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A nut conforming to DIN 439, commonly known as a half nut, thin nut, or jam/lock nut.
Designed with a reduced height, these nuts are typically tightened using a spanner or socket, and are often used in pairs or in combination with a full hex nut to create a secure locking arrangement.
This method, often referred to as the double nut technique, helps prevent loosening under vibration and load, making them ideal for a wide range of engineering and assembly applications.
A widely used and well-established fastener, half nuts have been relied upon for decades across mechanical, construction, and general engineering industries worldwide.
- DIN 439 / ISO 4035 standard half nuts
- Thin pattern design for space-saving applications
- Ideal for use as a lock nut with a full nut
- A2 stainless steel (304 grade) for corrosion resistance
- Suitable for indoor and outdoor use
- Compatible with metric bolts and threaded rods
- Durable and reusable construction
Shop All A2 Lock Nut (Half Nuts)
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