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Comparison Cogwheels Z10 And Z13 For Gear Locks
Codkey L29 Gear Lock Cogwheels Z10 /Z13
Mul-T-Lock 7X7 Gear Lock Cogwheel Z10/Z13
Here is the direct comparison of the Z10 and Z13 cogwheels for profile cylinders, using your drawing and corroborating manufacturer specifications. EVVA likewise specifies Z10 as Ø24 mm/10 teeth and Z13 as Ø30 mm/13 teeth.
| Specification | Z10 — Small | Z13 — Large |
|---|---|---|
| part No. | ||
| Number of teeth | 10 | 13 |
| Outside diameter | Ø24 mm | Ø30 mm |
| Overall width | 8.8 mm | 8.8 mm |
| Tooth count difference | — | +3 teeth |
| Diameter difference | — | +6 mm |
| Typical designation | Z10 / D24 | Z13 / D30 |
| Relative size | Small | Large |
| Interchangeable? | No | No |
The important point is that Z10 and Z13 aren't simply two sizes of the same interchangeable cam. The lock gearbox/rack is designed for a particular tooth count and diameter. A Z10 cylinder therefore needs a mechanism designed for the 10-tooth Ø24 mm gear, while Z13 needs the 13-tooth Ø30 mm gear. TESA documentation uses the same designations, Z10 D24 and Z13 D30.
In your drawing, both appear to have the same 8.8 mm axial width, so the principal functional difference is the gear diameter and tooth geometry/count.
In short: Z10 = 10T × Ø24; Z13 = 13T × Ø30.
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