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Snap-on IMM172A | Flank Drive Shallow Impact Socket 3/4" Drive | 17 mm, 6-Point
The IMM172A has a 6-Point opening of 17 mm, 13.7 mm deep, in a body 50.8 mm long; the drive end measures 41.1 mm across. Snap-on describes the Flank Drive wrenching system as giving up to 20% more turning power without slipping or rounding the fastener, while exceeding ANSI performance standards.
Key features
- Socket end 29.2 mm across, drive end 41.1 mm across, bolt clearance depth 27.2 mm
- Hex depth lets the socket begin threading a nut onto a stud; Snap-on contrasts this with deeper-hex sockets that need the nut started by hand
- Heat treatment gives lower hardness than hand sockets, aimed at repeated cycling loads from impact wrenches
- Square drive side hole accepts ball- or pin-type retention
- Industrial finish listed by Snap-on for corrosion protection
- Specifications
| Part Number | IMM172A |
| Brand | Snap-on |
| Size, mm | 17 |
| Drive Size, inches | 3/4 |
| Style | 6-Point |
| Dimension A, Socket End Diameter, mm | 29.2 |
| Dimension B, Drive End Diameter, mm | 41.1 |
| Dimension C, Bolt Clearance Depth, mm | 27.2 |
| Dimension D, Length, mm | 50.8 |
| Dimension E, Opening Depth, mm | 13.7 |
| Finish | Industrial |
| Country of Origin | USA |
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