¢ 8 × 66 × 228 × 13.5 matte black plastic, used in motorcycle rear shock absorbers, drawn from carbon steel 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: 13.5
2) Number of active coils: 11.5
3) Free height: 228mm
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 ~ 0.45A, coverage of 80%
7) Surface treatment: matte black spray