These heavy-duty D-type safety lock pins are essential hardware fasteners designed to lock hitch couplers, trailer jack legs, farm machinery, lawn equipment, boat trailers and workshop power tools securely. Built with a spring wire retainer clip to prevent accidental pop-out during vibration or heavy load movement, this 10-piece bulk set meets automotive, agricultural and industrial fixing demands.
Features
- Made of solid thick carbon steel with full zinc electroplated finish. The smooth galvanized surface delivers excellent rust, corrosion and oxidation resistance, suitable for outdoor wet, muddy seaside and farm working environments without rusting or deforming under long-term use.High-Strength Carbon Steel & Anti-Rust Zinc Plating
- Equipped with a flexible U-shaped spring wire loop that locks the pin firmly in place after insertion. The built-in clip eliminates lost cotter pins; it stays closed tightly against vibration from towing, farming and machinery operation to avoid dangerous pin detachment. Simple one-hand squeeze to open and install quickly.Integrated D-Shape Spring Retainer Wire Clip
- Standard Universal Dimension (5mm × 30mm)
- Pin shaft diameter: 5mm
- Effective working length: 30mm
- Standard size fits most common trailer hitches, PTO shafts, tractor linkages, lawn mower frames and workshop saw equipment mounting holes for wide compatibility.Spring wire thickness: 2.2mm
- Thickened solid pin shaft offers outstanding shear strength, able to withstand heavy pulling loads for towing and farm machinery. The closed D-loop spring clip holds zero play to stop the pin sliding out on bumpy roads or rough farm terrain.Heavy Load Bearing & Stable Locking
- Multi-Scene Wide Application
- Automotive & Towing: Trailer couplers, boat trailer jack legs, truck pintle hooks, RV tow accessories
- Farm & Agricultural: Tractor link pins, PTO equipment, lawn mowers, ATV attachments
- Industrial & Workshop: Table saws, woodworking machinery, hand tool frames, equipment locking pins
- Outdoor Hardware: Gate latches, utility cart axles, yard machinery fasteners
- Comes with 10 identical D safety pins in one package, ideal for fleet maintenance, farm workshop stock, multi-trailer owners and repair shops to replace worn pins without frequent reorders.Value 10-Piece Bulk Pack
Specifications
- Material: High-strength carbon steel with zinc plating
- Size: 5mm shaft diameter × 30mm working length
- Lock Style: D-shaped integrated spring retainer wire clip
- Package Quantity: 10 pieces per set
- Application: Trailers, tractors, lawn mowers, boats, industrial machinery, workshop tools
What's in the box
10 x Trailer Hitch Pin
