Black Oxide Carriage Bolts
Standard: ISO 8677
Thread Type: Coarse Thread, Partial Thread
Commodity: Black Oxide Carriage Bolts
Also Named: Square Neck Carriage Bolt
Material: Carbon Steel
Property Class: 4.6、8.8
Diameter: M5、M6、M8、M10、M12、M16、M20
Finish: Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Large Round Head
Head Detail: With Square Neck
Alternative Standard: ISO 8677、DIN 603、ANSI/ASME B 18.5.2.3M
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of black oxide carriage bolts in China. Please feel free to buy high quality black oxide carriage bolts made in China here from our factory. For price consultation, contact us.
As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
Product Description
Product Name | Black Oxide Carriage Bolts |
Also Named | Square Neck Carriage Bolt |
Material | Carbon Steel |
Standard | ISO 8677 |
Property Class | 4.6、8.8 |
Diameter | M5、M6、M8、M10、M12、M16、M20 |
Finish | Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Thread Type | Coarse Thread, Partial Thread |
Head Type | Large Round Head |
Head Detail | With Square Neck |
Dimensions Table
| Screw Thread d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
| P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b | L≤120 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 130≤L≤200 | / | / | 28 | 32 | 36 | 44 | 52 | |
| L>200 | / | / | / | / | / | 57 | 65 | |
| dk | max=nominal size | 13 | 16 | 20 | 24 | 30 | 38 | 46 |
| min | 11.9 | 14.9 | 18.7 | 22.7 | 28.7 | 36.4 | 44.4 | |
| ds | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| k1 | max | 4.1 | 4.6 | 5.6 | 6.6 | 8.8 | 12.9 | 15.9 |
| min | 2.9 | 3.4 | 4.4 | 5.4 | 7.2 | 11.1 | 14.1 | |
| k | max | 3.1 | 3.6 | 4.8 | 5.8 | 6.8 | 8.9 | 10.9 |
| min | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | |
| s | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
Product Details
Product Advantages
Advantages Of Black Oxide Carriage Bolts
1. You will witness no build-up or rust when you buy the black oxide carriage bolts.
2. Among the fasteners, this is the most budgeted option you can buy for your machinery.
3. It is generally done on stainless steel, alloy, brass, copper, zinc, and iron.
4. You can use our bolts for various piping solutions like restraining, elevating, and shipping the pipes.
5. You can use these bolts amicably under high pressure and in the most elevated temperatures with ease.
6. AYA manufactures and sells black oxide carriage bolts of the highest quality that are also permissible under international standards.
7. AYA black U bolts provide the highest resistance power under extreme pressure that is affordable globally by clients.
Quality Inspection
Every link in the production will be supervised by quality control personnel to ensure that the final product meets customer expectations.
Sophisticated testing instruments and experienced quality control personnel can provide customers with more accurate quality inspection reports.
Our digital system keeps each batch traceable from raw materials to finished products. Complete quality inspection certificates can be offered upon request.
Final products inspection is a key point. AYA has a complete sampling check system for this important task and each detail will be fully inspected.
Internal process audition are implemented regularly to ensure the effectiveness of the manufacturing process.
Packaging & Container Loading
AYA's product packaging can not only provide very good protection to the product, but also improve the beauty of the product.
Our scale and presence create cost efficiencies in intercontinental shipping as well as local custom clearing, warehousing and road transportation services. We take care of the last-mile logistics, and could issue the invoice based on DDP term and provide 3PL (third party logistics) services
Mature warehousing and logistics system, and digital tools make the goods delivery high efficient.
Door-to-door services don't stop at the harbour. AYA has professional logistics department and established impressive logistic system all over the world.
Usage Scenarios
Why Choose AYA?
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