9A3 CBN Wheels

9A3 CBN Wheels Resin Bond are engineered for high-precision grinding of hardened steels, high-alloy tool steels, powder-metal materials, and ferrous components where edge accuracy and cool-cutting performance are essential. The 9A3 wheel shape features a flaring cup profile that provides excellent stability, rigidity, and visibility into the grinding zone—ideal for tool room operations, CNC tool grinding, and precision form grinding.

Manufactured with premium cubic boron nitride (CBN) and advanced resin-bond systems, these wheels provide controlled breakdown, consistent sharpness, and exceptional thermal stability. Braemar USA formulates each 9A3 wheel for reduced grinding forces, minimal heat generation, and superior surface finishes in demanding production environments.

9A3 CBN Wheel Shape

Flaring cup profile with a controlled angle for stability
Ideal for sharpening, relief grinding, and surface/form applications
Excellent operator visibility and coolant access
Maintains geometry for mid-profile and fine-form grinding

Resin Bond Advantages

Cool-cutting performance—resin absorbs grinding forces and reduces heat
Self-sharpening behavior ensures continuous exposure of fresh CBN
Superior surface finish on hardened steels and tool steels
Less risk of burning, thermal cracking, or workpiece deformation
Available in standard, heat-resistant, and Braemar Super Bond resin systems

Material Compatibility

Use Braemar 9A3 CBN wheels for grinding:

High-speed steel (HSS)
M2, M35, M42 cobalt steels
D2, A2, S7, and other tool steels
Die steels and bearing steels
PM steels
Alloy steels and ferrous components

Applications

Perfect for:

End mill and cutter sharpening
Drill and reamer grinding
Tool room grinding
CNC tool grinding centers
Surface grinding and edge grinding
Precision finishing of hardened steel parts

Why Choose Braemar USA 9A3 CBN Wheels?

Consistent form accuracy and long wheel life
Controlled diamond/CBN exposure for predictable grinding performance
Custom grits, concentrations, bond hardness, and cup angles available
Engineered for both manual and automated grinding equipment

Call (480) 966-9311 or Add to Quote for pricing.

Add to Quote