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Snap-on STM18 | 1/4 in Drive 6-Point Flank Drive Deep Socket | 9/16 in, 2 in long
The STM18 is a 9/16 in 6-point deep socket on a 1/4 in square drive, 2 in long overall, with a chrome finish. End diameters are 3/4 in at the socket end and 23/32 in at the drive end. Snap-on lists it in its Flank Drive Sockets range, under Deep, Inches, Chrome (1/4").
Key features
- Opening size 9/16 in, 6-point
- Overall length 2 in, hex depth 13/32 in
- Bolt clearance depth 1-7/16 in
- Nickel-chrome alloy finish resists rust and corrosion
- Flank Drive system grips the flats of the fastener, which Snap-on states gives 15-25% more turning power
- Concentric thin-wall construction for strength and access
- Specifications
| Part Number | STM18 |
| Brand | Snap-on |
| Square Drive | 1/4 in |
| Size | 9/16 in |
| Style | 6-Point |
| Length | 2 in |
| Hex Depth | 13/32 in |
| Bolt Clearance Depth | 1-7/16 in |
| Hex End Diameter | 3/4 in |
| Drive End Diameter | 23/32 in |
| Finish | Chrome |
| Country of Origin | USA |
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