Pipe Thread Types and Designations In America, William Sellers set the standard for nuts, bolts, and screws which became the National Pipe Tapered Thread (NPT) in 1864 ...
Thread Standards and Definitions United States, Canada, and United Kingdom use the Unified of Unified Inch profile, in accordance with the Unified and American Screw ...
Metric Screw Thread Chart Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches) M1.6 x 0.35 #55 (0.052) #50 (0.070) M1.8 x 0.35 #53 (0.057) #48 (0.0.76) ... Down
Metric Screw Thread Chart Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches) M1.6 x 0.35 #55 (0.052) #50 (0.070) M1.8 x 0.35 #53 (0.057) #48 (0.0.76)www.cefns.nau.edu/.../fabricationShop/documents/ThreadSizeCharts.pdf
Wood Screws Machine Screws Thread Cutting Machine Screws ... Drive Types Washer Types ... Fastener Type Chart Author: Bolt Depothttps://www.boltdepot.com/.../Printable-Tools/Type-Chart.pdf
Types of Tap HAND TAPS These are straight flute general purpose tools which can be used for both machine or hand tapping. They are generallywww.threadtools.com/Files/Taps technical info.pdf
Bolt Thread Dimensions The following tables list National Pipe Taper (NPT) dimensions and straight thread dimensions for hex head bolts. NPT Dimensions B A 1° 47'us.mt.com/dam/.../Generic/5/bolt_thread_types_dimensions.../bolt.pdf