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11- 14
How about the size of expansion screw?
The character code of the thread uses the letter "m": the bolt specification M14 indicates the metric bolt with the thread diameter of 14mm. M stands for "metric, metric" thread.
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07- 30
What is building hardware?
The general term for metal and non-metal products and accessories installed in buildings or structures. Generally, the utility model has double effects of utility and decoration.
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07- 30
Characteristics of plastic sliding bearing?
The plastic linear bearing can be made into not only the shape of shaft sleeve, but also the plastic linear bearing, provided that the material must be self-lubricating to improve its comprehensive wear resistance
