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Din 439 Lock Nuts are standard nuts with a reduced height in comparison to the hexagon full nut. Also known as ‘lock’ nuts; they are commonly used with any male fastener with the same thread diameter and pitch, used to mate a stack or single part together.
Following are the specification for DIN 439 Lock Nuts
- Wrench Size: 4/6”
- Thread: Coarse
- Type: Hex Nut
- Grade: Free Cutting Brass, CDA 360 Brass, C360 Brass
- Material: Brass, Steel or Stainless Steel, Brass CZ 121
Standard Followed for DIN 439 Lock Nuts
- BS 3692
- BS 57
- IS/ 1363
- IS/ 1367
All measurements are in millimeters (mm)