This set of metric tap and die set is made of steel material. Steel is the base metal used in the construction of these sets – but not all steel is created equally. Look for steel alloy or, even better, Titanium tipped cutting surfaces. The better the metal the tougher the tap and die so they so they can cut into more materials and they will stay sharper for longer
Package Includes: 35 Taper Taps + 35 Plug Taps + 35 Dies + 2 Tap Wrench M3-M12, M6-M20 + 1 Die Holder 25mm, 38mm O/D + 1 T-Type Tap Wrench M3-M6
Tap and die set size: 110 PCS Rethreading Kit: M2 x 0.4, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 0.75, M6 x 1, M7 x 0.75, M7 x 1, M8 x 0.75, M8 x 1