Basic Tap Blank Size .03937. Millimeter Size to Inches Select a metric size. Bulk discounts on large box purchases. If the feature is a conical hole, select the major diameter. MOCAP manufactures and supplies Threaded Caps for Metric Threads. The most common NPT thread sizes are 1/8" NPT, 1/4" NPT, 3/8" NPT, 1/2" NPT, 3/4" NPT, 1" NPT, 1 1/2" NPT, 2" NPT, British Standard Pipe Thread, and Metric Pipe Thread . Inserting Cosmetic Threads. Size Inches . 0 ... Thread Height.01378. The male has a 24° seat, straight metric threads, and a recessed counter bore which matches the tube O.D. of the coupling used with it. , Ryffel H.H., (2016) . The mating female is a 24° cone with O-ring, a metric tube fitting or a universal 24° or 60° cone. Metric Fine Slotted Nylon Insert Nut GUP Steel DIN981 981 for hook spanner To place an order, call MOCAP at 800.633.6775. , Horton H.L. ISO Metric Screw Thread Chart 1st 2nd Height Flat size External diameter choice choice H (mm) A/F (mm) A/C (mm) 10.25 1.2 0.25 1.4 0.3 1.6 0.35 1.8 0.35 20.4 2.5 0.45 You can also select the feature after you click the tool. If the feature is a conical boss, select the minor diameter. Our CMT Series of Plastic Threaded Caps come in a variety of sizes and are available for immediate shipment. Size Millimeter . Browse all of our items online and get an instant price quote, or order directly online! ISO 228-1 :2000 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation Oberg, E. , Jones ,F.D. Tap Metric Conversion Tables. On a cylindrical feature (a boss, a cut, or a hole), select the circular edge where the thread begins.