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uxcell M6x20mm Tampa Mall Button Head Hex Socket outlet 50pcs Cap Black Screw Bolt

uxcell M6x20mm Button Head Hex Socket Cap Screw Bolt Black 50pcs

$6

uxcell M6x20mm Button Head Hex Socket Cap Screw Bolt Black 50pcs

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Product Description

1. What is a hexagon socket screw?

The outer edge of the head of the hexagon socket screw is round, and the middle is a recessed hexagon. It is usually used with a hexagon wrench. Commonly used in machinery, it mainly has the advantages of easy fastening, disassembly, and not easy to slip corners.

2. What is the application range of hexagon socket screws?

Hexagonal screws are widely used, ranging from household hardware, electrical products, mechanical equipment products, to the wind power industry, the aerospace industry, office equipment industry, the electronics industry, the communications industry, the shipbuilding industry, etc.

3. What are the grades of hexagon socket screws?

The performance grades of hexagon socket screw are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, among which screw of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (quenched, tempering), commonly known as high-strength screw, and the rest are commonly known as ordinary screw. According to the stainless steel material, there are 201, 304, and 316 stainless steel.

Notice: Please view the detailed information of the linked product for the specific size. Please purchase the appropriate size according to your needs.

uxcell M6x20mm Button Head Hex Socket Cap Screw Bolt Black 50pcs