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Apr 10, 2021 · Property Class 8.8 bolts and screws have a minimum tensile strength of 800 MPa for bolts and screws 16mm in diameter and under, and 830 MPa for bolts and screws with a diameter over 16mm. To give you an idea of how this compares to the strength of inch-series fasteners, 6.9 MPa are about equal to 1 kpi. 800 MPa are about 155 ksi.

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Class 8.8 Metric Hex Bolts are a medium strength, high tensile fastening solution available in coarse, fine and extra fine thread. One of the most commonly used fasteners, our Class 8.8 hexagonal bolts include DIN 933/961 Full and DIN 931/960 Partial thread options.

Jan 6, 2025 · High quality metric bolt and nut assortment kits . Grade 8.8 High Strength Industrial Hex Head Bolts & Nuts Set, More Stable Performance Than Grade 8 Bolts; Fully Threaded; High Quality Alloy Steel Materials，Sturdy And Durable; Galvanized Exterior For Corrosion Resistance

Choose from our selection of metric Class 8.8 steel cap screws, including over 1,300 products in a wide range of styles and sizes. Same and Next Day Delivery.

Mar 28, 2022 · Among them, bolt grade 8.8 and above are made of low-carbon alloy steel or medium carbon steel and are generally called high-strength bolts after heat treatment (quenching and tempering), and the rest are generally called ordinary bolts.

Metric hex bolts, Class 8.8 Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.

Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts. A bolt with a six sided head. Zinc plated for moderate corrosion resistance. A tempered medium carbon steel. Class 8.8 is hardened, but it is not as strong as class 10.9.