Heavy Duty Forged Mine Car Coupling Pins J-Hook Shepherd’s Hook Locking Pins for Underground Mining Carts
PRODUCT PARAMETERS
Description
Product Specifications
| Parameter | Specification / Option |
| Product Name | Mine Car Coupling Pin / Shepherd Hook Hitch Pin / J-Pin Connector |
| Manufacturing Process | Hot Forging / Precision Bending & Heat Treatment |
| Pin Diameter (d) | 25mm, 30mm, 32mm, 35mm, 38mm, 40mm, 50mm (1″ – 2″ Inch) |
| Effective Length (L) | 200mm – 600mm (Customizable based on mine car drawbar specs) |
| Head Style | Shepherd’s Crook / J-Hook Bend (Prevents pin from slipping through) |
| Material Grade | 45# Carbon Steel, 40Cr Alloy Steel, 20CrMnTi (High Toughness) |
| Hardness / Treatment | Quenched & Tempered (HRC 28–38 / HB 241–311) |
| Surface Finish | Black Oxide + Anti-Rust Oil / Black Electrophoretic Coating |
| Package | Heavy Duty Wooden Crates / Steel Pallet Bundles |
| MOQ | 500 Pcs (Custom forging accepted upon drawing) |
Detailed Description
Overview
Our Heavy-Duty Mine Car Coupling Pins (Shepherd’s Hook Pins) are engineered specifically for extreme-duty linkage in underground coal and metal mining operations. Featuring an integrated J-shaped hook bend at the top, these pins provide a fast, secure drop-in locking mechanism that prevents the pin from sliding completely through the coupler drawbar during transportation.
Forged from high-tensile carbon steel or alloy steel and heat-treated for maximum toughness, our mining car pins withstand continuous dynamic shock loads, violent vibrations, and harsh underground moisture conditions.
Key Features & Advantages
- Anti-Drop J-Hook Structure: The curved shepherd’s hook design serves as both an ergonomic handle for quick manual extraction and a physical stop to keep the pin safely locked in place.
- Drop-Forged High Durability: Forged construction ensures superior grain flow and shock resistance compared to standard welded or bent rods.
- Heat-Treated Wear Resistance: Quenched and tempered to achieve optimal hardness, reducing bending and necking under high towing loads.
- Corrosion Protection for Underground Mines: Heavy black oxide oiling or rust-inhibitive coatings protect against acidic mine water and damp environments.
5. Main Applications
Core search categories for mining and heavy industrial transport:
- ⛏️ Underground Mining Carts: Coupling linkage pins for coal cars, ore cars, and muck cars.
- 🚂 Narrow-Gauge Rail Transport: Connecting pins for industrial rail cars and quarry transport systems.
- 🚜 Heavy Material Handling: Industrial towing tractors, heavy flatbed trailers, and haulage equipment.
6. Packaging & Customization Services
[ Packaging Options ]
- Option A: VCI anti-rust plastic wrapping + Export Wooden Crates
- Option B: Steel frame pallet bundling for heavy ocean freight
- Option C: Custom steel stamping (Heat number, size, or factory logo)
[ OEM & Drawing Customization ]
- Custom Shank Diameters & Total Lengths
- Custom Hook Radius & Bend Angles
- High-Tensile Alloy Steel Options (40Cr / 20CrMnTi) with test certificates
FAQs
What types of products can we offer?
Make amazing 60 degree bevel cuts with our 8-1/4 in. SKILSAW Worm Drive model SPT78W-01. This saw is powered by our largest 15 amp Dual-Field high torque motor so you will make the last cut as precisely as you did the first cut. Exclusive 60 degree bevel. High torque Dual-Field motor. Legendary SKILSAW durability. Includes: SPT78W 8-1/4 In. Worm Drive SKILSAW, 24 Tooth Carbide blade and multi-functional blade wrench.
What logistics do we ship through?
Make amazing 60 degree bevel cuts with our 8-1/4 in. SKILSAW Worm Drive model SPT78W-01. This saw is powered by our largest 15 amp Dual-Field high torque motor so you will make the last cut as precisely as you did the first cut. Exclusive 60 degree bevel.
Can it be customized as per our requirements?
Make amazing 60-degree bevel cuts with our 8-1/4 in. SKIL Worm Drive Skilsaw model SPT78W-01. This Skilsaw is powered by our largest 15 amp Dual-Field™ high torque motor so you will make the last cut as precisely as you did the first cut. Exclusive 60-degree bevel. High torque Dual-Field™motor. Legendary SKIL durability.
What is our ordering process?
Shenguan is a direct seller of CATL, LISHEN, EVE, GOTION, Narada, TAFEL, CALB, REPT and other batteries. We have fresh stock, ready for shipment. Support ODM&OEM, please contact the store customer service to provide customized requirements.
What services are included in the after-sales service?
- This saw is powered by our largest 15 amp Dual-Field
- High torque motor so you will make the last cut as precisely as you did the first cut.
- Exclusive 60 degree bevel. High torque Dual-Field motor. Legendary SKILSAW durability.
- Includes: SPT78W 8-1/4 In. Worm Drive SKILSAW, 24 Tooth Carbide blade and multi-functional blade wrench.
