What is your delivery time?

Standard parts: 7-15 days. Non-standard parts: 15-25 days. We will make the delivery as soon as possible with the guarantee of quality.

How to custom-made (OEM/ODM)?

If you have a new product drawing or a sample, please send it to us, and we can custom-made the hardware as your required. We will also provide our professional advice on the products to make the design more realized and maximize the performance.

Which mode of transport would be better?

In general, the production is heavy, so we advise making delivery by sea. Also, we respect your views on other transportation as well.

Black Oxide High Tensile M20 M22 Spherical Domed Mine Anchor Nut

Name: Black Oxide High Tensile M20 M22 Spherical Domed Mine Anchor Nut
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2305252295

Jiangsu, ChinaKunshan Hongyongsheng Precision Hardware Products Co., Ltd.

US$0.01-0.10

10,000 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Spherical Domed Anchor Nut

Model NO.

HYSLMM00380

Connection

Common Bolt

Head Style

Spherical / Domed

Standard

DIN, ANSI, GB, JIS

Grade

4.8,6.8,8.8,10.9,12.9

Customized

Yes

Drawing

Yes

Application

Mining Tunnel, Underground Support

Process

Cold Forging, Heat Treatment

Product Type

Anchor Nut, Domed Nut

Service

Sample Available, OEM & ODM Supported

Material Grade

4.8/6.8/8.8/10.9/12.9 Carbon Steel

Surface Treatment

Black Oxide, Zinc Plated, HDG

Key Features

Spherical Domed Design, High Tensile Strength

Tolerance Grade

Standard Metric Thread Tolerance

Quality Control

Full Dimension Inspection Before Shipment

Port of Loading

Shanghai

MOQ

10,000 PCS

Transport Package

Woven Bag / Carton

Specification

M20, M22, M25, M32, M36, M40

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

High Tensile Strength Grades: Available in 4.8, 6.8, 8.8, 10.9, and 12.9 carbon steel grades for heavy load support.

Spherical Domed Design: Unique integrated structure distributes roof pressure evenly to avoid stress concentration.

Customizable Specifications: Custom thread size, dome thickness, and steel grades available per engineering drawings.

Multiple Surface Treatments: Options include black oxide, zinc plating, and HDG for anti-corrosion in humid environments.

Comprehensive Quality Control: 100% full dimensional inspection, tensile load testing, and salt spray performance testing.

OEM & ODM Services: Full one-stop customization including logo engraving and specialized packaging solutions.

Global Standard Compliance: Compatible with DIN, ANSI, GB, and JIS standards for underground mine support fasteners.

Free Sample Testing: Free sample testing available for mining equipment manufacturers and engineering contractors.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.

Jiangsu, 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: 10 years CertifiedNearest Port: ShanghaiAverage Response Time: ≤0.29h

AI-Powered supplier vetting

SummaryKunshan Hongyongsheng Precision Hardware Products Co., Ltd., established in 2016, is a manufacturing company based in Suzhou, Jiangsu, China, with a focus on hardware and fasteners. The company holds certifications and has been audited by SGS. It has a strong customization capability, offers OEM services for well-known brands, and has clear procedures for quality assurance and customer service. However, the company lacks international presence, with no overseas warehouses, showrooms, or participation in trade shows.

Supplier typeThe supplier is a manufacturing factory with a limited company ownership structure, located in Suzhou, Jiangsu, China.

CertificationsThe supplier has been audited by SGS, indicating a level of certification in its operations.

After-Sales capabilityThe supplier has clear procedures and records for handling customer complaints and service capability.

R&D capabilityThe supplier lacks research and development capability with no SDK availability.

Production capacityThe supplier has a strong production capability with a focus on automotive parts, mechanical parts, and other related products.

Customization capabilityThe supplier excels in customization, offering full and flexible customization services.

Client casesThe supplier provides OEM services for well-known brands, indicating established customer relations.

Product Q&A

Q:Why choose us?

To provide our customers with first-class services in the supply of quality fasteners minimizing costs. We wish to build successful relations with our partners and be their first choice as a fasteners supplier. Our mission is professional customer service and innovation in technology. We offer fasteners with more reasonable quality and price than your expectations and provide market sales suggestions for your reference.

Q:How is quality ensured?

All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery. Our company has strong technology support and a group of managers who are familiar with product quality and good at modern concepts of management.

Q:If you cannot find the product you need on our website, how do you handle it?

You can send pictures, photos, and drawings of the products you need by email, and we will check if we have them. We develop new models every month. Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We can provide high precision parts and make the parts as your drawing.

Q:How should I order and make payment?

By T/T. For samples, 100% payment with the order. For production, 30% paid as a deposit by T/T before production arrangement, and the balance to be paid before shipment.