ITEM IS AVAILABLE IN EITHER COBALT OR HIGH SPEED FOR ALL FASTNERS; HIGH SPEEDS ARE STANDARD. COLBOLT ABD CARBIDE REAMERS ARE AVAILABLE FOR SPECIAL APPLICATIONS. DESIGEND PRINCIPALLY FOR STARTING HOLE SIZING WHERE ONLY A MODERATE AMOUNT OF STOCK REMOVAL IS REQUIRED (TYPICALLY .010 TO .015 INCH). STARTING RAMERS FEATURE A PILOT WHICH IS SIZED TO THE DRILLED PILLOT HOLE.