Metric Bore Shaft Collars in Steel
  • Industry standard
  • Interchangeable
  • Common type
  • Anti-corrosion finish
Tolerances (mm)
Bore (3mm – 6mm)+ 0.05mm / + 0.00mm
Bore (7mm – 28mm)+ 0.07mm / + 0.00mm
Bore (30mm – 80mm)+ 0.12mm / + 0.00mm
Outside Diameter+ 0.20 / – 0.20mm
Width+ 0.08mm / – 0.25mm
SizeBore (mm)OD (mm)Width(mm)Clamp Bolts
4mm4169M3X8
5mm5169M3X8
6mm6169M3X8
7mm7189M3X8
8mm8189M3X8
9mm9249M3X10
10mm10249M3X10
11mm112811M4X12
12mm122811M4X12
13mm133011M4X14
14mm143011M4X14
15mm153413M5X16
16mm163413M5X16
17mm173613M5X16
18mm183613M5X16
19mm194015M5X16
20mm204015M6X16
24mm244515M6X16
25mm254515M6X16
28mm284815M6X16
30mm305415M6X18
32mm325415M6X18
35mm355715M6X18
38mm386015M6X18
40mm406015M6X18
45mm457319M8X25
50mm507819M8X25
60mm608819M8X25
70mm709819M8X25
80mm8010819M8X25