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  • Earnest Machine has recently launched a new range of metric hex flange head bolts available exclusively in the UK in 10.9 and 8.8 metric hex head bolts manufactured to DIN 6921 and PPAP class 3 app...

    Earnest Machine has recently launched a new range of metric hex flange head bolts available exclusively in the UK in 10.9 and 8.8 metric hex head bolts manufactured to DIN 6921 and PPAP class 3 approved. Grades 10.9 and 8.8 are available in clear trivalent zinc plating and are available in diamet...
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  • Hot-selling Heavy Hex Bolt A325/A490

    We may earn income from the products offered on this page and participate in affiliate marketing programs. Learn more > Standard SAE and metric measurements can be problematic when working on a car, truck or motorcycle. International production results in a seemingly random application of thes...
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  • how to understand chemical anchors?

    The chemical anchor bolt is a new type of anchor bolt that appears after the expansion anchor bolt. It is a composite part that is made of a special chemical adhesive that fixes the screw rod in the drill hole of the concrete base material and realizes the anchoring of the fixing part. Chemical A...
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  • DO YOU REALLY UNDERSTAND HEXAGON SOCKET BOLTS AND EXTERNAL HEXAGON BOLTS?

    Both are hexagonal, so what is the difference between the outer hexagon and the inner hexagon? Here, I will talk about the appearance, fastening tools, cost, advantages and disadvantages, and applicable occasions of the two in detail. Exterior Hexagonal bolts/screws should be familiar to everyone...
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  • WHAT IS A HEXAGONAL BOLT HEXAGONAL BOLT SPECIFICATION

    Hexagonal bolts are often encountered in daily life, but because there are many kinds of hexagonal bolt specifications, it also causes some troubles for consumers to choose hexagonal bolts. Today, let’s take a look at what is a hexagonal bolt and the specification of a hexagonal bolts bolt, for y...
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  • INTRODUCE SEVERAL METHODS OF ANTI-LOOSENING HEX NUTS!

    There are three commonly used anti-loosening methods for hex nuts: frictional anti-loosening, mechanical anti-loosening and permanent anti-loosening. 1. Friction and anti-loosening, use: hexagonal nuts, spring washers, self-locking hexagonal nuts, etc. ① Spring washer anti-loosening The material ...
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  • BASIC KNOWLEDGE OF HEXAGON BOLTS

    Hexagon bolts actually refer to fasteners consisting of a head with a screw. Bolts are mainly divided into iron bolts and stainless steel bolts according to material. Iron is divided into grades, with the common grades being 4.8, 8.8, and 12.9. Stainless steel is made of stainless steel SUS201, S...
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  • 5 Basic Types of Screws Every DIYer Should Know

    While screws may be unfamiliar, they find their way into construction, hobbies, and furniture manufacturing. From everyday tasks like framing walls and making cabinets to making wooden benches, these functional fasteners hold just about everything together. So choosing the right screws for your p...
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  • The China Import and Export Commodities Fair will open in Guangzhou on April 15, 2023 Beijing time.

    The China Import and Export Commodities Fair will open in Guangzhou on April 15, 2023 Beijing time.

    The China Import and Export Commodities Fair will open in Guangzhou on April 15, 2023 Beijing time. The exhibition will be held from April 15th to 19th. Our Tiancong company will participate in this exhibition. The entry time is from April 15th to April 19th. Our booth of Tiancong Company is loc...
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  • The German exhibition was a complete success

    The German exhibition was a complete success

    On March 23, 2023, the Fastener Exhibition in Stuttgart, Germany, concluded successfully in Stuttgart, Germany! Handan Tiancong Fastener Manufacturing Co., Ltd. was invited to participate in the exhibition, displaying standard and non-standard fasteners, as well as various latest products and tec...
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  • Discussion on Blackening Treatment of Hexagon Bolts by Hexagon Bolt Manufacturers

    What are the treatment methods for blackening of hexagon bolts? Its production process is different from ordinary fish. In addition to substrate processing technology, it can also be used for… It is mainly used for large hexagon heads, also known as large hexagon heads, steel structures, et...
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  • Classification of hex nuts

    According to the nominal thickness, hex nuts are divided into three types: type I, type II and thin type. Nuts above grade 8 are divided into two types: type 1 and type II. Type I hexagonal nuts are the most widely used. Type 1 nuts are divided into three grades: A, B and C. Among them, grade A a...
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