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T-A Standard
T-A Standard
A general-purpose geometry targeting a wide array of materials offering reliable performance and repeatable tool life.
(-AN) Aluminum
(-AN) Aluminum
Achieve desired chip formation and hole quality with an enhanced geometry ideal for machining aluminum.
(-BR) Brass
(-BR) Brass
Specialized geometry and edge prep that improves tool life while also reducing self-feed tendency of brass and copper.
(-BT) BT-A Specific
(-BT) BT-A Specific
Geometry designed for deep hole BT-A drilling applications to eliminate material buildup and provide excellent chip control.
(-CI) Cast Iron
(-CI) Cast Iron
Exceptional edge strength and wear resistance properties designed to improve tool life when machining grey and white cast irons.
(-CN) Cast Iron with Notch Point®
(-CN) Cast Iron with Notch Point®
With a design that combines cast iron and Notch Point geometries, this insert offers increased centering capabilities when machining grey and white cast irons.
(-CP) Cam Point
(-CP) Cam Point
Geometry that improves drill stability and centering characteristics in addition to reducing bell mouthing when using longer holders.
(-CR) Corner Radius
(-CR) Corner Radius
Offering excellent surface finish, this geometry improves exit burrs, heat dispersion, and tool life as well.
(-FB) Flat Bottom
(-FB) Flat Bottom
Geometry designed for flattening or squaring the bottom of preexisting holes (with chip splitters).
(-HI) High Impact
(-HI) High Impact
Designed for harder steels, this geometry offers enhanced chip formation and improved tool life with the SK corner clip.
(-HR) High Rake
(-HR) High Rake
Geometry with the SK corner clip that offers improved chip formation and tool life in materials with very high elasticity/ductility and lower material hardness.
(-IN) High Impact with Notch Point®
(-IN) High Impact with Notch Point®
High impact and Notch Point geometries combine to enhance chip formation and increase stability.
(-NC) Standard without Chipbreakers
(-NC) Standard without Chipbreakers
Standard geometry without chip splitters ideal for a smooth finish at the bottom of the hole as well as spot and chamfer applications.
(-NP) Notch Point®
(-NP) Notch Point®
Achieve accurate hole positioning while reducing thrust with a unique point geometry ideal for machining shallow holes.
(-RN) High Rake with Notch Point
(-RN) High Rake with Notch Point
Combination of high rake and Notch Point geometries that improves chip formation in materials with high elasticity/ductility while also reducing bell mouth and lead-off. 
(-SK) Special Corner Prep
(-SK) Special Corner Prep
This geometry offers an increased corner clip improving heat resistance while reducing exit burrs especially when drilling cast irons.
(-SP) 90° Spot and Chamfer
(-SP) 90° Spot and Chamfer
Center cutting web design ideal for providing a 90° spot and chamfer, eliminating the need for a secondary operation.
(-SS) 150° Structural Steel
(-SS) 150° Structural Steel
Includes Notch Point web geometry to reduce exit burrs, increase stability, and lower drilling forces when drilling 7/16" thick or thicker I-beam or structural materials.
(-TC) Tiny Chip
(-TC) Tiny Chip
This unique insert design optimizes chip formation, even at lighter feed rates, making this insert ideal for drilling long-chipping materials and deep hole applications. 
(-TW) Thin Wall
(-TW) Thin Wall
Designed for drilling 7/16" thick or less I-beam or structural materials, this insert increases hole diameter tolerance, improves hole roundness, and decreases material deflection.