About this item
- Heavy hex bolts are heavy profile hexagon bolts with large width across flats and high head height. Also known as heavy hex head bolts or heavy hex structural bolts, these heavy hex bolts are commonly manufactured in high tensile grade 5, 8, 8.8, 10.9, 12.9, a193 grade b7, b7m, b8, b8m, b16, a320 grade l7, l7m, stainless steel and other material. We also offer heavy hex bolts to structural grade ASTM a307, a325 and a490 specifications. These heavy hex bolts are produced to dimensions classified under ASME B18.2.1, B18.2.3.7M, DIN 6914, ISO 7412, DIN-EN 14399-4 and various other dimension standards.
1. Bolts: hex bolt, hex cap screw, heavy hex bolt, heavy hex structural bolt, carriage bolt, hex flange bolt, square nuts, plow bolt, step bolt, shoulder bolt, tower bolt, timber bolt, guardrail bolt, hex socket cap screw.
2. Nuts: hex nut, heavy hex nut, square nut,hex flange nut, hex nylon lock nut, slotted nut, eye nut, hex cap nut, caps nut.
3. Washers: flat washer/ plain washer, fender washer, taper bolt, square washer,
helical spring-lock washer, hardened steel washers, external / internal tooth lock washer
Product Equipment
Test Equipments
Strictly complies with ISO9001:2008 system, Each production process be well managed through self inspection, routing inspection by our workers. Our test equipments include: tensile machines, hardness tester, salt spray tester, Image measurement instrument, caliper, GO & NO-GO guage, etc.
Test Reports
Test and issue Material
Test Report and Inspection Report by Hengrui before shipment to guarantee the product quality. The test report from the third parts are also avaliable as customer's requirments.
Package
* Strong Technical support: our engineer in fastener industry for about 20 years are here for you.
* With 50 friend factories support: we can customize many non-standard fasteners according to the drawings or samples, as well as turning parts and stamping parts.
* 10 years' experience in international trading industry.
* Our company policy: Product quality>lead time>pricing, welcome the customers which have the same belief to inquiry to us!
We promise to provide high-quality service to all customers and we look forward to cooperating with you!
FAQ
| 1.Why choose us? |
Rich experience: we have more than 10-years staff to support all technical issues and sales issues.
Reputation: many of our customer are the project customers, especially in Municipal Projects. |
| 2.What's MOQ? |
| 900kg/size for bolt, 500kg/size for nut and washer |
| 3.What's the payment? |
| By T/T, 30% down payment, and balance before shipment |
| 4.What is the delivery time? |
| 30-45 days in generally, the precise delivery time based on the detailed order |
| 5.How to guarantee the quality? |
For non standard products, the samples to be sent to customer before mass production.
and the material test report and inspection report will be sent to customer before shipment. |
Audited Supplier 
){kind=link}