High Speed Steel Bright Fractional Center Reamer1-1/2,CENTER REAMERS 100DEG 3 FLUTESKU: 37E232DCOUNTERSINK POINT ANGLE*100° PointSIZE*1-1/2"Quantity*Add to CartFEATURESCenter Reamers are designed for countersinking holes for flathead screws and rivets, in portable drilling applications.