Ronstan RF483 Thimble 4mm – Stainless Steel Marine Wire Rope Thimble

The Ronstan RF483 Thimble 4mm is a precision-engineered stainless steel wire rope thimble designed to protect and reinforce eye terminations in 4mm wire rope. Perfect for use in sailing, marine rigging, lifelines, guy wires, and splicing applications, this durable fitting helps maintain loop integrity and prevent wire fatigue under load.

Made from marine-grade stainless steel, the RF483 offers excellent resistance to corrosion, abrasion, and saltwater exposure. Its polished, smooth internal curve reduces friction and prevents wear on rope or wire, extending the life of your rigging and improving safety in tensioned systems.

Specifications:

• Model: Ronstan RF483

• Material: Marine-grade stainless steel

• Wire size compatibility: 4mm

• Finish: Polished

• Type: Standard open thimble

• Applications: Eye terminations, splicing, lifelines, yacht rigging, architectural wire systems

Key Features:

• Fits 4mm wire rope – ideal for marine and architectural use

• Protects rope from abrasion and deformation under load

• Corrosion-resistant stainless steel for extended outdoor performance

• Supports safe and strong eye terminations

• Easy integration with swage terminals, crimps, or ferrules

Common Use Cases:
Used widely in marine rigging, lifeline loops, sailboat stays, and spliced terminations on yachts, dinghies, and catamarans. Also suitable for tensile architectural cable systems and industrial wire rope applications requiring a strong, long-lasting thimble for 4mm cable.