This specification relates to commonly used types of reamers: hand reamers, machine reamers with morse taper shanks, machine (chucking) reamers, machine jig reamers, shell reamers, shell drills, socket reamers with parallel or taper shanks, hand and machine taper pin reamers, parallel and taper shank bridge reamers for hand and machine use, centre reamers, countersinks and counterbores.
