RS PRO Stainless Steel, Hex Nut, M4

RS PRO hex nuts are a six-sided nut that fastens screws and bolts efficiently and securely. They are the most common hexagonal fastener that has internal threads that screw on to the shank of a bolt or a hex cap screw. These metric hex nuts are available in a variety of sizes ranging from M2 to M30.
These RS PRO hex nut fasteners come in various thread sizes:
527-218 – M2
527-224 – M2.5
527-230 – M3
527-246 – M3.5
527-252 – M4
527-268 – M5
527-274 – M6
530-769 – M8
530-775 – M10
530-781 – M12
275-670 – M16
275-686 – M20
193-3479 - M24
193-3480 - M30

Hex nuts metric
To DIN934
A2 grade 18/8 stainless steel (Type 304 S15)

Hex nuts are the most common type of nut and are for general-purpose fastening applications:-
Automotive applications
Construction industry
Machinery & workshops
DIY enthusiasts and professionals
Use in manufacturing sectors such as the food industry
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FAQs
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.

Are they easy to assemble?
Hex Nuts are designed to give the user an easy assembling experience.

If A2 stainless steel is not what you are looking for, we also have the locking half nut in A4 stainless steel.

DIN 934