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Fastener Dimensions

Bolts, nuts and washers in accordance with current ISO standards.

Clearances For Metric Bolts (mm)
Hole SizeDiameter of Square drive SocketDiameter of ring spanner
M33.414-
M44.52214
M55.52214
M66.62617
M892622
M10112727
M1213.52930
M1617.54238
M20224746
M24265455
M30337070
M36398190

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