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Snap-on YFSM121 | Flank Drive Xtra Shallow Socket | 12 mm, 3/8" Drive
For 12 mm fasteners, this 6-point shallow version fits a 3/8" drive and measures 24.6 mm end to end. The hex end measures 16.7 mm across, the drive end 17.5 mm, with 11.9 mm of bolt clearance and 7.9 mm of hex depth. Flank Drive Xtra geometry places the load on the angled flats rather than the corners.
Key features
- 12 mm 6-point shallow socket, 3/8" drive
- Length 24.6 mm, bolt clearance depth 11.9 mm
- Hex end 16.7 mm, drive end 17.5 mm
- Grooved wall aids socket removal, with large size marking
- Nickel-chrome finish resists rust and corrosion
- Specifications
| Part Number | YFSM121 |
| Brand | Snap-on |
| Size | 12 mm |
| Drive Size | 3/8 in |
| Style | 6-Point |
| Finish | Chrome |
| Length | 24.6 mm |
| Hex End Diameter | 16.7 mm |
| Drive End Diameter | 17.5 mm |
| Bolt Clearance Depth | 11.9 mm |
| Hex Depth | 7.9 mm |
| Country of Origin | USA |
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