High Quality M12*1.75 UNC Threaded Carbon Steel 4.8 8.8 Metal Bolt Stud bolt Galvanized
| Name | Metal Bolt |
| Standard | DIN, ASME, ANSI, ISO |
| Material | Steel |
| Place of Origin | China |
| Finish | Polish, Passivation, Black, Galvanization, Chromate, Dacromet |
| Certificate | ISO9001:2008, ROHS |
| Used | Building Industry Machinery |
| Thread Type | Coarse, Fine |
| Usage | Fastening |
| Function | Connection, Fastening and Decoration |
| Strength | High |
| Size | Various sizes available |
| Measurement System | INCH, Metric system |
Double - ended studs, also called toothed bars, are key components in the fastening industry. Carbon steel double - ended studs come in a variety of thread types, including M6, M8, M10, and M12. These different thread sizes allow for precise matching with corresponding nuts and holes.
The DIN975 standard ensures that full - thread metal double - ended studs meet specific quality criteria. The strength of these studs can range from 4.8 for relatively low - stress applications to 12.9 for high - load scenarios.
Surface treatments such as galvanizing and zinc plating enhance the durability of double - ended studs. Galvanized studs are particularly resistant to saltwater and other corrosive environments, making them suitable for marine applications. Zinc - plated white studs are often used in indoor settings where a clean and bright appearance is desired.
Aluminum double - ended studs, with their excellent machinability and corrosion resistance, are used in industries like construction of lightweight structures and in the manufacturing of consumer products. Their use helps in reducing the overall weight of the assembled products without compromising on strength.
-
Industrial Machinery Assembly: Used to connect heavy-duty components (e.g., gearboxes, engine blocks) in manufacturing equipment, ensuring stable load distribution during operation.
-
Construction Engineering: Secures structural elements like steel beams, columns, and prefabricated panels in buildings, bridges, and infrastructure projects.
-
Automotive & Aerospace: Joins critical parts (e.g., chassis frames, engine mounts, aircraft fuselage sections) where high strength and vibration resistance are required.
-
Power Generation Equipment: Fixes turbine components, generator casings, and transmission systems in thermal, hydro, or wind power plants.
-
Heavy-Duty Furniture & Fixtures: Assembles robust furniture (e.g., industrial workbenches, storage racks) and fixtures (e.g., machine tool bases) needing durable, long-term connections.
| Aluminum | Excellent thermal/electrical conductivity but naturally soft. May produce gelatinous buildup during processing. |
| Titanium | EDM machining recommended. Requires deionized water to control heat during processing. |
| Steel | Very strong metal. Wire cutting machines often preferred for complex features. Requires heat management. |
| Brass | High tensile strength, easy to machine but requires slow cutting speed due to softness. |
-
Dual-threaded design: Enables simultaneous fastening at both ends, simplifying assembly/disassembly of connected parts (e.g., flanges, brackets).
-
Medium carbon steel construction: Offers balanced strength (typically 4.8–12.9 grade) and toughness, suitable for moderate to high-load applications.
-
Reusable & cost-effective: Can be removed and reinstalled multiple times without significant loss of performance, reducing long-term maintenance costs.
-
Gasket-free compatibility: Directly interfaces with mating surfaces or nuts, eliminating the need for additional gaskets while maintaining sealing integrity.
-
High-strength bolt compatibility: Works seamlessly with Class 8.8 and 10.9 high-strength bolts, enhancing overall joint reliability under dynamic or static loads.
-
Durable wholeness: Manufactured with precision threading and surface treatments (e.g., zinc plating, black oxide) for corrosion resistance and extended service life.
A: We are factory and OEM are available.
A: Generally 7-10 days if in stock, or 15-20 days if not in stock (depending on quantity).
A: Yes, we offer free samples but customer pays freight cost.
A: 30% T/T in advance, balance before shipment or L/C.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.