Email:sales@xiayiparts.com
Msn:leela0501@hotmail.com
Phone:+86-18958226902
Yahoo:leela0501
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Product Name: piston 31#
Place of Origin: Ningbo,China Category name: Shock absorber piston Model: XY-D31XD8X11
XIAYI company mainly produce different kinds of shock absorber pistons, dimentions from 20MM～50MM,can be used in motorcycle or car’s shock absorbers. Based on powder metallurgy material, banded filled PTFE material outside, has the advantage of low friction and good wear resistance.
Dimension: D31XD8X11
Multiple-twin oil holes design, no scratch & crack on banded surfaceNet weight is 30.36g
Density: powder metallurgy parts no less than 6.8g/cm3, filled PTFE material is 2.05-2.17
g/cm3
Hardness: powder metallurgy parts is 65HRB, filled PTFE material is 60HRB
Steam treatment: 2H high temp steam holding time
Thickness of Fe3O4: 0.004-0.005mm
Die tooling design and making in house
