Transcription of Metric Screw Thread Chart - Best Materials
1 Metric Screw Thread Chart Metric Tap Size Tap drill (Inches) Clearance drill (Inches) x #55 ( ) #50 ( ) x #53 ( ) #48 ( ) M2 x #52 ( ) #45 ( ) M3 x #39 ( ) 1/8 ( ) x #32 ( ) #28 ( ) M4 x #29 ( ) #19 ( ) x #25 ( ) #14 ( ) M5 x #18 ( ) #7 ( ) M6 x 1 #8 ( ) C ( ) M7 x 1 B ( ) 9/32 ( ) M8 x I ( ) P ( ) M8 x 1 J ( ) P ( ) M10 x K ( ) 13/32 ( ) M10 x S ( ) 13/32 ( ) M12 x 13/32 ( ) 31/64 ( ) M12 x 27/64 ( ) 31/64 ( ) M14 x 2 31/64 ( ) 9/16 ( ) M14 x 1/2 ( ) 9/16 ( ) M16 x 2 9/16 ( ) 41/64 ( ) M16 x 37/64 ( ) 41/64 ( ) M18 x 5/8 ( ) 23/32 ( ) M18 x 21/32 ( ) 23/32 ( ) M20 x 45/64 ( ) 13/16 ( ) M20 x 47/64 ( ) 13/16 ( ) Outside Diameter of Screws mm inch mm inch 10 12 14 16 18 19 20 21 22 Distributed by: BEST Materials Ph: 800-474-7570, 602-272-8128 Fax: 602-272-8014 Email: Screw Thread Chart Standard Thread Size Tap drill Size (Inches) Clearance drill Size (Inches) #0-08 #56 ( ) 1/16 ( ) #1-64 #53 ( ) #49 (.)
2 073) #1-72 #53 ( ) #49 (.073) #2-56 #50 ( ) #43 (.089) #2-64 #50 ( ) #43 (.089) #3-48 #47 ( ) #39 (.099) #3-56 #46 ( ) #39 (.099) #4-40 #43 ( ) 1/8 ( ) #4-48 #42 ( ) 1/8 ( ) #5-40 #39 ( ) #30 ( ) #6-32 #36 ( ) #27 ( ) #6-40 #33 ( ) #27 ( ) #8-32 #29 ( ) #17 ( ) #10-24 #25 ( ) #7 ( ) #10-32 #21 ( ) #7 ( ) 1/4-20 #7 ( ) G ( ) 1/4-28 #3 ( ) G ( ) 5/16-18 F ( ) P ( ) 5/16-24 I ( ) P ( ) 3/8-16 5/16 ( ) V ( ) 3/8-24 Q ( ) V ( ) 7/16-14 U ( ) 29/64 ( ) 7/16-20 W ( ) 29/64 ( ) 1/2-13 27/64 ( ) 33/64 ( ) 1/2-20 29/64 ( ) 33/64 ( ) 5/8-11 17/32 ( ) 41/64 ( ) 5/8-18 37/64 ( ) 41/64 ( ) 3/4-10 21/32 ( ) 49/64 ( ) 3/4-16 11/16 ( ) 49/64 ( ) 7/8-14 13/16 ( ) 57/64 ( ) 1 -8 7/8 ( ) 1-1/32 ( ) 1 -12 59/64 ( ) 1-1/32 ( )
3 The values listed in the Chart above are the recommended values for a class 2 Thread fit. The clearance drill sizes listed are the most commonly used sizes. #0 DIA = #1 DIA = #2 DIA = #3 DIA = #4 DIA = #5 DIA = #6 DIA = #8 DIA = #10 DIA = #12 DIA =
