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Grade 12.9 Socket Shoulder Bolt ISO7379 Stainless Steel Hex Socket Shoulder Screws
US$0.50
1,000-99,999 Pieces
US$0.30
100,000-999,999 Pieces
US$0.10
1,000,000+ Pieces
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon Steel, Alloy Steel Stainless Steel,BrassType
Round HeadModel NO.
ISO7379Groove
Special ShapeConnection
Common BoltHead Style
RoundStandard
DINGrade
8.8 10.9 12.9 A2-70MOQ
1000PCSCertification
ISO9001Application
General IndustryEuropean Anti-Dumping
39.6%Delivery Time
25 DaysDurability
EnhancedTransport Package
25kg/Carton+PalletSpecification
M5-M20Trademark
FASTOrigin
Ningbo, ZhejiangHS Code
7318151001Production Capacity
2500tons/MonthKey features
Wide Material Selection: Available in Carbon Steel, Stainless Steel, Brass, Alloy Steel, Titanium, and more.
Comprehensive Standards: Meets DIN, GB, ANSI/ASME, ISO, JIS, and other international standards.
Extensive Size Range: Diameters from M1.4 to M56, covering various metric and imperial specifications.
Multiple Finish Options: Plain, Black Oxide, Zinc Plated, Nickel, Chrome, and Dacromet finishes available.
High Grade Options: Grades include 4.8, 8.8, 10.9, 12.9, 14.9, and US Grade 5 or 8.
OEM/ODM Services: Custom manufacturing services accepted for specific customer requirements.
Quality Certification: ISO9001 certified with MTC and mill certificates provided upon request.
Free Sample Policy: Free samples available for standard fasteners; express charges may apply.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedNearest Port: Ningbo Port, Shanghai portAverage Response Time: ≤7.59h CertifiedTerms of Payment: LC, T/T, D/P CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
AI-Powered supplier vetting
SummaryNingbo Zhonglian Fastener Manufacture Co., Ltd. is identified as a Chinese limited company operating in Zhejiang and producing construction fasteners, including bolts, nuts, screws, washers, and non-standard fasteners. The supplied information shows ISO9001:2015 certification and also references ISO14001, ISOEN14399CE, and ISOEN15048 approvals. Reported manufacturing resources include automatic cold-forging equipment, hot-forging lines, heat-treatment lines, and an inspection center. The company states that it serves international markets and maintains overseas service institutions, but the evidence does not fully establish current service performance. Production information is inconsistent across the slices regarding establishment date, employee count, plant area, and capacity, so scale should be verified. Customization capability is not explicitly demonstrated. Trade records identify buyers in the United Kingdom and Vietnam, but the number of documented transactions is limited.
Supplier typeThe supplier is classified as a combined business entity and limited company in China, with a stated manufacturing address in Zhejiang. Its products, manufacturing equipment, and description identify it as a fastener manufacturer rather than only a trading intermediary.
CertificationsThe supplier explicitly provides an ISO9001:2015 certificate. Its company description also references ISO9001, ISO14001, ISOEN14399CE, and ISOEN15048 approvals, indicating multiple quality, environmental, and product-related certifications or approvals.
After-Sales capabilityThe supplier states that it provides considerate service and has six domestic direct-sale offices plus overseas regional service institutions in Hungary, Dubai, Malaysia, and the UK. These statements support a service network, although no specific after-sales procedures, response standards, or performance evidence are provided.
Production capacityThe supplier reports nearly 100 automatic cold-forging machines, six hot-forging lines, four imported automatic mesh-belt heat-treatment lines, a professional inspection center, and monthly capacity of up to 2,500 tons. It also lists a broad range of fastener products and international standards, providing explicit evidence of substantial manufacturing capability.
Client casesTrade records associate the supplier with CYNTECH ANCHORS LTD in the UK and CÔNG TY TNHH CST INDUSTRIES VIỆT NAM in Vietnam, covering hex screws, hex nuts, and stainless-steel flat washers. These records demonstrate identifiable international buyer activity, but only a small number of transactions are shown.
Product Q&A
Q:What is your main products?
A:
Our main products are fasteners: bolts, screws, rods, nuts, washers, anchors and rivets. Meantime,our company also produces stamping parts and machined parts.
Q:How to ensure that every process's quality
A:
Every process will be checked by our quality inspection department which insures everyproduct's quality. In the production of products, we will personally go to the factory to check the quality of products.
Q:How long is your delivery time?
A:
Our delivery time is generally 30 to 45 days. Or according to the quantity.
Q:What is your payment method?
A:
30% value of T/T in advance and other 70% balance on B/L copy. For small order lessthan1000USD, would suggest you pay 100% in advance to reduce the bank charges.
Q:Can you provide a sample?
A:
For new customer, sinofastener can provide free samples for standard fastener, But the clients will pay the express charges. For old customer, We will send you free samples and pay express charges by ourself.
Send Inquiry
*To:
Ningbo Zhonglian Fastener Manufacture Co., Ltd.
Ningbo Zhonglian Fastener Manufacture Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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