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Snap-on STMM13 | 1/4 in Drive 6-Point Flank Drive Deep Socket | 13 mm, 50.8 mm long
A 6-point socket for 13 mm fasteners, STMM13 is a deep 1/4 in drive design, 50.8 mm long, with a chrome finish. The socket end measures 18.3 mm across and the drive end 17.5 mm. Snap-on lists it in its Flank Drive Sockets range, under Deep, mm, Chrome (1/4").
Key features
- Opening size 13 mm, 6-point
- Overall length 50.8 mm, hex depth 8.7 mm
- Bolt clearance depth 37.2 mm
- 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 | STMM13 |
| Brand | Snap-on |
| Square Drive | 1/4 in |
| Size | 13 mm |
| Style | 6-Point |
| Length | 50.8 mm |
| Hex Depth | 8.7 mm |
| Bolt Clearance Depth | 37.2 mm |
| Hex End Diameter | 18.3 mm |
| Drive End Diameter | 17.5 mm |
| Finish | Chrome |
| Country of Origin | USA |
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