It is similar to torsion spring. Because of high torsion force and a twisting moment of multiple angle, it is used for a long time to perform work function. It can be used in tape measure, car starting motor, receiving wire box. etc.
Customized Industrial Usage Stainless Steel metal Constant Force torsion memory Tension Spring Material Available:Steel:1018,1213,12L14,1215,C45, etc. Stainless Steel:201,301,303,304,316,416,420, etc. Aluminum Alloy:5052,6061,6063,6082,7075,etc Brass Alloy:360,36000,3601,3602,3603,3604,38500, etc. Bronze:C51000,C54400, etc. Plastic: Pom, ABS, Nylon, etc. Treatment:Anodize, sandblast,polishing,nickel plating,electroplating,annealing,chrome plating, laser etc.
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
PRODUCT NAME: 0.13mm 14mm 4160mm dog leash constant force spring---- Stainless steel / starter spring / recoil spring / Flat spring / rewind spring / coil spring / Constant Force Spring / Constant Torque Spring PRODUCT SCOPE: Spring Thickness: 0.13mm Spring Width: 14mm Spring Length: 4160mm Inner Diameter:5mm Outer Diameter: 20mm Hook size: Spring Material: Stainless steel HS Code: 73202090
