10/2/2023 0 Comments 1024 form tap drill size![]() In manufactured parts, holes with female screw threads are often needed they accept male screws to facilitate the building and fastening of a finished assembly. * Values are calculated for Length of engagement of 5xPitch. Below is a comprehensive drill and tap size chart for all drills and taps, imperial and metric, up to 36.5 millimetres (1.44 in) in diameter. * Permisable values for thread Class 3A # Description Value (Inch) Value (mm) es Allowance 0 (Ref) 0 (Ref) d Major Diameter 0.5548 - 0.562 14.092 - 14.275 d 2 Pitch Diameter 0.5321 - 0.5349 13.515 - 13.586 d 3 Minor Diameter ![]() For calculations of different engagement length use the Thread Calculator * Values are calculated for Length of engagement of 5xPitch.
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