High Quality Hexagon Socket Head Cap Screw DIN 933 Full Thread SS304 Stainless Steel Screws
Product description
Drill holes according to the diameter of the inner hexagon to meet the requirements.
Use a cold heading machine to upset the hexagonal socket screws. A single piece can be punched with a hexagonal punch and hammered out. Similar to countersunk screws, the head of the screw is embedded in the machine and has a high connection strength, but the screw must be installed and removed using a corresponding hexagonal wrench. Generally used on various machine tools and their accessories.
Hexagon bolts are divided into ordinary and high-strength bolts according to their strength levels. Ordinary hexagonal bolts refer to grade 4.8, while high-strength hexagonal bolts refer to grades 8.8 and above, including grades 10.9 and 12.9. Grade 12.9 hex socket bolts generally refer to black hex socket cup head screws with knurled and naturally colored oil.
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