The DIN 934 nut standard was eliminated in 2002 and upgraded to ISO 4032 "Hexagon Nut Type 1" and ISO 8673 "Type 1 Hex Nut - Fine Teeth" standard. The standard nut thickness has been increased, so the mechanical performance standard is adopted. ISO 898-2 stipulates that the load of the nut increases with the increase of the specification. For example, the 8-level nut gradually increases from 855 MPa of M5 to 920 MPa of M39. Because the guaranteed load of the nut is in addition to the production process and materials, it is also closely related to the thickness of the nut (ie the number of effective turns of the nut and bolt). Since the DIN 934 standard is still the old opposite side and the thinner nut height (relatively upgraded ISO 4032 and ISO 8673), the mechanical performance is still carried out by the old DIN 267-4 "Technical Conditions for Fastener Delivery - Mechanical Properties of Nuts". For example, the “—8—†nut has a strength that is mostly small, and its guaranteed load is a constant value of 800 MPa. Unlike the ISO 898-2 standard, the guaranteed load of the nut increases as the specification increases. Therefore, in order to distinguish the mechanical performance grade of ISO 4032 nut, DIN934 specifies "-8" on the grade of DIN934 nut to distinguish it from the 8-level strength grade of ISO standard. This is a special case of the DIN standard. A decorative Floor Lamp is a stylish and functional lighting fixture that adds a touch of elegance and sophistication to any space. It is a versatile piece of decor that can be used in various rooms such as living rooms, bedrooms, and even offices. Decorative Floor Lamp,Decorative Floor Light,Decor Floor Lamp,Decor Floor Light Zhongshan Seekyo Lighting CO., Ltd. , https://www.seekyolighting.com
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