Left Hand Torsion Ramp Coil Spring for Heavy-Duty Trailer Ramps

Material

Carbon steel, alloy steel, stainless steel, spring steel and bronze or as you request

Surface treatment

Zinc Plating, Chrome Plating, Nickel plating, Powder Coating, Polishing, or Customized 

Size

All sizes are available depend on customers' request

Color

Black, Blue, Red, Yellow, etc.

Certificate

 ISO/TS16949

Application

All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more

Coil Spring
Coil Capacity: 0.3Ton; Rod Size: 0.51"/13mm; Gap: 0.28"; No. of Coils: 14.5; ID: 1.73";

OD: 2.75"; Thread Pitch: 0.275"; Length: 11.95"; Color: Black; Edge Finish: 2 sides Flat

Coil Spring
Coil Capacity: 0.7Ton; Rod Size: 0.65"/16.5mm; Gap: 1.07"; No. of Coils: 5.3; ID: 3.65";

OD: 4.95"; Thread Pitch: 1.89"; Length: 7.5"; Color: Black; Edge Finish: 2 Sides Flat;

3

Coil Spring
Coil Capacity: 1Ton; Rod Size: 0.82"/21mm; Gap: 1.07"; No. of Coils: 4.9; ID: 3.65";

OD: 5.29"; Thread Pitch: 1.89"; Length: 7.5"; Color: Red; Edge Finish: 2 Sides Flat;

4

Coil Spring
Coil Capacity: 2Ton; Rod Size: 0.93"/24mm; Gap: 1.87"; No. of Coils: 4.3; ID: 3.65";

OD: 5.51"; Thread Pitch: 2.783"; Length: 8.5"; Color: Black; Edge Finish: 2 Sides Flat;

Coil Spring
Coil Capacity: 3Ton; Rod Size: 0.97"/25mm; Gap: 1.4"; No. of Coils: 4.5; ID: 3.65";

OD: 5.65"; Thread Pitch: 2.4"; Length: 8.5"; Color: Black; Edge Finish: 2 Sides Flat;

Coil Spring
Coil Capacity: 3.75Ton-s; Rod Size: 1"/26mm; Gap: 1.25"; No. of Coils: 5.8; ID: 3.65";

OD: 5.65"; Thread Pitch: 2.25"; Length: 11.8"; Color: Raw; Edge Finish: 1 Side Flat; 

Coil Spring
Coil Capacity: 4.5Ton; Rod Size: 1.08"/27mm; Gap: 1.45"; No. of Coils: 4.3; ID: 3.65";

OD: 5.81"; Thread Pitch: 2.53"; Length: 8.5"; Color: Black; Edge Finish: 2 sides Flat;

Coil Spring
Coil Capacity: 4.5Ton-s; Rod Size: 1.08"/27mm; Gap: 1.45"; No. of Coils: 5.6; ID: 3.65";

OD: 5.81"; Thread Pitch: 2.53"; Length: 11.8"; Color: Raw; Edge Finish: 1 Side Flat;