Standard NPT Tap drill Sizes 800- 871- 5022 Tap drill size Decimal Equivalent More information can be found at NPT size (in.) (in.). 1/16 - 27 "C" 1/8 - 27 "Q" 1/4 - 18 7/16 3/8 - 18 9/16 1/2 - 14 45/64 3/4 - 14 29/32 - 11 - 1/2 1- 9/64 1 - 1/4 - 11 - 1/2 1- 31/64 1 - 1/2 - 11 - 1/2 1- 23/32 - 11 - 1/2 2- 3/16 2 - 1/2 - 8 2- 39/64 - 8 3- 15/64
NPT$Size Tap$Drill$Size$ (in.) Decimal$Equivalent (in.) 1/1627 "C" 0.242 1/827 "Q" 0.332 1/418 7/16 0.438 3/818 9/16 0.562 1/214 45/64 0.703 3/414 29/32 0.906
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1 Standard NPT Tap drill Sizes 800- 871- 5022 Tap drill size Decimal Equivalent More information can be found at NPT size (in.) (in.). 1/16 - 27 "C" 1/8 - 27 "Q" 1/4 - 18 7/16 3/8 - 18 9/16 1/2 - 14 45/64 3/4 - 14 29/32 - 11 - 1/2 1- 9/64 1 - 1/4 - 11 - 1/2 1- 31/64 1 - 1/2 - 11 - 1/2 1- 23/32 - 11 - 1/2 2- 3/16 2 - 1/2 - 8 2- 39/64 - 8 3- 15/64
TAP DRILL SIZES METRIC TAP DRILL SIZES Cutting Taps based on approx. 75% thread Forming Taps based on approx. 65% thread Cutting Taps based on approx.
The next generation solid carbide drill AQUA Drill EX Series AQUA Drill EX Series AQDEX AQDEXR AQDEXOH3D AQDEXOH5D …
New Drill Pipe Data Nom. Nom. Wall Inside Torsional Tensile Collapse Internal Upset Size Weight Thickness Diameter Grade Yield Yield Pressure Pressure Type
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Drill Nomenclature-Points• Elements of Drill Points • Lip Relief Angle – Varies with the diameter of the drill and hardness of the material – …