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®
T-A® Insert Grades and Geometries
Specific Application Geometries
High Impact - HI
• For materials with hardness over 200 Bhn (700 Nmm2 )
• Enhances chip formation in materials with high elasticity/ductility and poor
chip forming characteristics.
• SK corner clip for improved tool life
• Target materials, structural/cast and forged steels
Availability: 5 - 6 weeks. All grades and coatings
Ordering Code Example: 132T-35 HI
High Rake - HR
• For materials with hardness below 200 Bhn (700 Nmm2)
• Improves chip formation in materials with very high elasticity/ductility,
extremely poor chip forming characteristics, and low material hardness.
• SK corner clip for improved tool life
• Target material: Soft steels, steel castings and forgings
Availability: 5 - 6 weeks. All grades and coatings
Ordering Code Example: 132T-35 HR
Cam Point - CP
• Helical cam ground point
• Improved drill stability and centring characteristics
• Reduction of bell mouthing when using longer holders
• Improved hole finish when using longer holders
• Target materials: Steels, cast/forged steels, cast iron
Availability: 5 - 6 weeks. All grades and coatings. Y - 2 Series inclusive
Ordering Code Example: 132T-35 CP
Corner Radius - CR
• Improved exit burrs
• Improved surface finishes in some applications
• Good heat dispersion, giving longer tool life in some applications
• Can be used in conjunction with other geometries, i.e. Flat Bottom.
Availability: 5 - 6 weeks. All grades and coatings
Ordering Code Example: 132T-35 CR
SK
• Larger than standard corner clip
• Improved heat resistance
• Standard feature on CI, HI, HR geometries
Availability: 5 - 6 weeks. All grades and coatings
Ordering Code Example: 132T-35 SK
Brass - BR
• Improved tool life due to our specialized geometry & edge preparation
• Reduced self feed tendency
Availability: 5 - 6 weeks. All grades and coatings
Ordering Code Example: 132T-35 BR
Enhanced Chip Control
Improved Dimensional
Accuracy
Corner Enhancement
Material Specific
To further enhance the versatility of the Allied Maxcut T-A® Drilling System, specific application
geometries are available, which will further improve customer's productivity. These geometries are
designed and produced to exacting standards in AMEC manufacturing plants in Dover, Ohio, USA.
Specific application geometries are available in all substrate grades and coatings, with a delivery
lead time of 5/6 weeks.
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