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Metric Fine Drilling Data

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For Plug Taps 5/16" or M8 and smaller. F is equal to the insert nominal length (Q) + 1/2 the nominal bolt diameter + 5 Pitch (allowing for tap chamfer,countersink and maximum "set-down"). For Plug Taps 3/8" or M10 and larger. F is equal to the insert nominal length (Q) + 5 Pitch (allowing for tap chamfer, counter sink and maximum "set-down"). For Bottoming Taps. F is equal to the insert nominal length (Q) + 3 Pitch (allowing for tap chamfer, countersink and maximum "set-down").




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  Results 1 - 21 of 21 1 

Item #

Nominal Thread Size

Aluminum Suggested Drill Size

Steel, Magnesium, Plastic Suggested Drill Size

1 Diameter Plug Taps

1-1/2 Diameter Plug Taps

2 Diameter Plug Taps

M8x18.25 M8x1 8.25 in 8.30 in 18.00 in 22.00 in 26.00 in
M10x110.25 M10x1 10.25 in 10.25 in 16.00 in 21.00 in 26.00 in
M10x1.2510.25 M10x1.25* 10.25 in 10.25 in 17.50 in 22.50 in 27.50 in
M12x1.2512.25 M12x1.25* 12.25 in 12.25 in 19.50 in 25.50 in 31.50 in
M12x1.512.25 M12x1.5* 12.25 in 12.50 in 21.00 in 27.00 in 33.00 in
M14x1.514.25 M14x1.5* 14.25 in 14.50 in 23.00 in 30.00 in 37.00 in
M16x1.516.25 M16x1.5* 16.25 in 16.50 in 25.00 in 33.00 in 41.00 in
M18x1.518.25 M18x1.5* 18.25 in 18.50 in 27.00 in 36.00 in 45.00 in
M20x1.520.25 M20x1.5* 20.25 in 20.50 in 29.00 in 39.00 in 49.00 in
M22x1.522.25 M22x1.5* 22.25 in 22.50 in 31.00 in 42.00 in 53.00 in
M18x218.50 M18X2 18.50 in 18.50 in 30.00 in 39.00 in 48.00 in
M20x220.50 M20X2 20.50 in 20.50 in 32.00 in 42.00 in 52.00 in
M22x222.50 M22X2 22.50 in 22.50 in 34.00 in 45.00 in 56.00 in
M24x224.50 M24X2 24.50 in 24.50 in 36.00 in 48.00 in 60.00 in
M27x227.50 M27X2 27.50 in 27.50 in 39.00 in 52.50 in 66.00 in
M30x230.50 M30X2 30.50 in 30.50 in 42.00 in 57.00 in 72.00 in
M33x233.50 M33X2 33.50 in 33.50 in 45.00 in 61.50 in 78.00 in
M36x236.50 M36X2 36.50 in 36.50 in 48.00 in 66.00 in 84.00 in
M39x239.50 M39X2 39.50 in 39.50 in 51.00 in 70.50 in 90.00 in
M36x337.00 M36x3 37.00 in 37.00 in 54.00 in 72.00 in 90.00 in
M39x340.00 M39X3 40.00 in 40.00 in 57.00 in 76.50 in 96.00 in
  Results 1 - 21 of 21 1