Criterion “CB Series” Boring Heads

Round Style – Double Bar

Improve boring accuracy and finishing results with the premium CB Series round boring head from Criterion. Direct reading dial screws combine with an adjustable sliding measurement in the wide bearing surface to offer improved tool centering and performance. A threaded back allows convenient interchangeable shanks, and a durable maximum rigidity head design promises long-lasting tool life.

Features:

• Wide bearing surface
• Direct reading dial screws
• Maximum rigidity built into head
• Threaded backs for interchangeable shanks

Specifications:

BRAND CRITERION ITEM NUMBER 85-052-202 85-052-203 85-052-204 MODEL # CB-202B CB-203D CB-204E HEAD DIAMETER 2″ 3″ 4″ TYPE Round Head Round Head Round Head THREAD BACK 7/8″-20 1-1/2″-18 1-1/2″-18 BORING BAR HOLE 1/2″ 3/4″ 1″ OFFSET 5/8″ 1″ 1-5/8″ ACTUAL SIZE 2″ RD 3″ RD 4″ RD CENTER DISTANCE BETWEEN HOLES 5/8″ 5/16″ 1-1/4″ CENTER HOLE MAXIMUM BORE 1-3/4″ 4-1/4″ 4-1/2″ CENTER HOLE MINIMUM BORE 1/8″ 1/2″ 1/2″ CROSS HOLE DIAMETER 1/2″ 3/4″ 1″ CROSS HOLE MAXIMUM BORE 8-5/8″ 11″ 11-3/8″ CROSS HOLE MINIMUM BORE 4-7/8″ 6-1/2″ 6-5/8″ HEAD TYPE 2″ RD 3″ RD 4″ RD MOUNT 7/8″-20 THD 1-1/2″-18 THD 1-1/2″-18 THD OUTBOARD HOLE MAXIMUM BORE 3″ 5-1/8″ 7″ OUTBOARD HOLE MINIMUM BORE 1-3/4″ 2-3/8″ 3″ OVERALL LENGTH 2-13/32″ 3-5/32″ 3-11/16″ SERIES CB-SERIES CB-SERIES CB-SERIES WEIGHT 1.5 lbs. 4.3 lbs. 8.8 lbs. COUNTRY OF ORIGIN UNITED STATES OF AMERICA