Is OEM service available?

Yes, OEM service is available, and we support customization from customer designs.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods, depending on order quantity.

What certifications does the company hold?

Our company is certified with ISO9001:2015, ISO14001, ISO45001:2018, and our products have CE certification.

Carbon Steel Square Nuts 3mm to 20mm Available in All Sizes

Name: Carbon Steel Square Nuts 3mm to 20mm Available in All Sizes
Brand: Younsion Fastening Industrial Co., Ltd.
SKU: 1993418562

Hebei, ChinaYounsion Fastening Industrial Co., Ltd.

US$0.06

1,000-9,999 Pieces

US$0.05

10,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Square Head

Model NO.

SN001

Connection

Common Bolt

Head Style

Square

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8

Application

Machinery, Chemical Industry, Environmental, Building

Transport Package

Bag or Carton with Pallet

Specification

M3-M20, 1/4''-3/4''

Trademark

Origin

China

HS Code

7318159090

Production Capacity

3200tons/Year

Key features

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Brass, Bronze, Iron, and Aluminum.

Multiple Standard Compliance: Meets ISO, GB, DIN, JIS, ANSI, BSW, and GOST standards.

Free Sample Availability: Free samples provided if items are in stock, with 5-7 day lead time.

OEM Customization Support: OEM service available with customization from customer designs.

Certified Quality Assurance: ISO9001:2000 certified with strict quality control and inspection processes.

Flexible Payment Terms: Supports T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Large Production Capacity: Annual capacity of 15 million bolts and 30 million welding studs.

Global Export Experience: Products exported to the US, Southeast Asia, Europe, and South America.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedExhibition Experience

Younsion Fastening Industrial Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤8.80h

AI-Powered supplier vetting

SummaryThe supplier operates across hardware, handling equipment, metal materials, wire rope, bearings, building materials, and related industrial products. It reports 10 production lines and OEM service for well-known brands, while offering customization from customer designs. Certifications include ISO9001:2015, ISO14001, ISO45001:2018, and CE. However, its documented R&D and service-management infrastructure is limited: it reported no new products in the past year, no ODM, no SDK, no 3D design or private mold capability, and only one year of R&D engineer experience. Quality-control staffing is below five. Supplier-service procedures, complaint handling, and corrective-action records are not documented. It has no overseas warehouse, showroom, agent, or branch, but has attended the 136th Canton Fair. Financial information is present for recent years, but the provided slices do not establish financial strength.

Supplier typeThe supplier appears to be a diversified industrial and hardware manufacturer/seller, covering handling equipment, metals, wire rope, bearings, building materials, cables, and hardware. Its 10 production lines and stated OEM activity indicate both manufacturing and supplier-service functions rather than a purely trading profile.

CertificationsThe supplier reports ISO9001:2015, ISO14001, ISO45001:2018, and CE certifications. These are explicit certification claims, although the record also contains a general management-system category of “Others” without further detail.

After-Sales capabilityThe supplier has no written procedures or records for complaint handling, corrective and preventive actions, or effective service-capability assessment. It also has no overseas warehouse, showroom, agent, or branch, so the available evidence does not demonstrate a robust after-sales infrastructure.

R&D capabilityInnovation evidence is limited: there were no new products in the past year, no ODM, no SDK, no ERP-based digital process integration, no 3D design service, no private molds, and only one year of R&D engineer experience. The supplier does report Photoshop capability and three R&D patents, but the overall evidence does not show strong current innovation capacity.

Production capacityThe supplier reports 10 production lines, a quality-control team of fewer than five staff, production-process controls aligned with national standards and consumer requirements, and peak- and off-season lead times within 15 working days. These explicit operating details support production capability, although the limited QC staffing may constrain oversight.

Customization capabilityThe supplier explicitly offers customization from customer designs and provides OEM services for well-known brands. However, it does not provide ODM, 3D software design, private mold, or SDK services, indicating that customization is primarily execution based on supplied designs rather than independent product development.