Do you provide free samples?

New customers can receive free samples of standard fasteners, with express charges covered by the client. Returning customers receive free samples with express charges covered by us.

What payment methods do you accept?

We accept T/T, L/C, and D/P for general orders, while PayPal and Western Union are accepted for small or sample orders.

How is quality controlled?

Our QC team inspects every production link for each batch of goods. We provide MTC and mill certificates upon completion of the order.

Threaded Steel Fastener Nuts Heavy Duty Screws

Name: Threaded Steel Fastener Nuts Heavy Duty Screws
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2115008215

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

SAE J995

Connection

Common Bolt

Head Style

Hexagonal

Standard

SAE

Grade

System of Measurement

Metric

Product Name

Hex Nut

Measurement System

Metric

Finish

Zinc/Black Plated/HDG

Application

General Industry

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty: 100% qualified products backed by a lifetime warranty.

ISO9001 Certified: Strict quality control following ISO9001 management system.

OEM/ODM Accepted: Supports full customization from samples, designs, or minor adjustments.

Fast Delivery: In-stock items delivered within 15 days; bulk orders in 25-35 days.

Free Samples: Free standard fastener samples for new customers (client pays shipping).

Flexible MOQ: Accepts orders of any size with extensive stock availability.

MTC Provided: Material Test Certificates and mill certificates provided upon order completion.

Competitive Pricing: High-quality products offered at competitive prices with tailored quotes.

Company profile

High Repeat Buyers Choice

Ningbo Steel Bolt Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.

R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.

Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.

Q:How do you guarantee quality?

We maintain strict quality control from raw materials to finished products following the ISO9001 quality management system, ensuring that all products are 100% qualified and backed by a lifetime warranty. Our QC team inspects every production link for each batch of goods.

Q:Do you provide OEM/ODM services?

Yes, we accept OEM/ODM orders. We offer customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is your delivery time?

If the goods are in stock, we can deliver within 15 days. For larger quantities, delivery may take 25-35 days.

Q:Do you accept small orders?

Yes, we accept orders of any size and maintain a stock of various fasteners. We can also produce fasteners according to specific requirements.