Shanghai, China
Business Type:
Business Range:
Auto, Motorcycle Parts & Accessories, Construction & Decoration, Consumer Electronics, ...
Main Products:
Management System Certification:
ISO9001:2008, TS16949
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: one month
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Carriage Bolt, Mushroom Head, DIN603 manufacturer / supplier in China, offering Black Surface Round Head Square Neck Bolt, M12 Size Bolt and Nut, Good Quality Teflon Plated Hexagonal Bolt and so on.

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Black Surface Round Head Square Neck Bolt

Get Latest Price
Min. Order / Reference FOB Price
2,000 Pieces US $0.01/ Piece
Production Capacity: 500tons/Month
Transport Package: Carton: 25X25X17, 36cartons/Pallet.
Payment Terms: L/C, T/T, Western Union
Standard: DIN
Material: Medium Carbon Steel
Connection: Male
Surface Treatment: Black Oxide
Head Type: Round
Place of Origin: Shanghai, China(Mainland)

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Basic Info

Model NO.: Round Head Square Neck
Certificate: ISO9001:2008 , Ts16949
Technique: Cold Heading and Hot Heading
Product Grade: a
Application: All Industries
Trademark: JR
Specification: ROHS SGS
Origin: Shanghai
HS Code: 7318159090

Product Description

Black Surface Round Head Square Neck Bolt 

1.Product Parameters
Standard:ASME B 18.2.1, IFI149,DIN931, DIN933, DIN558, DIN960, DIN961, DIN558, ISO4014 and etc.


standard & non-standard, spport customized
Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass and etc.
Grade: SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
Thread: UNC,UNF
Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.
Packing: Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.
Test Equipments:Desktop direct- reading spectrometer, cutting machine, automatic pre- milling machine, polishing machin, hard-testing gauge(Vickers), metallography microscope, electrolytic thickness gauge, tensile testing machine, salt spray device, magnetic detection machine(magnetic particle flaw detector), Caliper, Go&No-go gauge and etc.
Supply Ability: 2000 tons per month
MinimumOrder:  Not limited 
Payment T/T, L/C , D/A  , D/P , Western Union  ,MoneyGram ,etc
Market:South&north Amrica/Europe/East&South east Asia/ Australia and Africa etc.
Our advantage:One-stop shopping;
High quality;
Competitive price;
Timely delivery;
Technical support;
Supply Material and Test Reports;

 Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

2..Company Information
Shanghai Jinrui Norm Parts Supplies Co., Ltd. is specialized in producing fastening pieces and other norm parts supplies. Shanghai Jinrui owns Shanghai Xingrui Bolt factory and Shanghai Xingrui Wire steel factory. We have many cold-heading machines, nut machines and hot-heading machines.
Our company has certificates of ISO9001 and TS 16949, and we can manufacture fasteners in accordance with GB, DIN, ANSI, JIS, ISO and customer's requirements with favorable price.

From raw materials to end product delivery, it has a strict control program. Accurate completion is done about wiring- roughing - annealing- pickling - drawing - heading - rolling - heat treatment -surface treatment -packaging and other aspects.  

4.Why choose Shanghai Jinrui ?
(1) Create value for our valuable customers
We always provide good quality and nice design products to meet the needs of the customers. We are the leader in this field and we always provide good products and service to our valuable customers.
(2) Better Quality with Lower Price
We always supply the better price on the same quality level, and try our best to save the client's every cent.
(3) Never stop developing the New Product.
Every year, our company will develop the new products to meet the market need.
(4) Manufacture & Export experts
As we have a favorable frame and stable quality control, our products can be found in nearly all continents. 14 years of manufacture & export experience, deliver goods by different means: truck, rail and sea containers.
Q1: Are you a factory or trading company?
A: We are the specialized supplier of fastener, can provide the best price.
Q2: How many years you do foreign trade?
A: We have more than 14 years experience in exporting products to worldwide countries; can provide the high quality fastener!
Q3: Do you have enough outputs?
A: We have enough stock in warehouses with abundant capital. We offer 24-hour services.
Q4: How to ensure that every process's quality?
A: Every process will be checked by our quality inspection department which insures every product's quality.
Q5: How to ensure the safety of long-distance transportation?
A: Professional packing teams which keep every packing safely.
Q6: Can you provide some sample?
A: Samples can be provided as your requirements.

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