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Snap-on FM21 | Flank Drive Shallow Socket, 12-Point | 3/8 in Drive, 21 mm
Part Number : FM21
The FM21 is a 21 mm 12-point shallow socket with a 3/8 in square drive, with an overall length of 31.8 mm. The hex end measures 28.6 mm across and the drive end 27.8 mm; hex depth is 14.3 mm with 18.1 mm of bolt clearance depth. Flank Drive geometry lets it bear on the flanks of the fastener.
Key features
- 12-Point Flank Drive wrenching profile
- Snap-on describes 15-25% more turning power from flank gripping
- Nickel-chrome alloy finish to resist rust and corrosion
- Made from domestic steel for strength and durability
- Bolt clearance depth 18.1 mm, hex depth 14.3 mm
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