38" Carbon Steel NPT Tap and 37/64" HSS Drill Bit in plastic pouch. 37/64" drill bit has 1/2" shank. NPT Tap and Drill Set comes in an easy to maintain plastic pouch; Set contains one Carbon Steel NPT Pipe Tap and the matching size Black Oxide High Speed Steel Drill Bit; Carbon steel NPT pipe taps are designed to clean and or re-thread damaged BSPPG 3/8 : Brith Pipe (BSP) Thread Dimensions and Tolerances. All the relevant data for this tread in one spot. BSPP G 3/8 : Brith Pipe (BSP) Thread Dimensions and Tolerances. Tap Drill Sizes Charts; GLOSSARY; LEARNING Menu Toggle. How to Use the Machining Doctor; Dryseal Pipe Threads (NPTF) British Pipe Threads (BSP) Thread. 3/4 – 10. 21/32. 68 – 72; 3/4 – 16. 11/16; 71 – 77. M20 x 2.5; 11/16. 74 – 78; 7/8 – 9. 49/64; 72 – 76. 3/8 – 18 NPT.7031: 45/64. 45/64: 1/2 – 14 NPT.9219: 59/64. 59/64: 3/4 – 14 NPT. Drill This Hole Size. Decimal . Inches: Drill Size. Nearest . Fraction. To Tap For This Size . Bolt or Screw.4999. 12.7 mm ThreadTap Single. Size: 3/8-18 NPTF. Drill Size: 14.5mm. Style: Taper. Orientation: Right Hand. Goliath is one of Australia’s most trusted and valued names for high quality, high speed threading solutions. Use DrysealPipe Threads (NPTF) British Pipe Threads (BSP) ACME Trapezoidal Threads; Materials Menu Toggle. Machinability Chart; Material Standards Conversion; Thread Height Cres/ Root Tap Drill Size Lead Angle Minor Diameter Thread addendum series id #12 - 32 UNEF: 0.216: 32: 0.0313: 0.1957: 0.0169: q9Reqcj. 38" Carbon Steel NPT Tap and 37/64" HSS Drill Bit in plastic pouch. 37/64" drill bit has 1/2" shank. NPT Tap and Drill Set comes in an easy to maintain plastic pouch; Set contains one Carbon Steel NPT Pipe Tap and the matching size Black Oxide High Speed Steel Drill Bit; Carbon steel NPT pipe taps are designed to clean and or re-thread damaged BritishStandard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal (female) thread.It has been adopted as standard in plumbing and pipe fitting, except in North America, where NPT and related threads are NPTNPTF (Dryseal) NPS (Straight) NPSF (Dryseal) Designation Pipe size O.D. TPI Tap drill size Decimal tap drill size Tap drill size Decimal tap drill size Tap drill size Decimal tap drill size Tap drill size Decimal tap drill size; 1/16 - 27.3125: 27: D: 0.2460: D: 0.2460: 1/4: 0.2500: 1/4: 0.250: 1/8 - 27: 405: 27: Q: 0.3320: R: 0.3390: 11/32

3 8 npt thread drill size