The cylindrical head design saves space and allows for a flush surface finish on assembled parts.The hex socket drive enables the application of significantly higher torque compared to Phillips or slotted drives and resists cam-out.A2(304)stainless steel provides excellent corrosion resistance against atmosphere,water,and a wide range of chemical media.The surface typically has a natural stainless steel finish(pickled or bright),which is clean and hygienic.With superior mechanical properties,it is well-suited for precision adjustment and secure fastening.
Complies with standards such as ISO 4762,DIN 912,and GB/T 70.1.Nominal diameters range from M1.6 to M36.The head diameter and height maintain standard proportions relative to the thread diameter.The hex socket size(e.g.,4mm key for M5)adheres to unified standards.Beyond the common A2-70 grade,higher-strength alternatives like A4-80(made from 316 stainless steel)are also available.
Used extensively in precision instruments,CNC machinery,optical equipment,food processing machinery,medical devices,electronics enclosures,mold insert fixing,high-end furniture,and any assembly requiring frequent disassembly,maintenance,or exposure to damp/corrosive environments.It combines"high aesthetics"with performance.
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