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Snap-on IMM553 | 1-Inch Drive 6-Point Metric Flank Drive Shallow Impact Socket | 55 mm, 1" Drive
55 mm opening, 6-point, 1-inch drive: the IMM553 is a Metric Flank Drive impact socket with a shallow body of 82.6 mm overall length. It is made for impact wrench service.
Bolt clearance depth is 46.7 mm, with a hex depth of 31.8 mm. Snap-on specifies the metric size in mm.
Key features
- Overall length 82.6 mm with 46.7 mm bolt clearance depth
- Opening size: 55 mm, 6-point
- Hex depth 31.8 mm; hex end diameter 82.6 mm; drive end diameter 60.3 mm
- Heat treated for repeated impact loading, at a lower hardness than hand sockets
- Flank Drive profile, rated by Snap-on for up to 20% more turning power without slipping or rounding
- Specifications
| Part Number | IMM553 |
| Brand | Snap-on |
| Size, mm | 55 |
| Style | 6-Point |
| Square Drive, inches | 1 |
| Dimension D, Length, mm | 82.6 |
| Dimension C, Bolt Clearance Depth, mm | 46.7 |
| Dimension E, Hex Depth, mm | 31.8 |
| Dimension A, Hex End Diameter, mm | 82.6 |
| Dimension B, Drive End Diameter, mm | 60.3 |
| Finish | Industrial |
| Country of Origin | USA |
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