1/2"-12 Hex Nut

Core Info

 

Product: 1/2"-12 Hex Nut
Standard: ASME/ANSI B 18.2.2
Raw material: Q195,ZT195,35K,45K,etc.
Surface: Black,ZP,YZP,HDG,etc.

Property Class: 2,5,8

 

The 1/2"-12 hex nut is a standard imperial fastener with a 1/2-inch nominal diameter and 12 threads per inch, featuring coarse thread specification and six-sided hexagonal structure for easy wrench tightening. It boasts balanced tensile strength and anti-loosening performance, making it widely adopted across machinery, construction, automotive and hydraulic industries.

In automotive manufacturing, it secures chassis assemblies, suspension brackets, brake caliper mounts and exhaust pipe flanges. Its stable thread fit withstands continuous vibration from road driving, preventing component separation during long-distance travel. Heavy-duty commercial vehicles and off-road machinery rely on this nut to fasten wheel hub accessories and transmission casings, bearing dynamic mechanical loads reliably.

General mechanical equipment extensively uses it for assembling gearboxes, pump bodies, motor bases and conveyor frame joints. Factories apply carbon steel zinc-plated 1/2"-12 hex nuts for regular workshop equipment, while black oxide high-strength variants serve heavy press machines and metal cutting tools to resist friction and moderate impact loads.

Construction and structural engineering deploy these nuts to connect steel pipe supports, metal trusses and guardrail frameworks. They fasten solar panel mounting brackets and outdoor metal railings; galvanized surface treatment enhances rust resistance for long-term outdoor exposure. Hydraulic and pneumatic systems also adopt this fastener to lock pipeline flanges and valve blocks, maintaining tight sealing under medium fluid pressure.

Additionally, agricultural machinery like tractors and harvesters uses 1/2"-12 hex nuts to assemble tillage components and engine mounts, tolerating dust, mud and frequent mechanical shaking. Its universal imperial size matches most American-standard bolts, supporting convenient part replacement and maintenance across all above scenarios.

We are certified by ISO9001:2015, IATF16949:2016, and other international quality standard certifications.

Long-term quality warranty and comprehensive after-sales service are provided.

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, our product range covers diverse market segments from mid-range to high-end and is distributed worldwide

 

Our factory & quipment

 

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