Motorcycle back shock absorber spring

Description

7.5 × *5 × **1 × *5.4 red, used for motorcycle rear shock absorber, drawn from *0Si2Mn oil quenching spring wire, wound into warp, then completed and set by multi-channel processes, and done surface treatment according to the requirements of customers. (With some technical requirements)
Technical Requirements:
1) Total number of coils: *5.4.
2) Number of active coils: *2.4.
3) Free height: **1mm.
4) Port deburring.
5) Both ends of the surface were wore off, circumference is not less than 3/4.
6) Shot blasted: pills ¢ 0.8mm ~ ¢ 1.2mm, intensity 0.2 ~ 0.*5A, coverage of *0%.
7) Surface treatment: red spray.