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Snap-on IMMS180 | Metric Flank Drive Semi-Deep Impact Socket | 1/2 in Drive, 18 mm, 6-Point
Part Number : IMMS180
Sized for 18 mm fasteners, this 1/2 in drive semi-deep impact socket uses the 6-point Flank Drive design. Overall length is 56.4 mm, with 31.1 mm of bolt clearance depth. It is listed by Snap-on under Flank Drive Impact Sockets, in the Semi-Deep, mm (1/2 in) group. Other listed dimensions: Hex Depth, mm 12.7; Bolt Clearance Depth, mm 31.1; Drive End Diameter, mm 27.0; length, mm 56.4.
Key features
- Overall length 56.4 mm; bolt clearance depth 31.1 mm
- Hex depth 12.7 mm, with end diameters of None mm (hex end) and 27.0 mm (drive end)
- Flank Drive profile intended to grip without slipping or rounding the fastener
- Heat-treated to a lower hardness than hand sockets for repeated impact-wrench loading
- Side hole suits ball- or pin-type retention; industrial finish helps resist corrosion
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