Metal Bond Diamond 1A1R Cutoff Wheels

Braemar USA Metal Bond Diamond 1A1R Cutoff Wheels are high-precision superabrasive cutting wheels engineered for slotting, slicing, sectioning, and cutoff operations on hard, brittle, and wear-resistant materials. The straight-sided 1A1R wheel geometry provides a narrow cutting profile that produces accurate cuts, consistent kerf widths, and minimal material loss. As a result, these wheels are ideal for applications where dimensional accuracy, edge quality, and dependable production performance are essential.

High-Strength Metal Bond Construction

The metal-bond system securely retains the diamond abrasive and provides excellent resistance to heat, wear, and mechanical stress. Compared with softer bond systems, metal bond offers superior form retention and maintains the wheel’s cutting profile for extended periods. Therefore, operators can achieve consistent cutting depth, kerf width, and part geometry throughout long production runs.
This rigid bond structure also helps reduce wheel deflection during deep or narrow cutting operations. Consequently, Metal Bond Diamond 1A1R Cutoff Wheels can deliver straighter cuts, improved dimensional control, and more predictable performance when machining expensive or difficult-to-process materials.

Precision Cutting Performance

The 1A1R configuration is designed for applications requiring a thin, straight cut with minimal material waste. Its narrow rim concentrates the diamond abrasive at the cutting edge, allowing the wheel to penetrate hard materials efficiently while maintaining an accurate cutting path.
When properly matched to the material and operating conditions, these cutoff wheels provide:
• Straight, accurate cuts
• Consistent kerf widths
• Reduced wheel deflection
• Minimal material loss
• Excellent edge quality
• Reduced chipping and breakout
• Long wheel life
• Superior form retention
• Stable performance during extended production runs
• Less frequent wheel changes and machine downtime

Materials Commonly Cut

Braemar USA Metal Bond Diamond 1A1R Cutoff Wheels are suitable for cutting a wide range of hard, brittle, and nonferrous materials, including:
• Advanced and technical ceramics
• Alumina
• Aluminum nitride
• Boron carbide
• Carbide and tungsten carbide
• Ferrite
• Glass and optical glass
• Graphite
• MACOR® machinable glass ceramic
• Piezoelectric ceramics
• Quartz and fused quartz
• Sapphire
• Silicon
• Silicon carbide
• Silicon nitride
• Semiconductor materials
• Thermal-spray coatings
• Other engineered ceramics and nonferrous materials
Diamond cutoff wheels are not generally recommended for cutting ferrous metals because the carbon in diamond can chemically react with iron at elevated cutting temperatures. For hardened steels, tool steels, superalloys, and other ferrous materials, a CBN cutoff wheel may be the better choice.

Common Applications

Metal Bond Diamond 1A1R Cutoff Wheels are used for precision manufacturing operations such as:
• Cutting and sectioning ceramic components
• Slotting advanced materials
• Slicing glass, quartz, and sapphire
• Cutting semiconductor wafers and substrates
• Producing narrow grooves and channels
• Separating small precision components
• Cutting carbide blanks and wear parts
• Laboratory sample preparation
• Electronics and sensor manufacturing
• Optical-component manufacturing
• Aerospace and defense component production
• Medical and technical component fabrication

Custom-Engineered Wheel Specifications

Every cutting application presents different requirements for cutting speed, edge quality, wheel life, kerf width, coolant delivery, and dimensional tolerance. For this reason, Braemar USA offers Metal Bond Diamond 1A1R Cutoff Wheels in standard and custom configurations.
Available options include:
• Wheel diameter
• Wheel thickness
• Arbor-hole size
• Diamond grit size
• Diamond concentration
• Metal-bond hardness
• Rim depth
• Side clearance
• Core material
• Cutting-edge geometry
• Specialized tolerances and mounting requirements
Diamond grit size can be selected to balance cutting speed and surface finish. Coarser diamond generally provides faster material removal, while finer diamond produces smoother cut surfaces and improved edge quality. Likewise, the bond formulation and diamond concentration can be adjusted to match the workpiece material, machine rigidity, spindle speed, coolant system, and desired wheel life.

Recommended Operating Considerations

Proper wheel selection and operating conditions are essential for achieving the best results. Spindle speed, feed rate, cutting depth, coolant flow, wheel thickness, diamond grit size, and bond specification should be matched to the material and application.
Whenever possible, use an appropriate coolant to control heat, flush away cutting debris, and reduce loading at the cutting edge. Secure workholding and accurate spindle alignment are also important because vibration or excessive runout can increase chipping, widen the kerf, and shorten wheel life.

Made in the USA

Made in the USA, Braemar USA Metal Bond Diamond 1A1R Cutoff Wheels deliver the durability, accuracy, and consistent performance required for demanding industrial cutting operations. Whether the application involves technical ceramics, glass, quartz, sapphire, silicon carbide, carbide, or semiconductor materials, these precision diamond cutoff wheels provide clean cuts, excellent form retention, reduced wheel wear, and reliable production results.

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