How do you control quality?

We request QC to inspect every production link for each batch and provide MTC and mill certificates upon completion.

The Minimum Order Quantity is 1000 PCS.

Metric Hex Socket Locking Screws - ISO Certified

Name: Metric Hex Socket Locking Screws - ISO Certified
Brand: Ningbo Zhonglian Fastener Manufacture Co., Ltd.
SKU: 2160760275

Zhejiang, ChinaNingbo Zhonglian Fastener Manufacture Co., Ltd.

US$0.05

1,000-9,999 Pieces

US$0.03

10,000-99,999 Pieces

US$0.01

100,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

Hex socket locking screws

Connection

Common Bolt

Head Style

Round

Standard

ASTM

Grade

MOQ

1000PCS

Certification

ISO9001

Delivery Time

25 Days

Durability

Enhanced

Sample

Free

Transport Package

25kg/Carton+Pallet

Specification

M12-M36, 1/2"-1-1/2"

Trademark

FAST

Origin

Ningbo, Zhejiang

HS Code

7318151001

Production Capacity

2500 Tons/Month

Key features

ISO Certified Quality: Products are ISO9001 certified ensuring high quality standards.

Wide Material Options: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass.

Multiple Grade Standards: Offers ASTM, SAE, and various metric grades from 4.8 to 12.9.

Custom OEM/ODM Service: Accepts OEM and ODM customization for fasteners and parts.

Free Sample for New Clients: Provides free standard fastener samples for new customers.

Diverse Surface Finishes: Options include Black, H.D.G, Oxide, and Black Zinc finishes.

Strict Quality Control: QC inspects every production link with MTC and mill certificates.

Established Manufacturer: Factory established in 1997 with 10,000 sqm plant area.

Company profile

Ningbo Zhonglian Fastener Manufacture Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedNearest Port: Ningbo Port, Shanghai portAverage Response Time: ≤7.16h 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 the delivery time?

Generally 30 to 45 days, or according to the quantity.

Q:What is your payment method?

30% T/T in advance and 70% balance on B/L copy. For orders less than 1000 USD, 100% advance payment is suggested.

Q:Can you provide a sample?

Yes, free samples are provided for standard fasteners. New customers pay express charges, while old customers receive free samples with company-paid shipping.

Q:Are you a manufacturer or trading company?

We are a manufacturer with many years of experience in producing bolts, nuts, threaded rods, and washers.

Q:Do you provide OEM/ODM services?

Yes, we accept OEM and ODM services.