Guide Pin 6 Sets Metal Guide Pin For Silicone Parts For Mold Positioning Mold Accessories Feature:1. Made of 20Cr material, it is wear-resistant and corrosion-resistant, high strength and toughness.2. After ultra-vacuum heat treatment, the hardness reaches HRC58 - 62, balanced and not easy to wear.3. The product has high accuracy, one-piece concentricity le; 0.005mm, column sleeve combination le; 0.03mm.4. The kit includes 6 guide posts and 6 guide sleeves, and the quantity is enough to access and replace at any time.5. High degree of fit and accurate positioning, often used as silicone rubber parts. Specification:Item Type: Guide SleeveOuter Diameter: Approx. 20mm/0.8in Inner Diameter: Approx. 12mm/0.5in Head Height: Approx. 18mm/0.7in Total Height: Approx. 68mm/2.7in Carburized Layer: Approx. 1mm/0.04in Material: 20CrSurface Hardness: 58-62Rotary Accuracy: 0.005Matched Ground Clearance: 0.03mm Packing List:6 x Pin6 x Guide SleeveNote:Do not get used to water, it will rust. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.