This series is listed as a size chart 4 flute type · 30 sizes

Sizes for this series are listed in the table below — compare by flute type and dimension.

inch taperSHK Dfull-tooth - for aluminumfull-tooth - for steel

inch NPT taper pipe thread series

Thread Mills

Thread Mills series — 4 flute types, 30 sizes. Coating and flute type selected by workpiece and operation.

Workpiecesteel / stainless steel

CategoryThread Mills

Flute types4 options

Sizes30

Back to metal tools Router bits

Size and flute data only — no prices are shown.

Size table

NPT1/16-27NPT1/8-27NPT1/4-18/NPT3/8-18NPT1/2-14NPT3/4-14NPT1-11.5G1/16-28G1/8-28G1/4-19/G3/8-19G1/2-14G5/8-14/G3/4-14G7/8-14G1-11PT1/8-28PT1/4-19/PT3/8-19PT1/2-14PT3/4-14PT1-11W3/16-24W1/4-20W5/16-18 G1/16-28 G1/8-28W3/8-16 G1/4-19 G3/8-19W7/16-14 G1/4-19 G3/8-19 G1/2-14W5/8-11 W3/4-10 G3/4-14 G1"-11

Sizes are listed as published; unlisted dimensions can be made to drawing.

inch NPT taper pipe thread series

Size table

Related series

single-tooth thread cutter

3-tooth thread cutter

full-tooth thread mill

inch UNF 3-tooth