Our Bolt & Nut Kits are mainly used for connecting flanges. The products in high demand are full thread stud bolts and hexagon head bolts, which are mainly used in nuclear power plants, petrochemical projects, the oil & gas industry, chemical industry and so on. 


Discover our Alloy C22 stud bolts, crafted from premium Hastelloy C-22 alloy (UNS N06022 or 2.4602). With a diameter of 1-1/2 inches and a length of 200mm, these bolts provide exceptional strength and durability for critical applications. Offering a remarkable 40% elongation, they ensure secure fastening while accommodating for various thermal expansions. Benefit from their outstanding anti-oxidation and reduction performance, making them ideal for demanding environments where corrosion resistance is paramount.


Explore our Incoloy 825 stud bolts, meticulously crafted to DIN 933 standards and forged from UNS N08825 alloy, also known as 2.4858 or NS1402. With a diameter of 1 inch (DN25) and a length of 150mm, these bolts offer exceptional resistance to stress corrosion cracking, ensuring reliability even in demanding environments. With a maximum hardness of 200 HB, they provide robust fastening solutions for various industrial applications.


Discover our UNS N05500 Allen head bolts, crafted from resilient Monel K500 alloy, renowned for its exceptional resistance to strong acids, alkalis, and high temperatures. With a 1/2-inch diameter (DN15) and 80mm length, these bolts offer reliability and durability in high-pressure environments, ensuring optimal performance where strength and corrosion resistance are essential.


Explore our selection of UNS N08800 Allen head bolts, forged from durable Incoloy 800 alloy, renowned for its remarkable resistance to high temperatures and corrosive environments. With a 1-inch diameter (DN25) and 150mm length, these bolts are engineered to deliver reliability and longevity in the most demanding applications where strength and durability are paramount.


Explore our Alloy K500 stud bolts, meticulously crafted from Monel K500 (UNS N05500) alloy renowned for its exceptional corrosion resistance and high strength properties. With a diameter of 2 inches (DN50) and a length of 150 mm, these stud bolts offer robust performance in demanding environments. Their hardness ranges from 140 to 315 HB, ensuring durability and reliability in various industrial applications. Trust our factory to deliver top-quality stud bolts that meet your stringent requirements.


Explore our factory's premium-quality stud bolts crafted from Incoloy 800 (UNS N08800) nickel alloy. These 1-inch bolts with a length of 100 mm boast a hardness range of 170 to 220 HB, ensuring durability and reliability in high-temperature environments. With superior corrosion resistance properties, they are ideal for demanding applications where exposure to elevated temperatures is a concern.


Discover our superior-quality hexagonal head bolts made from Hastelloy C-22 (UNS N06022, 2.4602). These bolts, sized M30 with a length of 100 mm, offer exceptional performance with 40% elongation, ensuring robustness and flexibility in various applications. With excellent anti-oxidation-reduction properties, they are designed to withstand harsh environmental conditions effectively.


Explore our collection of DIN 933 bolts and nuts crafted from premium-grade Incoloy 825 (UNS N08825, NS1402, 2.4858). These bolts, sized M10 with a length of 60 mm, boast a maximum hardness of 200 HB, ensuring durability and reliability in diverse applications. With excellent resistance to stress corrosion cracking, they provide optimal performance even in demanding environments.


Discover our range of hexagon head bolts crafted from Monel Alloy K500 (UNS N05500), renowned for its exceptional properties. These bolts, sized M30 with a length of 50 mm, boast a hardness ranging from 140 to 315 HB, ensuring robust performance in various applications. With nonmagnetic characteristics, high strength, and corrosion resistance, they offer reliability in challenging environments.
Bolt and Nut Types: Stud Bolt, Hex Bolt, Hex Screw, Bolts and Nuts Kits

Bolt and Nut Standards
ISO 4014, ISO 4017, ISO 4033, ISO 261
DIN 938, DIN 939, DIN 940, DIN 975, DIN 976, DIN 2510, DIN 931, DIN 933, DIN 126, DIN 732, DIN 934
ASME B18.2.1, ASME B18.2.3.5M, ASME B18.2.6M, ASME B18.31.2M, ASME B18.22.1, ASME B18.2.2, ASME B18.2.4.1M, ASME B18.2.4.2M, ASME B18.2.4.6M
ANSI B18.2.1, ANSI B18.2.3.5M, ANSI B18.2.6M, ANSI B18.31.2M, ANSI B18.22.1, ANSI B18.2.2, ANSI B18.2.4.1M, ANSI B18.2.4.2M, ANSI B18.2.4.6M
Bolt and Nut Materials
ASTM A194 2H, ASTM A194 2HM, ASTM A307A, ASTM A307B, ASTM A307C, ASTM A563A, ASTM A563B, ASTM A563C, ASTM A563D, ASTM A193 B7, ASTM A193 B7M, ASTM A193 B16, ASTM A193 L7, ASTM A193 L7M, ASTM A193 B8, ASTM A193 B8M, ASTM A193 B8C, ASTM A320 L7, ASTM A320 L7M, ASTM A320 B8, ASTM A320 B8M, ASTM A194 7, ASTM A194 7M, ASTM A193 B8 CL1, ASTM A193 B8 CL2, ASTM A193 B8M CL1, ASTM A193 B8M CL2, ASTM A194 8, ASTM A194 8M, ASTM A453 660, ASTM A453 Gr660, ASTM A453 Gr.660, ASTM A453 Grade 660, ASTM A453 660A, ASTM A453 660B, ASTM A453 660C, ASTM B637 UNS N07080, ASTM B637 UNS N07718, ASTM A276, ASTM 304, ASTM 316, ASTM 304L, ASTM 316L, ASTM 321, ASTM 347
Monel 500, Monel 400
Hastelloy C22, Hastelloy C276, Hastelloy UNS N06985, Hastelloy G3, Hastelloy X
Tianium GR2, Tianium GR5, Tianium GR7
Super Austenitic stainless steel 904L
Bolt and Nut Sizes
M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M39, M42, M45, M48, M52, M56, M60, M64, M68, M72, M80, M85, M90, M100, M110
Bolt and Nut Pitch
1.25mm, 1.75mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm,
8UN, 9UNC, 10UNC, 11UNC, 12UNC, 13UNC, 14UNC, 16UNC

Fastener Surface coatings
Black, zinc coated, hot dipped galvanized, cadmium coated, PTFE coated, TEFLON coated, XYLAN coated
Colors: blue, green, red, silver, black, grey and zinc, etc.

Bolt Length: 40 - 3000 mm, customized length

Bolt and Nut Grades: 8.8, 10.9 and 12.9

Bolt and Nut Applications
Applied to flange fasteners, valve fasteners, pressure vessels, heavy industry, gas, oil, plumbing systems, building, railroad track, automation and machinery equipment, pv bracket, wind energy, container, structural steel, nuclear power plants, etc.