![]() It has never been easier to access product from the most trusted name in the NZ Engineering scene. Shop at your convenience across our huge range of first-class tooling for something specific or just your normal stock orders. Trade Tools is pleased to offer you flat shipping fee of $8 on web orders to any business location in New Zealand. The result is 4.0 mm - 0.8444 mm = 3.1666 mm, which is the necessary diameter for the drilled hole.Icon List Icon variants Icon Checkbox Icon filled docs Icon filled envelop Icon filled pin Icon filled phone Icon Account Filled Icon Checkbox checked Icons/Toggler-table Icons/Toggler-list Icons/icon-toggler-thumbs Icons/account-incircle Icon/airplane Duplicate-list Star (added) Icon/Star plus Icons/Directions Icons/profile square Icons/profile + Icons/Heart Heart with arrow Icons/bag Icons/Edit click and Collect icon Icons/Search Icons/Left arrow Icons/Right arrow Icons/Up arrow Icons/Down arrow Address Pin down Icons/Pin Icons/Arrow long L Icons/Arrow long R Slider arrow left small Slider arrow right small Slider arrow up small Slider arrow down small Target icon Icons/Cart Icons/Cart Icon filled envelope Icon filled star Icon filled calendar Icons/Envelope Icons/Padlock Icons/Read Icons/Calendar Icons/Truck Icons/Truck Icons/Refresh Icons/trash Icons/Document Icons/Document Download Icons/Logout Address book icon Icons/Key Icons/Printer Icons/Up Arrow Icons/Minus Icons/Plus Icons/Minus sm Icons/Plus sm Icons/X Icons/X sm Icons/Home Icons/Filter Icons/History Icons/Gift Card Icons/Download Icons/Phone Icons/Store Icons/Alert-Exclamation Icons/Exclamation circle Icons/Question mark Icons/Icon x circle Icons/Tick circle Social/Youtube Social/LinkedIn Social/Facebook Social/Pinterest Social/Instagram Social/Twitter Icons/Edit Icons/Pin Large Icons/Truck huge Icons/Click and Collect huge Icons/NZ Map Icons/NZ Map 2 Icons/Australia Map Icons/Australia Map 2 Icons/Bank lg Icons/Cart Click collect huge Icons/Out of stock Icons/Eye.Subtract the result from the thread diameter (4.0 mm).Match this row to the 65% thread percentage column.Look for the 1.00 mm pitch in the chart's first column.For metric threads, the recommended thread percentages are 65% and 70%.įind the drilled hole size for a 65% thread on a 4 mm x 1.00 (M4) tapped hole:.Similar to the standard tap and drill section (see above), use the two formulas below to calculate the necessary size of the drilled hole.Look up the desired pitch and thread percentage to find the corresponding outer diameter.The tap and drill chart below is for Metric threads. ![]() 5 millimeters, the double thread depth is 1.0 millimeter. In the second method, double thread depth means twice the depth of the thread.For either formula, when inputting thread percentage, use, for example, 65% instead of 0.65. Use the two formulas below to calculate the necessary drilled hole size in inches.The recommended thread percentage is 65%, 70%, and 75%.Thread percentage is the percentage of a bolt's shank that has threads.Look up the TPI and desired thread percentage to determine the corresponding outer diameter.The chart below is for standard gauge threads (inch). Based on the desired nominal size, look at the desired standard column to determine the minimum outside diameter of the component for the threads.Use the thread nominal size column to identify the desired thread designation.The following chart describes how to determine the size of standard male threads when making a bolt or threaded pipe. Use the corresponding drill size to drill the hole.Identify the screw designation, which correlates with the tap size on the chart.The chart below is used for tapping female threads into a component. Tamesons selection of thread cutting tools
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