A 5/16" hex impact driver bit.
S2 STEEL
Features
4mm hex bit for driving hexagonal fasteners.
Engineered for high-torque applications with impact drivers.
Features a standard 5/16" hexagon drive shank for wide compatibility.
5mm hex bit designed for use on hexagonal fasteners.
Features a standard 5/16" hexagon drive shank for compatibility with impact-rated bit holders and drivers.
Drives 6mm hexagonal fasteners.
Features a standard 5/16" hexagon drive shank for use with compatible impact-rated bit holders.
Drives 8mm hexagonal fasteners.
Features a standard 5/16" hexagon drive shank for wide compatibility with impact-rated bit holders and drivers.
Drives 10mm hexagonal fasteners.
Sizes & specifications
Part no. | Size | Length | Weight | Docs | Availability |
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Dimensions shown in inches with millimeters in parentheses — figures come straight from the official Teng Tools product data. Docs links open the official Teng Tools PDF data sheet, user manual or parts diagram for that part number.
Availability & help
Items marked “In store” are stocked at tengtoolsusa.com and ship from our Fort Worth, Texas warehouse. For anything marked “Ask us”, contact us — we can usually get it. Every Teng Tools hand tool carries our lifetime warranty against manufacturing defects.