Feature:
1. Made of 20Cr material, which is wear?resistant and ?resistant, with high toughness and strength
2. Overall adopt ultra?vacuum heat treatment, bring balanced hardness of HRC58?62, not easy to wear
3. The product possess high accuracy, the concentricity of a single piece is less than or equal to 0.005mm
4. The column sleeve combination concentricity is less than or equal to 0.03mm, very accurate
5. Guide post sleeve set come with stable structure, excellent performance and long service life

Specification:
Item Type: Guide Post Sleeve
Outer Diameter: Approx. 20mm / 0.8in
Inner Diameter: Approx. 12mm / 0.5in
Head Height: Approx. 18mm / 0.7in
Total Height: Approx. 48mm / 1.9in
Carburized Layer: Approx. 1mm / 0.04in
Material: 20Cr
Surface Hardness: 58-62
Concentricity: 0.005
Fit Clearance: 0.03mm

Package List:
8 x Guide Post
8 x Guide Sleeve

Note:
Do not touch water, it will rust.