RA materials for Hardness O

Ruby Mounted Points (32×25×6.0MM) ,1-1/4" × 1-1/4", 1/4" shank dia. feature a durable 30# grit,   Engineered for precision grinding and flawless surface finishing, High-chrome Ruby Abrasive boasts significantly sharper cutting edges than standard Pink Aluminum Oxide. Designed specifically for hard metals in the HRC 55-60 hardness range, it delivers unrivaled cutting efficiency for demanding industrial applications.   Special mounted points in hardness O for foundries are manufactured from a specially developed bond and a grain mix of pink and red aluminium oxide. This grain combination results in a good balance of stock removal rate and tool life, especially when working on steel castings. The hardness O is particularly suitable for tough work on cast steel.   Advantages）：   1. Very high abrasiveness and aggressiveness right from the outset 2. High stock removal rate in combination with long tool life 3. Supplied in practical and environmentally friendly industrial packaging