What grades are available for Heavy Hex Nuts?

Available grades include A, B, C, D, DH, C3, and DH3.

What is the size range for these nuts?

The size range is from 1/4 inch to 4 inches.

Heavy Hex Nuts (A563 BLACK 1/4"-4")

Name: Heavy Hex Nuts (A563 BLACK 1/4"-4")
Brand: Jiaxing City Qunbang Hardware Co., Ltd.
SKU: 786998645

Zhejiang, ChinaJiaxing City Qunbang Hardware Co., Ltd.

US$0.02

5,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

A563 1/4"-4"

Connection

Common Bolt

Head Style

Hexagonal

Standard

ASTM

Grade

a,B,C,D,Dh,C3,Dh3

Surface Treatment

Black

Grades

a,B,C,D,Dh,C3,Dh3

Application

Machinery

Samples

Free

Size

1/4"-4"

Transport Package

Bulk/Boxes in Cartons, Bulk in Polybags/-Buckets

Specification

1/4"-4"

Trademark

QBH

Origin

Jiaxing, Zhejiang

HS Code

73181600

Production Capacity

500tons/M

Key features

ASTM A563 Standard Compliance: Manufactured to meet ASTM A563 standards for heavy hex nuts with various grades.

Wide Size Range Availability: Sizes available from 1/4 inch to 4 inches for diverse application needs.

Multiple Grade Options: Offers Grades A, B, C, D, DH, C3, and DH3 to suit different strength requirements.

Black Surface Finish: Standard black finish provides corrosion resistance and aesthetic appeal.

Factory Direct Supply: Direct manufacturing ensures competitive pricing and quality control.

Fast Delivery Time: Goods delivered within 30 days for most orders.

Customization Capability: Fasteners designed and manufactured according to buyer specifications.

ISO 898.2 Mechanical Properties: Meets ISO 898.2 standards for proof load and hardness testing.

Company profile

Importers and ExportersYears of Export ExperiencePatents AwardedCustomization from Designs

Jiaxing City Qunbang Hardware Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2004-01-10Nearest Port: SHANGHAI, NINGBOAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW, Others

AI-Powered supplier vetting

SummaryJiaxing City Qunbang Hardware Co., Ltd. is identified as a limited trading company supplying fasteners, including bolts, nuts, thread rods, washers, and related products. It reports more than 10 production lines, stated bolt and nut output, broad export-market coverage, and access to Shanghai and Ningbo ports. The supplier has documented procedures and records for corrective/preventive actions, complaint handling, supplier approval, and service-capability assessment. It provides 3D software design, ODM, and customization from designs or samples, and reports OEM service for known brands. However, no certification information is provided, overseas showrooms or agents are absent, no offline trade-show participation is reported, and recent new-product activity, environmental assessment, and fire-drill status are either negative or unknown. Financial records are referenced for multiple years, but the provided information does not establish financial strength.

Supplier typeThe supplier is explicitly classified as a limited trading company. Its stated business scope covers hardware, fasteners, plastic products, molds, and import/export activities, while its company description also presents production, design, sales, and after-sales functions.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions, customer complaints, approved-supplier updates, and service-capability assessment. It is located near Shanghai and Ningbo ports, but reports no overseas showroom, overseas agent or branch, and no offline trade-show participation.

R&D capabilityThe supplier provides 3D software design, has CAD capability, reports one R&D patent and one registered trademark, offers ODM services, and has an available SDK. Conversely, it reports no new products in the previous year and no private-mold capability, indicating documented but limited evidence of ongoing innovation.

Production capacityThe supplier reports more than 10 production lines, annual bolt output of 4,000 tons and nut output of 5,000 tons, with off-peak lead time within 15 working days. Its stated product range and proximity to Shanghai and Ningbo ports further support operational and export capability.

Customization capabilityCustomization from customer designs and samples is explicitly available, together with 3D software design, ODM services, OEM service for known brands, CAD capability, and SDK availability. The absence of private-mold capability limits the documented customization scope but does not negate the stated services.

Product Q&A

Q:Are you a factory or trading company?

We are factories, mainly producing fasteners, such as nuts, bolts, screw and rod, and meanwhile, we also manage other hardware products.

Q:Where is your factory located? How can I visit there?

Our factory is located in Jiaxing City, Zhejiang Province with a good location and convenient transportation, which is next to Shanghai Port, Ningbo Port and Zhapu Port.

Q:How does your factory do regarding quality control?

Quality is priority we supervise each production link and we always attach great importance to quality controlling from the beginning to the end.

Q:What is the delivery time?

The goods will be delivered within 30 days.

Q:Can you customize the fasteners?

All of our fasteners are designed and manufactured according to buyers' specification and performance.