Best Helical Flute Tap Set

Allied Machine and Engineering TM43720 | 0.335\ Diameter x 0.375\ Shank x 0.875\ LOC x 3.5\ OAL 4 Flute TiAIN Solid Carbide Helical Flute Thread Mill

Helical flute design for reducing cutting forces, smoother cuts, longest tool life, and maximum thread milling performances.
100% thread forms, superior threads vs tapping.

Helical flute design for reducing cutting forces, smoother cuts, longest tool life, and maximum thread milling performances.
Cuts right hand and left hand quality threads.

Tap wrenches (M3-M12 x 1/16”-1/2”, M6-M20 x 1/4”-3/4”).
Die wrenches (25mm x 1”, 38mm x 1-1/2” OD).
BUILT TO LAST: Constructed from chromium-coated high carbon steel for maximum strength and corrosion resistance.
Metric tap set has 3-4 flute abrasive cutting edges each so you can easily clean/repair and cut materials such as aluminum, iron, cast iron, alloy steel, carbon steel, abrasive steel, malleable cast iron, and other difficult to machine metal materials.
EASY STORAGE: Heavy-duty 17” x 2.25” x 12.75” inch (43.2cm x 5.7cm x 32.4cm) plastic blow-molded carrying case with 2 side latches and built-in handle for easy transportation, safe storage, and quick organization.
Each compartment is labeled with sizing for simple identification.
PACKAGE CONTENTS: Combination set contains both metric taps and dies.
Tap die set metric tap die metal threader package includes 35 taper taps, 35 plug taps, 35 dies, 2 tap holder wrenches, 2 die holder wrenches, 1 T-bar type tap wrench, and 1 carrying case.
(Thread pitch gauge not included, but we recommend using these taps to light up threads from the bolt).

For helical coil wire screw thread insert taps.
Tapered square shank fits into manual brace tools and drivers handles for added cutting pressure.
Threads per inch need not be specified as Tap Extractors will fit both NC and NF taps.
Hardened steel fingers of Walton Tap Extractors fit in the flutes of a broken tap to back it out simply and safely.
When fingers become bent or broken or are too short for further use, replacement fingers are available.