Greenfield Threading 313518 M10x1.25 Straight Flute Hand Tap 3 Flutes

M10x1.25 Straight Flute Hand Tap

The Greenfield Threading 313518 is a metric straight-flute hand tap designed for cutting internal threads. It features a thread size of M10x1.25 with a 6H class of fit and a D11 thread limit. The tool is manufactured from high-speed steel with a bright uncoated finish and has three flutes. It suits maintenance technicians and machinists who need to create new threads or repair damaged ones in metal workpieces.

Suited for through-hole tapping in steel

This plug-style tap works well for general-purpose threading where chips can be pushed ahead of the cutting edges. The 74.63 mm overall length and 31.75 mm thread length provide adequate reach for many bench and machine applications. Builders who require a bottoming tap for blind holes or a spiral-flute design for improved chip evacuation in deep holes should look at a different tool geometry.

Cuts M10 threads with 75 percent thread engagement

The recommended drill size of .3438 in prepares a hole that yields approximately 75 percent thread height for a strong, reliable joint. High-speed steel construction handles moderate cutting speeds in mild steel, aluminium and brass. The uncoated bright finish offers no additional wear resistance, so tool life decreases in abrasive alloys or high-volume production runs where coated or carbide alternatives would perform longer.