Tap & Clearance Drill Sizes Tap Drill Clearance Drill Screw Size Major Diameter Plastics Threads Per Inch Minor Aluminum, Brass, Diameter 75% Thread for & 50% Thread for Steel, Stainless, & Iron Close Fit Free Fit Drill Size Dec. Eq. Drill Size Dec. Eq. Drill Size Dec. Eq. Drill Size Dec. Eq.
This tap and clearance drill chart shows tap and clearance drill sizes for standard threads. There is also a printable version that has both metric and inch threads.
2021年5月26日 · For Metric threads, you can calculate the tapping drill by subtracting the pitch from the diameter of the thread. Here is an example, for an M5x0. 75 thread the tapping drill is 5-0.75mm = 4.25mm. For Imperial (inch) threads the tapping drill size is calculated in the same way, diameter minus pitch.
2021年2月2日 · Download and print the tap drill chart pdf for a quick reference table that will help you select the right tap and drill for your application, every time! Our comprehensive chart includes standard sizes, metric sizes, plug tap sizes and an 'at a glance' listing of the most popular tap drill sizes.