Union Bolt Silica Sol Investment Casting

Product Introduction

Swing bolts, also known as eyelet bolts in China, follow the GB/T798-88 standard; they are also called fish eye bolts abroad, and follow the DIN444 standard. Refined eyelet bolts, smooth spherical surface, high thread precision, thread specifications from M6 to M64. The surface treatment of swing bolts includes: hot-dip galvanizing, immersion plating, white plating, color plating, and other anti-corrosion measures. The factory color of high-strength bolts is boiled black and blue. The materials are: Q235, 45#, 40Cr, 35CrMoA, stainless steel 304 And stainless steel 316, and so on.

Application items: filter self-rescuer, gas detection instrument, dust mask, mine raincoat, mine explosive device

Application details: Union bolt silica sol investment casting is widely used in: low temperature and high-pressure valves, pressure pipes, fluid engineering, oil drilling equipment, oil field equipment, and other fields, often in the occasions or tools such as valve industry, folding bicycle, Used on baby carriages, because the use of the swing bolt is convenient and fast, and it can be used with the matching nut to connect and fasten, so the application range is very wide. For valve swing bolts, the sealing problem cannot be ignored, because the phenomenon of valve running, leaking, and dripping all come from here, and the quality of valve swing bolts must be guaranteed to ensure the safety of use.

Marking example: Thread specification d=M10, nominal length l=100mm, property grade 4.6, mark for swing bolts without surface treatment: Bolt GB 798 M10×100

Is the swing bolt a fisheye bolt?

Fisheye bolts are swing bolts. Usually, when we talk about them, they are the same fastener by default, but because of the difference between the national standard and the German standard, the swing bolts are not the only fisheye bolts. The standards for swing bolts include the national standard GB/T798 and the German standard DIN444. The swing bolts of the national standard are also called eyelet bolts, while the swing bolts of the German standard are fish-eye bolts, also called eye bolts. So many people say that fish-eye bolts are The name of the swing bolt abroad.

Where are swing bolts used?

You should understand the relationship between swing bolts and fisheye bolts. Then talk about the function and use of the swing bolt. The head of the swing bolt is a spherical surface with holes, and the spherical surface is very smooth. It is used together with other shafts to play a role in rotation. It is simple and convenient to install, and the thread precision of the swing bolt is relatively high. As an accessory, it can improve the overall quality of the workpiece.

Swing bolts are often used on occasions that need to be opened and loaded frequently or on tooling components. Union bolt silica sol investment casting is widely used in high-pressure valves, pressure pipelines, fluid engineering, oil drilling equipment, oil field equipment, safety instruments, gas detection instruments, textile machinery, medical equipment, etc., and is commonly used in valves, animal husbandry, ships, and other fields Swing bolts.

Detection Systems

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