Quick facts
- Brand: Aceteel
- Price: USD 9.99
- Rating: 4.10 (70 reviews)
If you’re cutting 1/16″-27 NPT threads, having the right pilot hole matters. This Aceteel set bundles the 1/16″-27 NPT tap with a D drill bit (6.35mm) so you can drill to size and then thread with less guesswork.
You can view the current price and full details on Amazon here.
Both pieces are made from M2 high-speed steel with a titanium coating to improve wear resistance and help extend service life. It’s a practical choice for shop kits and field toolboxes where you want a dedicated, matching tap-and-drill combo for pipe-thread work on common metals.
- Includes 1/16″-27 NPT tap plus D (6.35mm / 0.25″) drill bit (2-piece set)
- M2 high-speed steel construction with Ti-coated finish for wear resistance
- Tap details: 1.97″ (50mm) length, 27 TPI pitch, 6.0mm shank, 4.8mm x 4.8mm square head
- Drill bit details: 3.9″ (100mm) length, straight shank, 118° cutting angle
- Suitable for many metals including copper, alloy steel, cast iron, aluminum, and brass
What’s included: 1pc 1/16″-27 Ti-Coated NPT tap and 1pc D Ti-Coated drill bit.











