Standard DIN 11024 Spring Steel R Clips Hairpin Cotter Pins for Machinery & Trailers

PRODUCT PARAMETERS

  • Standard: DIN 11024 (Form E) / Non-standard custom
  • Material: Premium Spring Steel (65Mn / SAE1070) / Stainless Steel (SS304 / SS316)
  • Surface Finish: Zinc Plated (Blue-White / Yellow), Black Oxide, Passivated
  • Features: Reusable, quick release, strong elastic tension, vibration-resistant
  • Application: Agricultural machinery, trailer hitches, automotive, clevis pins locking
  • Customization: OEM/ODM sizes, custom packaging, and private labeling available
Description
FAQs
Request A Quote

Description

Product Specifications

ParameterSpecification / Option
Product NameR Clip / R Pin / Hairpin Cotter Pin / Spring Cotter Pin
StandardDIN 11024, GB, ISO, ANSI, or Custom Drawing
Wire Diameter (d1)M1.5, M2, M2.5, M3, M4, M5, M6, M8, M10 (Customizable)
Material GradeSpring Steel (65Mn/SAE1070), Stainless Steel 304 / 316
Surface TreatmentZinc Plated (Cr3+), Nickel Plated, Black Oxide, Plain
HardnessHRC 40 – 50 (for Carbon Spring Steel)
Heat TreatmentQuenched & Tempered (High resilience & fatigue resistance)
PackagePolybag + Export Carton + Wooden Pallet (or Custom Assortment Box)
MOQ5,000 Pcs (In-stock sizes can be lower)
Lead Time7–15 days for standard stock; 20–30 days for bulk production

Detailed Description

Overview

Our R Clips (Hairpin Cotter Pins) are engineered for fast, secure, and reliable temporary or permanent locking solutions. Manufactured in strict accordance with DIN 11024 standards, these spring pins feature an ergonomically curved leg that snaps over shafts or clevis pins to prevent unintentional dislodging caused by vibration.

Unlike traditional split cotter pins, R clips are fully reusable and can be quickly installed or removed without requiring special tools, making them the ideal choice for applications requiring frequent maintenance or adjustment.

Key Features & Advantages

  • High-Elasticity Spring Wire: Made from premium spring steel with heat treatment, offering excellent resiliency, memory, and fatigue resistance under high stress.
  • Superior Corrosion Resistance: Smooth zinc plating or stainless steel options provide outstanding protection against rust, moisture, and chemical exposure.
  • Easy & Fast Installation: Designed with an angled end tip that slides smoothly over shafts, snapping firmly into the designated retention hole.
  • Reusable & Cost-Effective: Allows repeatedly effortless removal and re-engagement without structural weakening or deformation.

5. Main Applications

R Clips are widely used across industrial, agricultural, and commercial hardware applications:

  • 🚜 Agricultural & Farm Machinery: Tractors, plows, mowers, and tow equipment connections.
  • 🚛 Automotive & Trailers: Trailer hitch pins, axle locks, and tailgate latching systems.
  • ⚙️ Industrial Equipment: Clevis pins, shaft retention, conveyor systems, and quick-release mechanisms.
  • Marine & Lawn Care: Marine hardware, lawn tractors, and garden machinery.

6. Packaging & Customization Services

[ Packaging Options ]

  • Option A: Bulk packaging (2,000–5,000 pcs per master carton)
  • Option B: Small polybags with customized barcoded labels (100 pcs/bag)
  • Option C: Plastic assortment kit box sets (great for retail & Amazon sellers)

[ Custom Services ]

  • Custom Wire Diameters & Overall Lengths
  • OEM Surface Treatments (HDG, Dacromet, Yellow Zinc)
  • Custom Logo Printing on Inner Bags / Cartons

REQUEST A QUOTE

REQUEST A QUOTE