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Metric Screw Thread Insert Threaded Hole Data ASME B18.29.2M
Nominal Screw Size =
M2 × 0.4
M2.5 ×0.45
M3 × 0.5
M3.5 × 0.6
M4 × 0.7
M5 × 0.8
M6 × 1
M7 × 1
M8 × 1
M8 × 1.25
M10 × 1
M30 × 1.25
M10 × 1.5
M12 × 1.25
M12 × 1.5
M12 × 1.75
M14 × 1.5
M14 × 2
M16 × 1.5
M16 × 2
M18 × 1.5
M18 × 2
M18 × 2.5
M20 × 1.5
M20 × 2
M20 × 2.5
M22 × 1.5
M22 × 2
M22 × 2.5
M24 × 2
M24 × 3
M27 × 2
M27 × 3
M30 × 2
M30 × 3
M30 × 3.5
M33 × 2
M33 × 3
M36 × 2
M36 × 3
M36 × 4
M39 × 2
M39 × 3
Plug Taps (mm)
Plug Tap drilling Depth 1D =
Plug Tap drilling Depth .5D =
Plug Tap drilling Depth 2D =
Plug Tap drilling Depth 2.5D =
Plug Tap drilling Depth 3D =
Bottoming Taps (mm)
Plug Tap drilling Depth 1D =
Plug Tap drilling Depth .5D =
Plug Tap drilling Depth 2D =
Plug Tap drilling Depth 2.5D =
Plug Tap drilling Depth 3D =
Countersink Diameter, (120
˚ ±5˚) included Angle
Minimum =
Maximum =
Minor Diameter (mm)
Minimum =
Maximum =
Pitch Diameter (mm)
Min. =
4H Max. =
5H Max. =
6H Max. =
Min. Major Diameter (mm)
All Classes =
Minimum Tapping Depth (mm)
Insert Length 1D =
Insert Length .5D =
Insert Length 2D =
Insert Length 2.5D =
Insert Length 3D =
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