High Quality Steel Structures Bolt Manufacturer in China
Free samples available in our follow-up mail!
As an expert manufacturer, we offering high-quality, Custom Structural bolt solutions for all your industrial project requirements.
Quality Assurance
Strictly comply with the ISO9001 system, each production process is managed through self-routing-inspection
Delivery Assurance
we can arrange orders in advance to guarantee all orders are finished on time, even finish in advance.
Technical & Sales support
With more than 20 years’ experience of technical staff and more than 10 years’ experience of sales staff
We're Revolutionary Products
Heavy Hex Structural Bolt
Heavy hex structual bolt, whose hex head is larger than that of hex bolt, designed for steel fabrication and general construction, like bridges, highway structures buildings, ans so on, also can called heavy duty bolts.
Standard: ASTM B18.2.6 DIN6914
Material: carbon steel, alloy steel.
Size: 1/2” to 1-1/2”
Grade: ASTM A325, A490, CL 8.8, 10.9, 12.9
Surface Finish: black, zinc plated, HDG, Dacromet, Nickel, Chrome, Magni.
Thread: M, UNC, UNF
Assembled parts: Heavy hex nut (A563 DH) and Hardened steel washer ( F436)
Tension Control Bolt
Tension control bolt, also known as TC bolt, which are widely used in steel to steel constructure applications. Have two head types: heavy hex head and round head, with grade ASTM F1852 and F2280
Standard: ASTM B18.2.6; DIN
Material: alloy steel, carbon steel, etc.
Size: 1/2” to 1-1/8”, M6-64
Grade: F1852, F2280, ASTM A490; Grade 10.9
Surface Finish: Black, zinc plated, HDG
Thread: M, UNC, UNF
Custom Head Type
With more than 10 years experience in customized parts, Hengrui can offer a comprehensive selection for OEM parts. We work closely with our clients to design and manufacture them to meet unique specifications, offering customized solutions that fit perfectly into specialized parts.
No matter how special in design, material, mechanical properties, finishes, we will help you to choose the right process to guarantee the product quality in the most reasonable pricing and quick lead time.
Custom Packaging
We offers custom packaging, ensure your fasteners are packed securely accurately. including: bulk in cartons+wooden pallet, bulk in wooden case, bulk in steel pails+pallets or wooden case, plastic films+steel supoort frame.
The Making of Fastener
Ever wondered how your fasteners are made?
Discover the process at Hengrui：Following ISO9001:2015, we strictly control the whole manufacturing process by self-inspection, routing inspection, and final inspection, from selecting raw material, head forging, threading, heat treatment, and surface treatment, to packing.
Our Factory Insight
Test Equipment
Our test equipments include tensile machines, hardness testers, and salt spray testers, calipers, GO and NO-GO guages, ensure your fasteners and custom parts meet the standard requirement.
Test Report
Except for ISO certificate, Hengrui issue the inspection reports before shipments to guarantee the product quality, as well as inspection reports from SGS, TUV, etc.
What Sets Us Apart
What Clients Say
"Since cooperating with Hengrui, we've seen high improvement in both our product quality and the operating efficiency. Their dedication to on-time delivery and the ability to cater to custom requirements impact me very much."
"Shanghai Hengrui's customer service team is outstanding. They've done what they can do to meet all our requirements, and offering technical support and guidance during our entire journey.
"We've been sourcing fasteners from shanghai Hengrui for various projects across Europe. Their product quality, alongside the certification compliance, has made our choice a no-brainer. Highly recommend them for any fastener needs."
Custom Bolts Made Easy
At HengRui, We turn complex Into Simple! Follow the following 3 steps to start today!
Tell Us What You Need
Tell us as specific as possible of your needs, provide the drawing, reference picture and share your idea.
Get Solution & Quote
Approve for Mass Production
Ask For Quote Now!
- Get free sample!! Contact us today
- We will contact you within 24 hours
