3/8 Inch Drive x 15 mm Deep 12-Point Impact Socket BoltsandNuts.com 9 Hex Serrated Flange Nuts

9 Hex Serrated Flange Nuts JIS B1190 Zinc Clear

Part Number: M16C60ASBA2

Part Number: 31C250ASBSS

making the markings easier to see

They are gold oxide surface treated

3/8 Inch Drive x 15 mm Deep 12-Point Impact Socket BoltsandNuts.com 9 Hex Serrated Flange NutsSize is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off Deep 12 point socket opening provides an exact fit for 12 point fasteners Radiused corners prevent fastener round off by applying force to a fastener's flat sides, rather than its corners Interior socket well extends far into the socket, which allows for better fastener engagement in more situations Meets a minimum of 1. 3 times the ANSI ASME