RS PRO, Plain Stainless Steel Hex Nut, DIN 439, M4

DIN 439 – Hexagon thin nuts. If A2 stainless steel is not what you are looking for, we also have the locking half nut in A4 stainless steel. RS PRO Hex Nuts - A2 Stainless Steel Locking Half Nut. The RS PRO A2 stainless steel locking half nuts have been designed for you to use when a nut has to be locked without clamping against another object. Hex nuts are the most common hexagonal fastener that has internal threads that screw on to the shank of a bolt or a hex cap screw. Features and Benefits:. Good resistance to corrosion Value for money Half the height of normal nuts Due to the hexagon nut having six sides it makes it easier to work with and is very versatile Easy to tighten and loosen Accessible from 360 degrees due to their shape These RS PRO hex nut fasteners come in various thread sizes: ; 122-4399 122-4399 – M2.5 ; 122-4400 122-4400 – M3 ; 122-4401 122-4401 – M4 ; 122-4402 122-4402 – M5 ; 122-4403 122-4403 – M6 ; 122-4404 122-4404 – M8 ; 122-4405 122-4405 – M10 ; 122-4406 122-4406 – M12 ; 122-4407 122-4407 – M16 ; 122-4408 122-4408 – M20. Typical Applications:. Use as locking nut Use in manufacturing sectors such as the food industry Automotive Applications Construction Industry General Industry Machinery Workshops DIY enthusiasts Home What is A2 Stainless Steel? Stainless steel comes in many grades, the most popular being, A2 stainless steel which is a corrosion resistant steel also known as 304. The other common grade of stainless steel is A4 or 316. A2 stainless steel is often used in the food and catering industries. Stainless steel nuts, fasteners, screws and bolts are often manufactured from A2 stainless steel as the metal offers strong abrasion resistance, good resistance to corrosion and reliable low levels of distortion.