The Draper 52 Blade Screwpitch Gauge Set is a comprehensive thread identification tool designed for accurate measurement of both metric and BSW thread profiles. This dual-range gauge set enables tradespeople to quickly identify thread pitches across a wide spectrum of fastener types, making it an essential tool for engineers, mechanics, and maintenance professionals working with diverse threading standards. Featuring individually stamped blades with accurately formed thread profiles, this gauge set ensures reliable identification every time. The folding leaf design keeps all 52 blades organised in a compact, pocket-friendly format whilst protecting the precision-formed profiles from damage. Each blade is clearly stamped with its corresponding measurement for quick reference during use. The comprehensive coverage spans from 4 to 62 BSW for British Standard Whitworth threads, alongside a metric range from 0.25mm to 6.0mm pitch. This dual-standard capability makes the set particularly valuable for professionals working on both modern metric equipment and legacy machinery using imperial threading systems, eliminating the need to carry separate gauges. Features and Benefits: • Dual-range coverage for both metric (0.25-6.0mm) and BSW (4-62) thread standards • Folding leaf construction for compact storage and blade protection • Individually stamped blades with accurately formed thread profiles for precise identification Contents: 1 x 52 Blade 4-62 BSW Screwpitch Gauge Set, 0.25 - 6mm

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