Key Features

• Manufactured from premium-grade hardened tool steel or carbide for exceptional wear resistance and extended service life
• Precision-ground and calibrated for accurate Go/No-Go inspection of external threads
• Verifies thread size, pitch, and dimensional accuracy in compliance with ISO, DIN, ANSI, JIS, BS, and other international standards
• Available for Metric, Unified (UNC/UNF), BSP, BSPT, NPT, Trapezoidal, ACME, PG, and other standard or special thread forms
• Suitable for inspection of bolts, screws, studs, threaded shafts, fittings, and other externally threaded components
• Heat-treated and precision-finished for superior dimensional stability, repeatability, and long-term accuracy
• Available in standard and custom thread sizes to meet diverse industrial applications
• Ideal for production inspection, incoming quality control, final inspection, calibration laboratories, and tool room applications
• Widely used in automotive, aerospace, defence, railways, oil & gas, fastener manufacturing, die & mould, precision engineering, and general engineering industries
• Helps ensure thread interchangeability, improve product quality, reduce inspection errors, and maintain compliance with stringent quality standards