivers professional performance and reliability for use in the workshop, field, or manufacturing floor.

• English (Inch) Thread Gage – Covers 4 to 84 TPI with 51 precision-cut blades for identifying standard Unified and American thread forms in machinery, automotive, and general-purpose fasteners.
• High-Quality Construction – Precision-machined from hardened steel for durability and accuracy in shop environments
• Foldable & Compact Design – Leaves pivot out for easy access and fold neatly into the case for safe storage and portability
• Permanent Markings – Each blade is clearly marked with its corresponding TPI for quick identification
• 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18 inch | 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50 inch | 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84 inch