required to assemble / disassemble, e.g. Shaft key
# Interference: The hole is smaller than the shaft and high force and / or heat is required to assemble / disassemble, e.g. Bearing bush

Clearance fits

For example, using an H8/f7 close-running fit on a 50mm diameter:
* H8 (hole) tolerance range = +0.000mm to +0.039mm
* f7 (shaft) tolerance range = -0.050mm to -0.025mm
* Potential clearance will be between +0.025mm and +0.089mm

Transition fits

For example, using an H7/k6 similar fit on

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