Dormer Threading Tap, M12 Thread, 1.75mm Pitch, Metric Standard, Machine Tap

Range of HSS machine tap bits, straight flute, left-hand cut with metric pitch.
6H tolerance class, a short, 2-thread input and a 7 ° cutting angle.
Recommended for use in both through or blind holes and for depths up to 2times diameter.
Surface treatment: shiny.

Rolled Flute Taps

Bright finish fluteless taps; for use on copper, aluminium, magnesium, brass, zinc etc.
Flash chrome finish fluteless taps; for use on steel up to 850N/mm² tensile strength, free matching and austenitic stainless steel
Made to ISO529 standard for tapping blind and through holes in a wide range of ductile materials
Smooth non-cutting action produces greater thread formed strength, higher life expectancy and increased tapping speeds especially where excessive tension occurs