
Original: $22.75
-70%$22.75
$6.83The Story
Century Spring Corp 21 x 101 6 x 3mm Extension Spring 2 Pack is designed for various applications requiring reliable energy absorption and resistance to pulling forces.
This extension spring is manufactured using high-grade spring wire, adhering to ASTM standards and commercial tolerances as defined by the Spring Manufacturers Institute (SMI). The pack includes both metric and imperial sizes, making it versatile for different uses. Extension springs are engineered to absorb and store energy, providing resistance against pulling forces. Century Spring Corp is a leader in the spring industry, known for its extensive selection of durable and flexible springs.
Features
- Constructed from high-grade steel wire for durability
- Manufactured to meet ASTM standards
- Pack includes both metric and imperial sizes
- Designed to absorb and store energy effectively
- Flexible and tough for various applications
Specifications
| Dimensions (W x H x D) | 20.7mm x 20.7mm x 10mm |
| Weight | 0.168kg |
| Material | Steel |
| Model Number | 0259CENT |
| Free Length | 101.6mm |
| Inside Diameter | 14.554mm |
| Max Deflection | 18.542mm |
| Outside Diameter (OD) | 20.65mm |
| Size of Material | 3.048mm |
The Century Spring Corp 21 x 101 6 x 3mm Extension Spring 2 Pack is suitable for various applications requiring reliable performance.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Century Spring Corp 21 x 101 6 x 3mm Extension Spring 2 Pack is designed for various applications requiring reliable energy absorption and resistance to pulling forces.
This extension spring is manufactured using high-grade spring wire, adhering to ASTM standards and commercial tolerances as defined by the Spring Manufacturers Institute (SMI). The pack includes both metric and imperial sizes, making it versatile for different uses. Extension springs are engineered to absorb and store energy, providing resistance against pulling forces. Century Spring Corp is a leader in the spring industry, known for its extensive selection of durable and flexible springs.
Features
- Constructed from high-grade steel wire for durability
- Manufactured to meet ASTM standards
- Pack includes both metric and imperial sizes
- Designed to absorb and store energy effectively
- Flexible and tough for various applications
Specifications
| Dimensions (W x H x D) | 20.7mm x 20.7mm x 10mm |
| Weight | 0.168kg |
| Material | Steel |
| Model Number | 0259CENT |
| Free Length | 101.6mm |
| Inside Diameter | 14.554mm |
| Max Deflection | 18.542mm |
| Outside Diameter (OD) | 20.65mm |
| Size of Material | 3.048mm |
The Century Spring Corp 21 x 101 6 x 3mm Extension Spring 2 Pack is suitable for various applications requiring reliable performance.











