Captive Screw Washer

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  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.

Captive Screw Washer

Product Introduction

Captive Screw Washer is a metal-and-rubber washer assembly designed to work with captive screws, providing stable bearing support, controlled fastening, and reliable retention for industrial and equipment assembly.

Core Advantages Application Scenarios OEM / ODM Services Why Choose Us FAQ Technical Parameters Inquiry Form

Application Scenarios

Industrial Equipment
Electrical Enclosures
Control Cabinets
Sheet Metal Assembly
Machinery Assembly
Automotive Components
HVAC Equipment
Metal Panels
Equipment Housing
Industrial Manufacturing

Why Choose Us

1. Integrated R&D, Production, Sales and Service

Founded in 2011, we are a comprehensive hardware enterprise integrating R&D, production, sales and service. With in-house manufacturing and direct factory supply, we can control quality, cost and lead time more effectively than trading companies.

2. Certified Quality Management System

We hold ISO 9001:2015 certification for our quality management system, covering the production of fasteners. This ensures consistent quality control and reliable production standards for bulk orders.

3. Wide Product Portfolio and Application Coverage

Our products cover construction hardware, furniture hardware, automotive hardware accessories and precision mechanical parts, widely used in residential construction, commercial facilities, transportation vehicles, electronic equipment and other industries.

FAQ

Q1: What is the MOQ for Captive Screw Washer orders?
Our standard MOQ is 100,000 pieces, suitable for distributors, wholesalers, OEMs, and industrial fastening buyers.

Q2: What is the production lead time for Captive Screw Washer orders?
The standard production lead time is 45 days, subject to order quantity and production scheduling.

Q3: Can you provide OEM or customized Captive Screw Washer orders?
Yes. As a direct manufacturer, we support OEM customization according to customer drawings and project requirements.

SIZE A
(OD)
d
(Metal ID)
D
(Rubber ID)
C
(Metal Thickness Tolerance )
B
(Rubber Thickness Tolerance)
12X4.2 11.8±0.1 4.7±0.3 3.2±0.4 ±0.1 ±0.2
14X4.8 13.8±0.1 5.3±0.3 3.8±0.4 ±0.1 ±0.2
14X5.5 13.8±0.1 6.0±0.4 4.4±0.4 ±0.1 ±0.2
16X5.5 15.7±0.1 6.0±0.4 4.4±0.4 ±0.1 ±0.2
16X6.3 15.7±0.1 6.8±0.4 5.2±0.4 ±0.1 ±0.2
16X8.4 15.7±0.1 8.5+/-0.3 6.8+/-0.4 ±0.1 ±0.2
19X5.5 18.6±0.1 6.0±0.4 4.4±0.4 ±0.1 ±0.2
19X6.3 18.6±0.1 6.8±0.4 5.2±0.4 ±0.1 ±0.2
19X7.5 18.6±0.1 7.5±0.4 5.8±0.4 ±0.1 ±0.2
19X8.4 18.6±0.1 8.5+/-0.3 6.8+/-0.4 ±0.1 ±0.2
22X8.4 21.8+/-0.1 8.5+/-0.3 6.8+/-0.4 ±0.1 ±0.2
25X6.3 24.6±0.1 6.8±0.4 5.2±0.4 ±0.1 ±0.2
25X8.4 24.6±0.1 8.5+/-0.3 6.8+/-0.4 ±0.1 ±0.2
29X6.3 28.7±0.1 6.8±0.4 5.2±0.4 ±0.1 ±0.2
29X8.4 28.7±0.1 8.5+/-0.3 6.8+/-0.4 ±0.1 ±0.2

* Test Method: Measured with a vernier caliper.

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About Us
Ningbo Zhenrui Hardware Industrial Co., Ltd.

Founded in 2011, we are a comprehensive hardware enterprise integrating R&D, production, sales, and services. Since our establishment, we have adhered to the philosophy of "Innovation-driven, Customer-oriented, Integrity for Win-Win Cooperation". Focused on manufacturing, we are committed to supplying high-quality products to customers. With years of steady development, we have grown into an influential player in the industry.

Our product portfolio covers construction hardware, furniture hardware, automotive hardware accessories, and precision mechanical parts, widely used in residential construction, commercial facilities, transportation vehicles, electronic equipment, and many other industries. By introducing advanced production equipment and technologies, along with a strict quality control system, we ensure that every product meets or exceeds customer expectations.

We advocate a people-oriented corporate culture, value employees’ growth and well-being, and foster a harmonious work environment. The company has formulated basic management systems in accordance with laws. Currently, we are steadily advancing toward group-based, specialized, and international development.

Certificate Of Honor
  • Certificate of Utility Model Patent
  • Quality Management System Certificate
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