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Snap-on IMFMS21 | 3/8 in Drive 6-Point Metric Semi-Deep Impact Socket | 21 mm, Flank Drive
Part Number : IMFMS21
This semi-deep impact socket fits 21 mm fasteners through a 6-point opening and drives from a 3/8 in square; overall length is 65.7 mm. Item IMFMS21 gives 29.3 mm of bolt clearance depth.
Key features
- Socket-end diameter 29.2 mm, drive-end diameter 25.1 mm
- Opening depth 12.4 mm; bolt clearance depth 29.3 mm
- The Flank Drive wrenching system is stated to deliver up to 20% more turning power while resisting slip and rounding
- Hex-end depth lets the socket start a nut onto the stud
- Heat-treated for impact service, at a lower hardness than hand sockets, to cope with repeated impact-wrench cycling
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