Precision CNC Carbon Steel/Stainless Steel Hexagon Head Bolt/Screw Bolt/Carriage Bolt/Hex Flange Bolt/Hex Heavy Bolt/Socket Head Cap Screw/Flat Square Head Stud Bolt with Nut

Product description

The meaning of the performance grade of hexagonal socket bolts is an internationally recognized standard. Bolts with the same performance grade, regardless of their material and origin, have the same performance, and only the performance grade can be selected for design.

The grading of hexagonal bolts is basically like this, and the prices in the market will definitely vary depending on the grade. The price of high-strength hexagonal bolts is definitely much higher than that of ordinary hexagonal bolts. The four types commonly used in the market are 4.8, 8.8, 10.9, and 12.9.



Cylindrical head socket head screws, also known as socket head bolts, cup head screws, and socket head screws, have different names but represent the same meaning. The commonly used hexagon socket head cap screws also have grades 4.8, 8.8, 10.9, and 12.9. Also known as hexagonal socket screws, also known as hexagonal socket bolts. Its head is hexagonal and also cylindrical. There are stainless steel and iron according to material. Stainless steel has stainless steel SUS202 socket head cap screws, which are made of ordinary stainless steel material. There are stainless steel SUS304 socket head cap screws and stainless steel SUS316 socket head cap screws. Iron is classified according to the strength grade of hexagon socket head screws, including 4.8 grade hexagon socket head screws, 8.8 grade hexagon socket head screws, 10.9 grade hexagon socket head screws, and 12.9 grade hexagon socket head screws. Grade 8.8-12.9 hexagonal socket head cap screws are called high-strength and high-grade hexagonal socket bolts.






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Shenzhen Bailian Hardware Co., Ltd.

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