Black Oxide GB879 Spring Type Straight Pins – 50CrVA High Carbon Steel For Heavy Machinery

Product Overview

Our Black Oxide GB879 Elastic Spring Pin is engineered for high-stress, vibration-heavy applications in heavy machinery. Crafted from 50CrVA high carbon steel and treated with a corrosion-resistant black oxide coating, this elastic spring pin delivers unmatched durability, flexibility, and resistance to wear. Compliant with the GB879 standard, it ensures reliable performance in mining, construction, agriculture, and industrial equipment where robust fastening solutions are critical.

Key Features

✅ 50CrVA High Carbon Steel Construction

• High Tensile Strength: Withstands extreme mechanical stress, shock, and dynamic loads.
• Elasticity & Fatigue Resistance: Retains shape and clamping force under repeated vibration.

✅ Black Oxide Coating

• Corrosion Resistance: Protects against rust, humidity, and harsh industrial environments.
• Reduced Friction: Smooth surface finish minimizes wear during installation and operation.

✅ GB879 Standard Compliance

• Precision Manufacturing: Ensures consistent dimensions and performance for secure, self-locking retention.
• Interchangeability: Compatible with global machinery specifications.

✅ Elastic Spring Design

• Self-Expanding Action: Compresses during insertion and expands to grip materials securely.
• Vibration Resistance: Maintains tight joints in rotating or oscillating assemblies.