What is the minimum door leaf thickness?

The minimum required door leaf thickness is 40mm for proper installation.

What is the lead time for orders?

The standard lead time is 45-60 days. During peak season, it may take within 15 workdays to one month.

What is the maximum opening angle?

The hinge allows for a maximum opening angle of 180 degrees.

60kg 3D Concealed Hinge with Various Finishes for Heavy Steel Doors

Name: 60kg 3D Concealed Hinge with Various Finishes for Heavy Steel Doors
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 1984283301

Guangdong, ChinaTOPUNION HARDWARE AND PLASTIC CO., LIMITED

US$6.50-12.80

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

IH60-Z

Type

Vertical Adjustment Range 3/16"

Finish

Refer to Requirement

Material

Stainless Steel

Maximum Door Load

60kgs

Lead Time

45-60 Days

Logo

Laser or Stamping

Function

Wood Door or Metal Door

Standard

DIN En 1935:2002

Door Thickness

40~55mm

Feature

Adjustment

Opening Angle

180 Degree Maximum

Color

Black / Silver / Custom

Corrosion Resistance

Salt Spray Test 72 Hours

Application

Wooden & Aluminum Flush Doors

Accessories

Screws / Hex Key / Installation Manual

OEM/ODM

Accepted

Transport Package

White Box Packing

Specification

Refer to Sample

Trademark

OEM

Origin

China

HS Code

8302410

Production Capacity

500000PCS/Year

Key features

High Load Capacity: Supports up to 200kg with options for 40/60/80/120/150kg.

Customizable Finish: Available in Silver, Copper, Black, or fully customized colors.

Durable Materials: Constructed from Zinc Alloy or SS304 Stainless Steel.

180 Degree Opening: Maximum opening angle of 180 degrees for versatile use.

Concealed Installation: Cover caps hide screw heads for a clean, invisible look.

Salt Spray Resistance: Passes 72-hour salt spray test for corrosion resistance.

OEM/ODM Support: Full customization from samples or designs with 72-hour R&D.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceStandardized quality controlManagement Certification

TOPUNION HARDWARE AND PLASTIC CO., LIMITED

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤9.05h

AI-Powered supplier vetting

SummaryTopunion Hardware & Plastic Co., Limited is identified as a professional architectural hardware manufacturer established in 2002, with stated manufacturing, R&D, sales, and customer-service capabilities. Evidence supports broad customization, 3D software design, OEM/ODM, and multiple machining and testing facilities. The supplier reports quality assurance, documented corrective-action and complaint-handling procedures, and ISO9001:2015 certification. Production information includes specified outputs for several hardware products and peak-season fulfillment within 15 workdays. Export sales represent 71%–90% of total sales, with four years of export experience. Financial records are referenced for 2021–2023, but no substantive financial results are provided. Innovation capability is mixed: R&D and design services are documented, while SDK availability is explicitly absent. No factory environmental impact assessment report is available, although this does not directly determine the requested fields.

Supplier typeThe supplier is explicitly described as a professional technical supplier and professional architectural hardware manufacturer. Its stated scope covers hardware development, manufacturing, wholesale, security equipment, plastic products, and related import/export activities, indicating a manufacturing-oriented supplier with product-development capability.

CertificationsThe company states that its products are designed and manufactured according to ANSI or EN/DIN standards, and it holds an ISO9001:2015 certificate. These are explicit indications of standards alignment and quality-management certification.

After-Sales capabilityThe supplier reports clear procedures and followed records for corrective and preventive actions and customer-complaint handling. Its company description also lists customer service as part of its operating capabilities, providing direct evidence of an organized after-sales process.

R&D capabilityThe supplier reports R&D capability, 3D software design services, hardware product development, OEM/ODM, and extensive customization. However, SDK availability is explicitly marked as unavailable, so the evidence supports product and design innovation but not SDK-based development.

Production capacityProduction capability is supported by stated machining, stamping, cutting, drilling, welding, milling, CNC, packing, riveting, and testing facilities, along with specified outputs for sliding-door rollers, lever handles, and pull handles. The supplier also reports peak-season order fulfillment within 15 workdays, indicating documented manufacturing capacity and delivery capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also states that customized logos and packaging, OEM, and ODM are available, demonstrating broad product and branding customization support.