Double End Studs Q120
Product: Double End Studs Q120 B1=1.25D
Standards: Q120 Q121
Raw Materials: carbon steel, alloy steel, stainless steel, B7, etc.
Surface Treatment: black oxide, zinc plating, hot-dip galvanizing, Dacromet, Geomet, zinc-nickel coating for anti-corrosion
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Q120 and Q121 double end studs are widely used heavy-duty threaded fasteners, commonly applied for flange connections, pressure vessels, pipeline equipment, and mechanical assembly. These studs feature threads on both ends, designed to mate with nuts to clamp two components tightly together.
Q120 double end stud: equal thread length on both ends. Q121 double end stud: one end with longer thread, suitable for installations requiring deeper screwing or adjustment space
B1=1.25d
Key Characteristics
Reliable connection performance, good tensile resistance under high load
Stable thread precision, smooth nut assembly without jamming
Customizable material: carbon steel, alloy steel, stainless steel, B7, etc.
Surface treatment options: black oxide, zinc plating, hot-dip galvanizing, Dacromet, Geomet, zinc-nickel coating for anti-corrosion
Strictly controlled dimensional tolerance, consistent mechanical property
Suitable for high temperature, high pressure and corrosive working conditions
Available in multiple thread standards: Metric, UNC, UNF upon request
Application Fields
Pressure vessel, pipe flange, chemical industry, petroleum, power equipment, engineering machinery, boiler, valve and other heavy industry fastening scenarios.
Packaging, Certifications & Services
Packaging Options: PP bags, small boxes, cartons, pallets ,wooden box and iron drums; custom packaging available upon request.
Certifications: API-20E ISO9001:2015 and IATF16949:2016 quality system certified.
Services: Flexible bulk order terms; negotiable transport and delivery schedules. Long-term quality warranty and full after-sales technical support provided.
Main Sales Markets: North America, Europe, Southeast Asia, the Middle East etc.
Established in 2005, our company has evolved over two decades of continuous development into a leading regional enterprise in the fastener industry with fully automated end-to-end production. With an annual output value exceeding RMB 130 million,with more than 70 employees . our product range covers diverse market segments from mid-range to high-end and is distributed worldwide
95% of our products are exported to all regions of the world and enjoy high popularity among global customers
Our factory & quipment
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