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The NORSOK M650 standard is a crucial specification in the Norwegian petroleum industry, particularly relevant to the petrochemical and offshore sectors. It focuses on fasteners, which are essential components in the construction and operation of oil and gas facilities such as platforms, pipelines, and refineries. This standard ensures the integrity and safety of these critical infrastructure elements.

For example, in an offshore platform, thousands of fasteners are used to connect various structural members and equipment. The NORSOK M650 standard provides the necessary guidelines to ensure that these fasteners can withstand the harsh marine environment, including extreme weather conditions, corrosive seawater, and high - pressure differentials.

API 20F is a standard specifically tailored for fasteners in the petrochemical field. It covers a wide range of aspects related to fastener design, material selection, manufacturing, and testing. These fasteners include bolts, nuts, and studs used in critical applications such as oil refineries, petrochemical plants, and offshore oil and gas platforms. For example, in an oil refinery, the flanges connections in the piping system demands fasteners that meet API 20F to ensure leak - free and safe operation. The standard details the dimensions, tolerances, and thread specifications of these fasteners to guarantee compatibility and proper fit.

In the petrochemical industry, API 20E is a crucial standard for fasteners, playing a vital role in ensuring the quality and performance of fasteners. This standard covers multiple aspects including material selection, manufacturing processes, and product inspection, providing strict guidelines for the industry.

UNF Hex Head Set Screws UNF Hex Head Bolts UNF Socket Head Cap Screws UNF Hex Nuts UNF Nyloc Nuts UNF Dome Nuts UNF Hex Lock (Thin) Nuts UNF Wing Nuts Imperial Table 3 Flat Washers Imperial Spring Washers (Rectangular) Imperial Spring Washers (Square)

Metric Hex Nuts (DIN 934) Metric Hex Thin Nuts (DIN 439) Metric Nyloc Hex Nuts (DIN 982) Metric Nyloc Hex Thin Nuts (DIN 985) Metric Dome Nuts (DIN 1587) Metric Dome Nyloc Nuts (DIN 986) Metric Flange Nuts (DIN 6923) Metric Wing Nuts (DIN 315) Metric Square Nuts (DIN 557) Metric Lifting Eye Nuts (DIN 582) Metric Form A Washers (DIN 125) Metric Form B Washers (DIN 125/B) Metric Form C Washers Metric Type M Washers Metric Penny Washers Metric DIN 9021 Washers Metric Washers for Cheesehead (DIN 433) Metric Shakeproof (int) Washers (DIN 6797) Metric Spring Washers (DIN 7980) Metric Spring Wave Washers (DIN 137)

20130205021646_15061.jpgMetric Hexagon Head Bolts (DIN 931) 20130205021726_62690.jpgMetric Hexagon Head Setscrews (DIN 933) 20130205021809_69194.jpgMetric Flange Hex Bolts (DIN 6921) 20130205021923_36762.jpgMetric Socket Head Cap Screws (DIN 912) 20130205022007_38589.jpgMetric Socket Head Button Screws (ISO 7380) 20130205022042_49663.jpgMetric Socket Head Flange Button Screws 20130205022111_92235.jpgMetric Slotted Mushroom Screws 20130205022144_31008.jpgMetric Philips Raised Pan Screws (DIN 7985) 20130205022228_45809.jpgMetric Philips Raised C/sunk Screws (DIN 966) 20130205022300_98720.jpgMetric Slotted Raised C/sunk Screws (DIN 964) 20130205022333_93688.jpgMetric Socket Head Countersunk Screws (DIN 7991) 20130205022405_80002.jpgMetric Slotted Countersunk Screws (DIN 963) 20130205022436_36795.jpgMetric Slotted Cheesehead Screws (DIN 84) 20130205022510_58540.jpgMetric Flat Point Grub Screws (DIN 913) 20130205022536_87209.jpgMetric Cone Point Grub Screws (DIN 914) 20130205022608_12362.jpgMetric Carriage Bolts (DIN 603) 20130205022645_36996.jpgMetric Lifting Eye Bolts (DIN 580) 20130205022707_90257.jpgMetric Threaded Rod (DIN 975)