Burraway®

Upon entry, spring tension holds the replaceable and adjustable cutting blade in the extended position as it removes the burr on the front of the hole.

As the feed load increases, the pre-set spring tension is exceeded and the blade retracts automatically as the tool passes through the workpiece. (The crowned and polished top surface of the blade will not mar the inside surface of the hole.)

Spring tension again causes the blade to extend as it emerges from the ID of the part; the burr is removed on the back side of the hole on the return stroke.

BURRAWAY® tools are available in both inch and metric programs (see catalog for tool specifications).

Tools for the inch program feature imperial (inch) hardware (adjusting screw); tools for the metric program have metric screws. Both are available from stock at standard prices.

All BURRAWAY® tools operate on the same basic principle, but vary slightly in design as determined by tool size:

• Type A tools (inch program; for hole sizes from .093 through .203 in.) and Type MA tools (metric program; sizes from 2 to 5mm) are a two-piece construction (arbor assembly and adapter). All Type A and MA arbor assemblies are interchangeable with their respective shank adapters.
• Type B tools (inch program; for hole sizes from .218 through .750 in.) and Type MB tools (metric program; sizes from 5.5 through 19mm) are a single-piece construction.
• Type C tools (inch program; for hole sizes from .750 through 2 in.) and Type MC tools (metric program; sizes from 20 through 50mm) are also a single-piece construction.

A tension adjustment mechanism controls the amount of edge break for consistent results from piece to piece. Types A, MA, B, and MB tools have a tension adjustment screw located in the shank end; Types C and MC tools control depth of cut with a tension adjustment rod.

BURRAWAY tools are furnished with double-acting blades for burr removal on both the front and back sides of the hole. Blades for front-cutting or back-cutting only are available from stock at no additional charge.

Various blade rake angles and spring tension options are available and recommended for deburring specific material types(see page 10). Carbide-tipped blades are available upon request for nominal hole sizes of 3/16 inch (4.76mm) and larger. TiN-coated blades are also available upon request.

Standard BURRAWAY tools are available for both inch and metric hole sizes.

Standard drill sizes are available from stock. Custom tools – larger sizes, altered standards, or special designs – can also be supplied to suit your particular requirements.

Please furnish a part print and request a quotation. Or, inquire about our free trial and evaluation service: Let us show you how Cogsdill’s BURRAWAY tool can help you produce better-quality parts, with faster production, and at a lower cost!

Inch Program

Type A

Type B

Type C

Metric Program

Type MA

Type MB

Type MC