Spring, 4 mm x 12 mm

- 4 mm x 12 mm
- Wire diameter 0.8 mm
Drive lever shaft compressing spring for SC4 bench lathes.
Part # 116 on SC4 parts diagram (SC4-116)
| Spring Type | Compression |
| End Type | Closed |
| Overall Length | 0.5" (12 mm) |
| Outside Diameter | 0.2" (4 mm) |
| Wire Diameter | 0.03" (0.8 mm) |
| Wire Shape | Round |
In your instruction manual, this part appears on the parts list as:
Oscillating Steam Engine Material Kit
Boring Bar Set, 3/8" Shank, Carbide
