916"-18 UNF HSS Bottoming Tap, Tap America. Find this item and other cutting tools on DrillsandCutters.com. Toggle menu. FREE Two-Day Shipping on orders over $100; ; 10am-4pm est. M-F; LIQUIDATION SALE - 916"-18 X 8" UNF HSS Pulley Tap. Find this item and other cutting tools on DrillsandCutters.com. Toggle menu. FREE Two-Day Shipping on orders over $100; ; LIQUIDATION SALE - Black Oxide Hex Shank QC Drills; Reduced Shank Drills . 1/2 Reduced Shank Drills; 3/8" Reduced Shank Drills; 516-18-unc 'f'.2570 5/16 or o 21/64; 5/16-24-unf 'i'.2720 5/16 or o 21/64; 3/8-16-unc 5/16.3125 3/8 or v 25/64; 3/8-24-unf 'q'.3320 3/8 or v 25/64; 7/16-14-unc 'u'.3680 7/16 TApmETAL OR pLAsTIc • Secure workpiece and drill hole using correct size tapping drill as shown on this chart. • Select suitable lubricant – see chart below. 7/16 x 18 85.00 9.70 1/2 x 16 89.00 11.10 5/8 x 14 102.00 14.00 3/4 x 12 112.00 16.75 7/8 x 11 118.00 19.75 Ingeneral, tap tool life can be increased significantly by using a lower percent of thread and we suggest using values between 60% and 70% for most applications. Thread strength is not directly proportional to percent of thread. For example a 100% thread specification is only 5% stronger than a 75% thread specification but requires 3 times the UNJFTHREAD TAPS. Loading world-class cutting tools. Cutting Tools for Metalworking. P. Steel. M. Stainless steel. K. Grey cast iron, malleable and spheroidal iron. Thedrill diameter to use in preparation for a tapping operation. Unless otherwise specified, it refers to 75% thread depth for a Tap Cutting tool. For more accurate data, it is recommended to use a Tap Drill Size Calculator that considers the tapping tool type and the required thread depth. 18699 (Ref) α: Varation of 30° anngle (+/-) Tap Drill Sizes for 13/16 - 16 16-UN. If not specified, assume a thread depth of 75%. You can learn more about thread depth in tapping here. To get the tap drill size in other depths, use our Tap Drill Size Calculator . Thread Depth Tap Drill Size (Inch) .

9 16 18 unf tap drill size