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$7/16-14 form tap drill size: >> http://bit.ly/2xMWbDH << (download) Tap size: NF/NC UNF/UNC: Threads per inch: Basic major dia (inches) Basic effective dia (inches) Basic minor dia of ext. threads (inches) Basic minor dia of int 7/16"-14 HSS Combined Drill Bit & Tap (Drap). Find this item and other cutting tools on DrillsandCutters.com. Metric Tap & Clearance Drill Sizes Tap Drill Clearance Drill 75% Thread for Aluminum, Brass, & Plastics 50% Thread for Steel, Stainless, & Iron Roll Form Tap Drill Sizes Calculator was developed to calculate recommended roll form tap drill sizes for Unified threads. Calculations are done according to formulas Tap Drill Chart for American national form threads. Show Menu Hide Menu Tap Drill Chart - American National Form. 7/16 - 14.3447: U.3680: 20 Drill and Tap Charts - Inch & Metric INCH TAP DRILL SIZES Recommended tap drill sizes (for approx. 75% thread) 7/16-14 U 1/2-13 27/64 9/16-12 TAP DRILL SIZES METRIC TAP DRILL SIZES Cutting Taps based FORMING TAP DRILL SIZE TAP SIZE 7/16-14 U 13/32 M20 x 1.5 18.5mm 49/64 tap drill diameters for cold-forming of threads. 47 nominal size 0.4035 10.250 7/16 -14 unc 0.4055 10.300 thredfloer hole size and class of fit threads per inch hole sizes required for: tap drill size 7/16" 14 .402 .405 .409 y? 10, 9, Tap and Drill Size Chart. 7/16-14.3680 'U ©2013 American Fastener Technologies Corporation Nine Frontier Drive, Gibsonia, Balax | Forming Taps, Cutting Taps, Thread Gages. Bal-Tap-S Tapping Fluid; ANSI Thredfloer Hole Size Chart. Balax | Forming Taps, Cutting Taps, Thread Gages. Bal-Tap-S Tapping Fluid; ANSI Thredfloer Hole Size Chart. Tap Drill Sizes - Fractional Form Taps Tap Size Threads Per Inch Minor DIameter Tap Drill Diameter 7/16 14 - - 0.3600 0.3760 0.4011 0.4035 0.4059 0.4084 0.4108 TAP DRILL DIAMETERS FOR THREAD CUTTING Nominal Size Nominal Size o d1 UNC UNF UNEF 0.3701 9.400 7/16 -14 UNC 0.3720 9.450 Tap size chart. Filter by fractional, wire gauge, letter, metric, coarse and fine. View tap drill sizes. Login | Register for free! Home Forming; Cutting with$