Double Looped Extension.

Double Looped Extension Springs offer additional safety for applications where the part’s ends must fasten securely. Available in a range of sizes in MBHD Carbon Steel. Finish is Zinc Plated.

Double Looped Group

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Part NumberOutside Diameter (in)Wire Diameter (in)Spring Rate (lbs/in)Overall Length (in)Material
410C0.2500.03172.842.00HDMB
411C0.2500.03171.763.00HDMB
412C0.2500.03171.254.00HDMB
413C0.2500.03170.975.00HDMB
414C0.2500.03170.816.00HDMB
415C0.3750.04757.572.00HDMB
416C0.3750.04754.253.00HDMB
417C0.3750.04752.974.00HDMB
418C0.3750.04751.845.00HDMB
419C0.3750.04751.346.00HDMB
420C0.5000.06255.574.00HDMB
421C0.5000.06253.276.00HDMB
422C0.5000.06252.278.00HDMB
423C0.5000.06251.7810.00HDMB
424C0.5000.06251.4612.00HDMB
425C0.6250.07206.094.00HDMB
426C0.6250.07203.466.00HDMB
427C0.6250.07202.408.00HDMB
428C0.6250.07201.8510.00HDMB
429C0.6250.07201.5212.00HDMB
430C0.7500.091515.343.50HDMB
431C0.7500.091512.604.00HDMB
432C0.7500.091510.374.50HDMB
433C0.7500.09158.825.00HDMB
434C0.7500.09157.576.00HDMB