2. Applications
- Tractor and trailer attachment
- Agricultural implements (ploughs, rotavators, harrows, trolleys)
- Industrial machinery shaft locking
- Farm transport and off-road equipment
3. Material Specifications
- Material: High-carbon steel / Alloy steel
- Grade: EN8, EN9, 40Cr, 42CrMo4 (or equivalent)
- Surface Treatment:
- Zinc plated / Galvanized / Black oxide
- Optional powder coating or paint for visibility
- Heat Treatment: Quenched & tempered to improve strength and toughness
4. Dimensional Specifications
(Sizes vary with type and application; examples below)
|
Type
|
Pin Diameter
|
Pin Length
|
Hole / Retainer
|
Head Type
|
|
Standard Linch Pin
|
5–10 mm
|
50–100 mm
|
Single / None
|
Round / Flat / Knob
|
|
Double-Hole Linch Pin
|
6–8 mm
|
50–75 mm
|
Two holes for R-clip
|
Round / Flat
|
|
Spring Linch Pin
|
6–8 mm
|
50–75 mm
|
Spring-loaded retainer
|
Round / Knob
|
Tolerance: ±0.1 mm for diameter and length
5. Mechanical Properties
- High tensile strength for heavy loads
- Excellent shear and impact resistance
- Durable under vibration and repeated engagement
- Long service life in harsh agricultural conditions
6. Design Features
- Secure locking mechanism (spring ring, R-clip, or cotter)
- Chamfered ends for easy insertion
- Forged or machined heads for strength
- Smooth, precision-machined body to prevent wear
7. Quality & Standards
- Manufactured according to ISO / DIN agricultural fastener standards
- 100% visual and dimensional inspection
- Load and shear testing for critical sizes
- Compliance with OEM and aftermarket specifications
8. Packaging & Marking
- Packed in cartons, bags, or bulk containers
- Size, grade, and batch number marking
- Protective coating for corrosion prevention
