What quality reports are provided?

We provide chemical composition, mechanical properties, dimension test, hardness test, and heat treatment chart reports.

What is the material and surface treatment?

The material is hardened alloy steel with hot galvanized surface treatment.

Forged Ball Head Nut Hardened Alloy Steel Torque Fastener for Construction Use

Name: Forged Ball Head Nut Hardened Alloy Steel Torque Fastener for Construction Use
Brand: Qingdao Donrex Co., Ltd.
SKU: 1989745831

Shandong, ChinaQingdao Donrex Co., Ltd.

US$0.35-3.85

1,000 Pieces

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Forging

Application

Mining

Material

Steel

Heat Treatment

Normalizing

Surface Treatment

Hot Galvanized

Forging Tolerance

+/-0.5mm

Standard

ASTM

Certification

ISO 9001:2008, TF16949

Transport Package

Bag, Pallet or Plywood Box

Specification

OEM

Trademark

OEM

Origin

Shandong

Production Capacity

500000PCS/Month

Key features

Forged Alloy Steel Construction: Made from hardened alloy steel with forging tolerance of +/-0.5mm for high durability.

Comprehensive Quality Control: Provides chemical, mechanical, dimensional, hardness, and heat treatment test reports.

ISO 9001 & TF16949 Certified: Manufactured under strict ISO 9001:2008 and TF16949 standards for quality assurance.

Hot Galvanized Surface Treatment: Features hot galvanized surface treatment for enhanced corrosion resistance.

Full Customization Available: Supports full customization, minor customization, and flexible options from designs or samples.

Advanced Forging Equipment: Utilizes 4000Ton/5000Ton hydraulic machines and large ring rolling machines for precision.

100% Finished Product Inspection: Every product undergoes 100% visual and function inspection before shipment.

ASTM Standard Compliance: Meets ASTM standards for forged ball head nuts and torque fasteners.

Company profile

Full CustomizationR&D CapabilitiesODM ServicesManagement Certification

Qingdao Donrex Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤7.75h

AI-Powered supplier vetting

SummaryThe supplier specializes in customization services, offering various degrees of customization from designs and samples. They hold ISO9001:2015 and CE certifications, indicating a standard level of quality and compliance. Despite a strong export focus, their innovation capability appears limited as they did not launch any new products last year and do not collaborate with Fortune 500 companies. The company lacks overseas presence and does not participate in offline trade shows, which may restrict their global reach. They also do not maintain a valid manufacturing contract or in-stock service capacity, potentially affecting production reliability.

CertificationsThe supplier holds CE certification for product compliance and an ISO9001:2015 certificate for management systems.

R&D capabilityThe supplier has 7 R&D engineers but has not launched any new products in the past year, indicating limited innovation capability.

Production capacityThe supplier lacks a valid manufacturing contract and does not have in-stock service capacity, which could hinder production reliability.

Customization capabilityThe supplier offers a wide range of customization services, including full and flexible customization from designs and samples.