Hexagon NUTS ,HOT DIPPED GALVANIZED .
Gmetalparts, a specilized manufacturer and supplier of hex bolts and nuts for over 15 years experience.
- Standard: DIN934, ISO 4032, ASTM A563
- Material: Carbon Steel, Alloy Steel, Stainless steel
- Size: M3-M64
- Grade: 2, 5, 6, 8, A194 2H, A194 4, A563 DH
- Surface Finish: Plain, Black, Zinc, Hot dip galvanizing, Dacromet, Zinc Nickel, etc.
- Application: Automotive industry, Solar systems
- Package: Small box, or 25kgs/carton, 36cartons/pallet
- Delivery: 30 days
- Customized products available as per your samples or design.
Hot-sales Nuts
Gmetal’s nuts series including hexagon nuts, locking nuts, hex structural nuts, serrated hexagon flange nuts with Nylock, etc.
If you couldn’t find the nuts you want in our page, please send picture or drawing to our sales representives.
What is a hex nut?
A hex nut is a six-sided fastener with internal threads, used with a bolt or stud to clamp components together. It is the most widely used nut in machinery, construction, and engineering.
What are the main types of hex nuts?
- Standard hex nut: General-purpose, medium height.
- Heavy hex nut: Thicker and wider, for high-strength structural use.
- Thin hex nut / jam nut: Low profile, used for locking or limited space.
- Nylon insert lock nut: Self-locking, prevents loosening under vibration.
What are the common standards for hex nuts?
- ISO 4032: Metric standard hex nuts
- ISO 4033: Metric heavy hex nuts
- ASTM A563: Carbon and alloy steel heavy hex nuts
- ASME B18.2.2: Inch-series hex nuts
- GB/T 6170: Chinese standard hex nuts
- EN ISO 4032: European standard hex nuts
What strength grades are used for hex nuts?
Hex nuts can be divided into different grade in different applicaition .It will be Grade 4, 6, 8, 10, 12 on Metric .Higher grade means higher strength.If it is Imperial (ASTM) ,it will be Grade A, B, C, DH, AH .
Hex nuts are graded to match the strength of the bolts they are used with.
If you are looking for reliable nut supplier , please feel free to contact us at sales@gmetalparts.com. We are confident we can provide you with the most suitable fastener solutions at the best prices.
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FAQ of Hexagon Head Bolts
1. Are you a hex bolts manufacturer?
Yes, Gmetal is a bolt factory, hex bolts manufacturers and suppliers, as well as leading fasteners manufacturers in china.
We mainly porduce black oxide hex bolts,Hot dipped galvanized hex bolts , Socket head cap screw, metric hex head bolts, stainless steel hex head bolts etc.
2. How long is your delivery time for black hex head bolts?
It takes 7-10 days for stock products. For bulk order, it will be in 30-60 days according to the order quantity.
3. Can we have samples for metric hex head bolts?
Yes, free samples are available, if you have a courier acount like DHL/FEDEX/UPS to collect the samples.
4. Can we use our own head mark or customize package for hex head bolts?
Yes, Gmtal as a hex bolts manufacturers, we can customize headmark and package, please send the requirements when place order.
5. How can we make an order for metric hex head bolts?
Just inquiry on our page or send a email to jenny@gmetalparts.com
For hex head bolt dimensions or weight chart for din 931, din933, iso 4014, iso 4017 ,astm a325 ,as1252 pdf, please feel free to contact us.
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