Industrial GH9 F-5728 Hand Tap

Besly GH9 F-5728 3/4- NC Hand Tap is a six-flute, high-speed steel hand tap (HSS) designed for manual internal-thread cutting with a tap wrench. The F-5728 designation identifies this specific Besly model within the GH9 family. The 3/4- NC (National Coarse) thread specification denotes the nominal diameter and coarse thread pitch for standard metal components. This hand tap is intended for crafting 3/4- NC threads in machinable metals when used with appropriate lubrication and tapping tools. Typical uses include creating threaded holes in aluminum blocks, steel brackets, and other machining tasks where a 0.75 in diameter coarse-thread is required. Suitable applications include repair work, fixture fabrication, and maintenance tasks where a 3/4- NC thread is needed. For best results, use with a compatible tap wrench and cutting oil to minimize heat and wear. The 6-flute configuration provides chip evacuation and helps maintain thread quality during manual cutting.