Carbon Steel M25 ASTM A325 Heavy Hex Head Bolts and Nuts

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: Heavy Hex Bolt
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST, etc.
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building, etc.
• Finish: Color-Zinc Plated
• Other Product Name: Hex Head Screw / Hh Bolt / Outer Hex Head Bolt
• Dimensiong Standard: DIN 933 DIN931
• Equivalent: En 1665
• Thread: Full Thread/Half Thread
• Diameters: M6 M8 M10 M12 M14 M16 M18 M20 M24 M26 M30 M36 etc
• Length: Custom
• Color: Blue
• Measure System: Metric
• Measure Unit: mm
• Quality: Good
• Head Mark: G&T or OEM
• Company Type: Factory / Direct Manufactory
• Stock: Plenty
• After-Sale Service: Available
• Delivery Time: 30 Days in Usual
• Transport Package: Carton or Wooden Boxes
• Specification: 25mm*30mm*50mm
• Trademark: G&T
• Origin: China
• HS Code: 7318159001
• Production Capacity: 300000 Pieces/Month
• Package Size: 1.00cm * 1.00cm * 1.00cm
• Package Gross Weight: 1.000kg

Product Description

Hex Head Bolt
Standard:	DIN931 DIN933  EN1665
Diameter:	All diameters available, as customer's requirement
Length:	Custom
Material:	Carbon Steel
Grade:	8.8 12.9
Thread:	Full thread/ Half Thread
Finish:	Zinc/ Black/ Ptfe/ Xylon ect..
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Structural Steel; Metal Building; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Equipment:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter, Spectrometer
Supply Ability:	300000 pieces/month
MinimumOrder:	500piseces
Trade Term:	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:	T/T, L/C, D/A , D/P ,West union,Paypal.etc
Market:	Europe/South&north America/East&South east Asia/Middle East/Australia and etc.
Professional:	More than 20 years of experience in the fasteners industry and proficiency in DIN/ASME/ASTM/IFI standards.
Our advantage:	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice:	Please let's know the Size, quantity, Material or Grade, and surface If it is a special and Non-standard product, please supply the Drawing or Photos or Samples to us

• DIN 931 and ISO 4014 is a partial thread hex head cap screw with coarse thread pitch
• DIN 933 and ISO 4017 is a full thread hex head cap screw with coarse thread pitch
• DIN 931/933 and ISO 4014/4017 standards are the exact same with the exception of M10, M12, M14 and M22
• M10 (16 mm), M12 (18 mm), and M14 (21 mm) the WAF is slightly smaller for the ISO standard, whereas for M22 (34 mm) ISO standard the WAF is slightly larger
• ISO 4017 has larger nominal sizes available per standard than DIN 933. DIN 933 technically ranges from M1.6 to M52, whereas ISO 4017 ranges from M1.6 to M64

Q1: Why choose us?

To provide our customers with first-class services in the supply of quality fasteners minimizing costs.

1.1. Vision: We wish to build successful relations with our partners and be their first choice as fasteners supplier.



1.2. Mission: professional customer service, and innovation in technology.



Furthermore, we not only offer you fasteners with more reasonable quality and price than your expectations but also would like to be your friend and provide you with market sales suggestions for your reference, if you have a better idea, please feel free to share with us.



Q2.How is quality ensured?

All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from production to delivery. Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality, and good at the modern concepts of management.



Q3:If you can not find on our website the product you need how to do it?

You can send the pictures/photos and drawings of the products you need by email, we will check if we have them. We develop new models every month, Or you can send us samples by DHL/TNT, then we can develop the new model, especially for you.



Q4:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?

Yes, we can, we can provide high-precision parts and make the parts as your drawing.



Q5: How should I order and make payment?

By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.



Q6: What's your Delivery Time?



Standard parts: 7-15days



Non-standard parts: 15-25days



We will make the delivery as soon as possible with guaranteed quality.



Q7:How to Custom-made (OEM/ODM)

If you have a new product drawing or a sample, please send it to us, and we can custom-make the hardware as you require. We will also provide our professional advice on the products to make the design to be more realized & maximize performance.



Q8:Which mode of transport would be better?

In general, the production is heavy, we advise to make delivery by sea, Also we respect your views of other transportation as well.