| Common Specifications | Common Models | Grade |
| M16 | M16*(35-500) Bolt | 6.8/8.8 |
| M16 | M16 Nut | |
| M20 | M20*(50-500) Bolt | |
| M20 | M20 Nut | |
| M24 | M24*(50-500) Bolt | |
| M24 | M24 Nut |
Power screws generally refer to the fastener system widely used in the power industry and wind power industry. Because they generally only need bolts, and other parts are fixed by pouring, so generally only power bolts are discussed in the power industry, but other such as power iron frames Corresponding nuts are required.
Power bolts can be divided into ordinary power bolts and wind power bolts according to the classification of their uses.
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