Hexagon socket black zinc plated

冷間圧造加工は、切削の少ない、あるいは切削を必要としない新しい圧造加工のひとつである。
金属。の作用による金属の塑性変形を利用した加工法である。
外力を受け、金型の助けを借りて、金属の体積を再分配し、移動させる。
必要な部品やブランクを製造します。冷間圧造工程は、標準的な
ボルト、ネジ、ナット、リベット、ピンなどの留め具。

Hexagon socket black zinc plated(also known as a black galvanized hex socket screw または black zinc Allen bolt) is a type of fastener with a hexagonal recess (internal drive) and a black galvanized coating for corrosion resistance and aesthetics. Below is a detailed description:

1. Material & Construction

• Base Metal: Typically made from carbon steel, alloy steel, or stainless steel for strength.

• Black Galvanized Coating: Achieved through zinc plating with a black chromate or black oxide finish, providing corrosion resistance and a dark, matte-black appearance.

2. Common Applications

• Machinery & Automotive: Used in engines, transmissions, and structural assemblies where a clean, corrosion-resistant fastener is needed.

• Electronics & Appliances: Provides a secure, low-profile fastening solution.

• Furniture & Construction: Offers a discreet yet durable fastening method.

• Hexagon socket black zinc plated

3. Advantages Over Standard Screws

• Higher Torque Capacity: The internal hex design allows for greater tightening force without stripping.

• Space-Saving: No protruding head, making it ideal for tight spaces.

• Enhanced Durability: Black galvanized coating resists moisture, chemicals, and wear better than plain steel.

4. Maintenance & Considerations

• Avoid Over-Tightening: The hex socket can strip if excessive force is applied.

• Limited Reusability: The black coating may wear off if frequently removed/reinstalled.

• Compatibility: Ensure correct thread size, pitch, and socket size (e.g., 4mm Allen key for M6 screw).

Conclusion

Black galvanized inner hexagon screws are a durable, corrosion-resistant, and visually appealing fastening solution, widely used in industries where both function and aesthetics matter. They are particularly favored in automotive, machinery, and high-end consumer products due to their strength and sleek appearance.