WebNov 8, 2024 · The metric bolt grades are designated by a symbol of 2 numbers, separated by a decimal. The common metric bolt grades/classes are 4.8, 8.8, 10.9 and 12.9. The metric bolt grades have specific bolt strength grades. No matter the system used to grade the bolts, the higher the bolt grade number, the stronger the bolt. WebAug 12, 2024 · Table 1.Grade/ClassStrengthGrade 5Medium strength.Grade 8High strength.Metric Class 4Similar to Grade 2.Metric Class 8.8Similar to Grade 5.10 more rows What is 8.8 on a metric bolt? So, in English, a Property Class 8.8 bolt is a bolt with a nominal tensile strength of 800 MPa and a nominal yield strength that is 80% of that …
Difference Between High Tensile Steel and Mild Steel, Grade …
WebHigh-Strength Metric Class 10.9Steel Flanged Hex Head Screws. These metric screws are at least 25% stronger than medium-strength steel screws. Use them in high-stress applications, such as valves, pumps, … WebMechanical Properties Per ISO 898-1 (Externally Threaded Fasteners) Min. Proof Strength Min. Tensile Strength Min. Yield Strength MPa MPa Min. Max. MPa M5 - M16 580 800 (116,000 PSI) C22 C32 640 M18 - M39 600 830 (120,000 PSI) C23 C34 660 ... Class Grade Identification Marking Class 8 Low to Medium Carbon Steel 800 C30 Typical … hp all in one paper jam
Metric Steel Bolts - Grades and Property Classes
Webthe susceptibility of common fastener strength grades to HE. As a footnote, in some special circumstances, (for example in subsea applications in which cathodic protection is used) fasteners of hardness greater than 34 HRC are susceptible to hydrogen induced brittle fracture. Property class 10.9 fasteners can experience hydrogen induced cracking. WebThe most common bolt grades are Grade 2, Grade 5, Grade 8, and Alloy Steel. Grade 2 bolts are made of low-carbon steel and are the most common type of bolt. They are relatively strong, but not as strong as Grade 5 or Grade 8 bolts. Grade 5 bolts are made of medium-carbon steel and have a tensile strength of at least 120,000 PSI. WebLow Carbon Grade 5 Grade 8 Class 8.8 Class 10.9 Class 12.9 US bolt head markings Metric bolt head markings 8.8 10.9 12.9 Hex bolts, or hex cap screws, are used in machinery and construction. Can be used with a nut, or in a tapped hole. Fully threaded hex bolts are also known as tap bolts. Wood screws have large threads and a smooth hp all in one printer 8710 driver