Roughing boring head DuoBore™ 821

roughing boring head
roughing boring head
roughing boring head
roughing boring head
roughing boring head
Add to favorites
Compare this product



Max.: 150 mm (5.91 in)

Min.: 25 mm (0.98 in)


DuoBore™ 821 is a versatile rough boring tool that can be used in three different operation types: multi edge- , step- and single edge boring. The slides can be adjusted individually, both axially and radially. The system consists of adaptors with matching slides, shims and covers, making it possible to adapt the tool to various materials and conditions. Benefits Versatile with three different operation types in one tool Large standard assortment of CoroTurn 107 and T-Max P inserts Available as dampened tools, 821D (Silent Tools), for productive boring even at long overhangs Features Two insert design Short, rigid and compact gives maximum stability Optional slide assemblies, individually adjustable, both axially and radially giving reduced inventory costs. Cutting fluid through the tool for good chip evacuation Application Dedicated geometries and grades for all materials Use CoroTurn 107 screw clamping as first choice Use T-Max P and CoroTurn RC for improved economy and process security in stable conditions Use tool for various application types such as counterbore, through hole and interrupted cut


No catalogs are available for this product.

See all of Sandvik Coromant USA‘s catalogs

Other Sandvik Coromant USA products

Other products

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.