8 mm Metric Hex Key is a loose metric hex key for socket-drive work where the exact 8 mm width is called out on the print. The ISO 2936 width band is 8.00 / 7.94 mm, sized just under nominal so the key can enter an in-tolerance socket and bear on the flats.
Metric machinery maintenance benefits from loose replacement keys because a single lost driver can stall the repair. This family supports the metric side of the catalog, including socket-drive cap screws, flat heads, buttons, shoulders, and set screws.
Review the 8 mm size and ISO 2936 max/min width data against the print before ordering. Keeping the driver as a loose single size helps replace the exact tool without buying a full set.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
