Made in China Galvanized M6 M8 M10 Black Carriage Bolts and Nuts

• Material: Carbon Steel
• Type: Round Head
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Carriage Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Color-Zinc Plated
• Other Product Name: Hex Head Screw / Hh Bolt / Outer Hex Head Bolt
• Dimensiong Standard: ASME B 18.2.6
• Equivalent: AISI B 18.2.6
• Thread: Full Thread/Half Thread
• Diameters: M5 M6 M8 M10 M12 M16 M20
• Length: 20~200mm
• Color: Customized
• Measure System: Imperial
• Measure Unit: Inch/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

Product Description

 

Hex Head Bolt
Standard:	ASME B18.5.2 /DIN603/GB12/GB14
Diameter:	All diameters available, as customer's requirement
Length:	custom
Material:	Carbon Steel/Stainless Steel
Grade:	ASTM A307/ A307A
Thread:	Full thread/Half Thread
Finish:	Customized
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
Equipments:	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 special and Non-standard product, please supply the Drawing or Photos or Samples to us

A carriage bolt (also called coach bolt and round-head square-neck bolt) is a form of bolt used to fasten metal to metal or, Also known as a cup head bolt.

It is distinguished from other bolts by its shallow mushroom head and the fact that the cross-section of the shank, though circular for most of its length (as in other kinds of bolt), is square immediately beneath the head.[2] This makes the bolt self-locking when it is placed through a square hole in a metal strap. This allows the fastener to be installed with only one wrench, working from the opposite end. The head of a carriage bolt usually is a shallow dome. The shank has no threads; and its diameter equals the side of the square cross-section.

The carriage bolt was devised for use through an iron strengthening plate on either side of a wooden beam, the squared part of the bolt fitting into a square hole in the ironwork. It is common to use a carriage bolt on bare timber, the square section giving enough grip to prevent 

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Q1: Why choose us?

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

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



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



Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion 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 producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.



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

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 the 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 your require. We will also provide our professional advices 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.