• DIN : 439
• ISO : 4035
• DIAMETER : M-6 TO M-20
• THREAD : Metric , BSW

Hexagon thin nuts are manufactured to DIN 439. Also known as a half nut, jam nut and lock nut. Typically fitted with a spanner or ratchet with socket, often used in pairs or in conjunction with a hexagon full nut in a locking arrangement. Available in various thread patterns and materials.