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Self-tapping screws must be heat treated
2021-11-15 00:00
Self-tapping screws are generally manufactured by cold heading process, hot heading (pressing) process, cold extrusion extrusion process or cutting process, for self-tapping screws with a nominal diam...
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Screw inspection method
2021-11-15 00:00
Screw surface inspection is divided into two kinds, one is after the screws is not produced before the plating of the test, the other is the screws after the plating of the test, which means that afte...
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A brief history of screws invention
2021-11-15 00:00
The first person to describe the spiral was the Greek scientist Archimedes (circa 287 BC - 212 BC). The Archimedean spiral is a giant spiral mounted in a wooden cylinder that lifts water from one leve...
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Basic meaning of screws
2021-11-15 00:00
Screws are tools that use the physics and mathematics of an object's beveled circular rotation and friction to gradually fasten mechanical parts. Screws are a common term for fasteners, spoken da...
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How to select non-standard screws according to the head
2021-11-15 00:00
As a customized product, non-standard screws are of course different from standard parts on the market. So when customizing non-standard screws, how do we choose the type according to the head of the ...
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What are the advantages of hexagon socket screws
2021-11-15 00:00
Everyone is no stranger to hexagon socket screws, and their applications are also very common. The general head type has countersunk head hexagon, flat head hexagon, cup head hexagon, which is what we...
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Several common surface treatment methods for self-tapping screws
2021-11-15 00:00
Can self-tapping screws be made into gold or other colors? In fact, this involves a problem, that is, the surface treatment of self-tapping screws. Next, screws manufacturer Hangzhou Lizhan Hardware C...
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What are the processing methods of screws manufacturers
2021-11-15 00:00
In fact, screws processing methods mainly include forging processing and turning processing. There are two types of forging processing: cold heading and hot heading. Cold heading is a process in which...
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What are the reasons for the rust of self-tapping screws
2021-11-15 00:00
Everyone is no stranger to self-tapping screws. They are more common on plastic parts. Generally, there is no need to drill holes and tap threads. They can be used on the material to be consolidated, ...
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What are the differences between wood screws and self-tapping screws
2021-11-15 00:00
Recently, a customer asked if wood screws and self-tapping screws are the same. Just taking advantage of this opportunity, xxx will talk to you about the difference between wood screws and self-tappin...
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What are the advantages of galvanized screws
2021-11-15 00:00
Galvanized screws are currently mainly hot-dip galvanized. As we usually do, there are white zinc, blue zinc, blue and white zinc screws, etc. What are the advantages of galvanized screws? 1. Low pr...
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How to judge whether stainless steel screws are qualified
2021-11-15 00:00
Stainless steel screws are widely used in various industries in our lives, so how to judge whether stainless steel screws are qualified? 1. One method that everyone knows is to use a magnet to attract...
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Lizhan Hardware Co., Ltd. regards quality
first, honesty is the company's management,
customer first is our service philosophy, and
won praise and affirmation from customers.

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No.2 Yuanrun Park, DaiFeng Road , Wanghai town, Haiyan, Jiaxing City, Zhejiang （China Factory）. / 18 M.1 T.BANBUENG A.BANBUENG CHONBURI 20170 (Thailand Warehouse)
314300
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(Sales office):+86-18767197112 (WHATSAPP, WECHAT)
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