Bronze through bolts are suitable for 351 series door closers

Short Description:

Material: Bronze

Length-6mm-40mm

Surface treatment – polishing

Provide various types and lengths of bronze bolts, pure copper bolts, M4-M12, etc.

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Product Detail

Product Tags

Description

Product Type

customized product

One-Stop Service

Mold development and design-submit samples-batch production-inspection-surface treatment-packaging-delivery.

Process

stamping，bending，deep drawing,sheet metal fabrication，welding，laser cutting etc.

Materials

carbon steel,stainless steel,aluminum,copper,galvanized steel etc.

Dimensions

according to customer's drawings or samples.

Finish

Spray painting, electroplating, hot-dip galvanizing, powder coating, electrophoresis, anodizing, blackening, etc.

Application Area

Auto parts, agricultural machinery parts, engineering machinery parts, construction engineering parts, garden accessories, environmentally friendly machinery parts, ship parts, aviation parts, pipe fittings, hardware tool parts, toy parts, electronic parts, etc.

Quality Warranty

1. All production and inspection processes for products have quality records and inspection data.
2. Strict testing is performed on every prepared part prior to its export to our clients.
3. We pledge to repair each of these parts at no cost if any are damaged while operating normally.

We therefore have faith that every part we provide will function as intended and be backed by a lifetime warranty against faults.

Quality management

Vickers hardness instrument.

Profile measuring instrument.

Spectrograph instrument.

Three coordinate instrument.

Shipment Picture

Production Process

01. Mold design

02. Mould Processing

03. Wire cutting processing

04. Mold heat treatment

05. Mold assembly

06. Mold debugging

07. Deburring

08. electroplating

09. Product Testing

10. Package

Advantages of metal stamping

The metal stamping process has several significant advantages, making it widely used in various industrial fields. The following are the main advantages of the metal stamping process:

High production efficiency: Hardware stamping relies on stamping dies and stamping equipment to complete processing. The press can perform stamping operations quickly and continuously, greatly improving production efficiency. High-speed presses can even achieve hundreds or even more than a thousand stamping strokes per minute, achieving efficient production.
High material utilization rate: During the stamping process, most materials can be effectively utilized, reducing waste generation, helping to reduce costs and improve production efficiency.
Good consistency: Metal stamping uses molds for processing, ensuring the consistency and interchangeability of stamped parts. The mold ensures the dimensional and shape accuracy of stamped parts and avoids errors that may occur in traditional processing methods.
Good surface quality: During the metal stamping process, the material is subject to uniform pressure in the mold, so the surface quality of the stamped parts is usually good, with no obvious flaws or defects.
Can process complex shapes: Metal stamping technology can process parts of various complex shapes, including some shapes that are difficult to achieve through other processing methods, providing flexibility in design and manufacturing.
Simple operation and easy to realize automation: Hardware stamping operation is relatively simple and easy to realize automation, which further improves production efficiency.
Lower cost: Due to high production efficiency, high material utilization, and usually no need for complex subsequent processing, the cost of metal stamping parts is relatively low.
The metal stamping process has many advantages in industrial production and can meet the needs of different industries for high-precision, high-efficiency, and high-quality metal products.