... Mold RBG -6 Precision Mould Steel SUJ2 Guide Bushing component 2.Material:SUJ2 3.Hardness:58-62 6 years in this ... to 101420 4.Our Main Products Main Products guide bush/ guide pillar/ oilless guide bushing/ guide post set/ball retainer/ wear resistant plate ... parts, self-lubricating pieces, oil-free parts, oilless guide bushings, oilless guide pins, Copper alloy, copper alloy wear-resistant plate add ...