1/4 long top 6 kt 13mm

1/4 deep hex tops. Metric sizes, slim sides. The tops are suitable for use on nuts and bolts used in the aircraft industry. Not suitable for mechanical use. High alloy steel. Fluted for better grip. Suitable for use on nuts and bolts used in the aircraft industry. Dynamic-Drive™ profile that protects nuts, screws and tools from unnecessary wear and damage. Standards: ISO 2725-1/1174-1, DIN 3120