Unbranded - T309 - Tension Spring

The T309 is a standard unbranded tension spring, also known as an extension spring, commonly utilized across various industrial and machinery applications. Manufactured from durable music wire, this spring features a 0.81 mm wire diameter, a 6.35 mm outside diameter, and a 38.1 mm body length. It provides an initial tension of approximately 1.56 Newtons and has a spring rate of 0.25 Newtons per millimeter, making it suitable for general-purpose use where a specific pulling force and extension are required.