4.8/8.8 Grade Double-Headed Galvanized Bolts for High Strength Steel Structure Customization

• Customization: Available
• Material: High Strength Steel
• Type: Round Head
• Model NO.: M3-M20
• Connection: Hinged Bolts
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 4.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Bolt Material: Carbon Steel and Stainless Steel
• Surface Treatment: Cold Galvanized & Hot Galvanized & Black
• Bolt Grade: 4.8 / 8.8
• Transport Package: Export Packing
• Specification: Can be customized
• Trademark: SANJU
• Origin: Hebei
• HS Code: 7318151001
• Production Capacity: 1000000

Product Description

 

          Small batches can be customized.
                Customize various coatings

For more details, please feel free to contact customer service, we will reply you as soon as possible.

Accept customization :  Different types of products include high strength bolts, hex bolts, hex socket head cap screws, foundation bolts, stud bolts, U bolts, bolts for electric power steel tower, bolts for oil well, etc. 

What are stud bolts used for?
Stud  also known as double-headed screws or double-headed studs. Used to connect the mechanical fixed link function, both ends of the stud have threads, the middle of the screw, there are thick and thin. Generally used in mining machinery, Bridges, automobiles, motorcycles, boiler steel structures, hanging towers, long-span steel structures and large buildings.

 

 

d	p	b
M2	0.4	10
M2.5	0.45	11
M3	0.5	12
M4	0.7	14
M5	0.8	16
M6	1	18
M8	1.25	28
M10	1.5	32
M12	1.75	36
M14	2	40
M16	2	44
M18	2.5	48
M20	2.5	52
M22	2.5	56
M24	3	60
M27	3	66
M30	3.5	72
M33	3.5	78
M36	4	84
M39	4	89
M42	4.5	96
M48	5	108
M56	5.5	124

Description:

Stud is manufactured according to GB897-GB901 standard, the materials used are: Q235, 45#, 40Cr, 35CrMoA, Q345D, specifications are: M3mm-M100mm, the length can be customized according to user needs. High strength stud, 35#, 45#, 35CrMoA, 25Cr2MoV, 304, 316, 304L, 316L, 2H, 2HM, B7, B7M, B16, B8, 8, B8M, 8M, Widely used in electric power, chemical industry, oil refining, valves, railways, Bridges, steel structure, auto and motorcycle parts and other fields of double-headed bolt role: generally used in mining machinery, Bridges, automobiles, motorcycles, boiler steel structure, hanging tower, long-span steel structure and large buildings

Stud generally need to undergo surface treatment, bolt surface treatment of many types, generally commonly used electroplating, blackening, oxidation, phosphating, non-electrolytic zinc sheet coating treatment.