What standards do these nuts meet?

The nuts are manufactured according to the German industrial standard DIN 1587, ensuring precise dimensions and tolerances.

What sizes are available?

We provide metric sizes ranging from M4 to M20, suitable for various fastening applications.

What material is the nut made of?

It is made of high-quality carbon steel with zinc plating for good corrosion resistance and durability.

What size is this hex nut?

This is M20 size (20mm metric thread). Please check variations for other available sizes.

What does "Full Nut" mean?

Full Nut means it has standard height, providing maximum thread engagement and stronger clamping force compared to thin nuts.

Is this suitable for furniture assembly?

Yes. These hex nuts are widely used in furniture manufacturing, bed frames, tables, chairs, cabinets, and DIY home improvement projects.

Do I need a matching bolt?

Yes. It is recommended to use with DIN 931 or DIN 933 M20 hex bolts for best compatibility.

Is it rust resistant?

The zinc plating provides good protection against rust for indoor and light outdoor use. For high humidity or outdoor environments, stainless steel versions are better.

Can these nuts be reused?

Yes, they can be reused multiple times as long as the threads are not damaged.

What tools are needed to install this nut?

A standard 30mm wrench or socket set is recommended for M20 hex nuts.

High-Strength DIN1587 Carbon Steel Hex Dome Nut for Industry Use

Name: High-Strength DIN1587 Carbon Steel Hex Dome Nut for Industry Use
Brand: Qewitco Fasteners Co., Ltd
SKU: 2116352742

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.02-0.08

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Hex Dome Nut DIN1587

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, ISO

Grade

8.8

Certification

ISO9001 CE DIN1587

Delivery

20-30 Days

Finish

Self Color, Zinc Plated

Packag Color

Customizable

Custom Order

Customization by Drawing/Sample

Price Terms

Fob/CFR/CIF/DDP

ODM/OEM

Available

Service

Custom-Made Service

Size Standard

Metric

Material Test Certificate

Have

Sample

Samples in Stock Are Free with Freight Collect

Color

Silver, Yellow

Quality Control

100% Quality Inspection

Application

Connection, Fastening

Transport Package

Bulk Pack Small Boxed

Specification

M4-M20

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Reliable Self-Locking Feature: Built-in locking structure automatically locks the thread after tightening, resistant to loosening under vibrating environments for stable connection.

Excellent Rust and Corrosion Resistance: Less prone to rusting during long-term use in humid, outdoor and coastal environments, ensuring a longer service life.

Premium Stainless Steel Material: Made of stainless steel material with stable structural strength and excellent corrosion resistance.

Precision Internal Thread Craftsmanship: Precisely machined internal threads with regular profile and tight engagement, fitting smoothly with bolts for stable locking effect.

Strong Anti-Vibration Locking Performance: Effectively resists mechanical vibration and impact loads, prevents self-loosening of nuts, suitable for dynamic working conditions.

Reusable Assembly and Disassembly: Durable locking structure maintains anti-loosening performance after multiple installations and removals, recyclable for cost reduction.

International Industry Standards Compliance: Stable product performance that fully complies with international industry standard requirements.

Reliable Quality Assurance: 100% quality guarantee. Strict laboratory testing ensures stable performance and full compliance with international industry standards.

Factory-Direct Price Advantage: Professional factory direct supplier of stainless steel fasteners, cutting intermediate costs with competitive and negotiable pricing.

OEM Customization Service Support: Our fastener factory offers OEM services based on your requirements, drawings or samples.

Company profile

Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice

Qewitco Fasteners Co., Ltd

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤1.09hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.

Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.

CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.

R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What is the lead time for orders?

Most sizes are in stock. For orders under 5,000 pieces, the lead time is 5-7 days. Peak season lead time is one month, while off-season is within 15 workdays.

Q:Can I request custom packaging?

Yes, we offer flexible packaging options including bulk packs and small boxes. Customized packaging solutions are available based on your specific requirements.

Q:Do you provide free samples?

Samples are available for free, but the shipping cost must be collected from the buyer.

Q:What customization options are available?

We offer full customization, minor customization, and flexible customization based on samples or designs, including ODM and OEM services.

Q:What is the quality inspection process?

We implement a multi-stage QA system including raw material inspection, production follow-up, and 100% visual inspection of finished products before shipment.