High-Quality DIN931 Half Thread Black Round Slot Bolt From Hebei

Bolt Introduction

A bolt is a threaded fastener designed to assemble two or more parts by engaging with a matching nut. It typically consists of a head (for tool gripping), a shank (unthreaded or partially threaded), and threads (to secure the nut). Bolts are widely used in construction, machinery, automotive, and industrial applications due to their reliability and ease of disassembly.

Key Features:

• Material: Carbon steel, stainless steel, alloy steel, or titanium (corrosion-resistant or high-strength options).

• Thread Type: Metric (ISO), imperial (UNC/UNF), or specialized threads (e.g., ACME).

• Head Styles: Hex head, socket head, flange head, carriage bolt, etc.

• Standards: Compliant with ISO, DIN, ANSI, or JIS specifications.

Common Types of Bolts:

1. Hex Bolt - Standard hexagonal head, used with wrenches.

2. Carriage Bolt - Smooth rounded head with a square neck to prevent rotation.

3. Flange Bolt - Integrated washer-like flange for load distribution.

4. Socket Head Cap Screw - Cylindrical head with internal hex drive (high precision).

5. Eye Bolt - Loop head for lifting or anchoring.

6. U-Bolt - U-shaped for piping or structural support.

Applications:

• Construction: Steel structures, bridges, and buildings.

• Automotive: Engine assembly, chassis, and body panels.

• Machinery: Equipment assembly, robotics, and heavy-duty fixtures.

• Household: Furniture, appliances, and DIY projects.

Advantages:

High tensile strength and durability.
Reusable and adjustable with nuts.
Available in various coatings (e.g., zinc, galvanized) for corrosion resistance.

For specific requirements (e.g., load capacity, thread pitch), consult technical datasheets or industry standards like ISO 4014 (Hex Head Bolts) or ASTM A325 (Structural Bolts).
 

Certificate