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Metric thread drill and tap chart with detailed information on tap drill sizes and thread sizes.

The tap size chart provides a list of standard size taps, specifying the diameter and thread spacing, for fractional, metric, and screw sizes. The decimal equivalents of the diameters are shown in both English and Metric units.

Tap size: Basic major dia (mm) Basic major dia (inch) mm per thread: Drill size (mm) Drill size (inch)

Choose from our selection of M5 taps, including general purpose taps, tap sets, and more. Same and Next Day Delivery.

Apr 28, 2022 · Taps are marked according to the Standard System of Marking Ground Thread Taps. The standard mark consists of four groups of symbols. They contain information about the nominal size, the number of threads per inch or thread pitch, and the appropriate thread form symbol and pitch diameter or thread class symbol.

metric tap recommendations for classes of thread (iso) size mm pitch mm recommended tap for class of thread pitch diameter limits for class of thread 4h 6h minimum (basic) max. 4h max. 6h m1.5 0.35 d1 d2 1.273 1.326 1.358 m1.6 0.35 d1 d3 1.373 1.426 1.458 m1.8 0.35 d1 d3 1.573 1.626 1.658 m2 0.45 d1 d2 1.708 1.768 1.803

The complete chart of American Standard and ISO Metric thread sizes with corresponding tap drill sizes for accurate threading and machining. Easily find tap drill sizes in both inches and millimeters for various thread types.

Drill size and clearance hole recommendations. All dimensions are recommendations only and are shown in mm. Tapping sizes and clearance holes for metric and unified threads.

Standard tap drill chart shows the nominal and metric tap sizes for over one-inch diameters. Learn more about standard tap dimensions and tolerances.