SBN-B05

Bond
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Black

Shape

Angular

SBN-B05 is a general-purpose black CBN with remarkable strength and high thermal stability. Its angular morphology offers reduced power usage and heat generation while enhancing grinding efficiency. This CBN grain standardized product works seamlessly with vitreous bond grinding wheel systems, providing superior value and performance.

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SBN-B10

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Black

Shape

Irregular

The SBN-B10 monocrystal is widely applied in vitreous bond grinding wheel systems. Its fracture strength and breakdown characteristics vastly improve surface finish, dressing interval and wheel life. The B10’s unique semi-blocky morphology delivers free cutting characteristics to enhance wheel life and surface finish.

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SBN-B20

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Black

Shape

Blocky

SPR’s B20 features black color, medium strength, blocky morphology and high thermal stability giving it optimal performance in vitreous bond applications. SBN-B20 provides increased performance and grinding efficiency in various production grinding applications, including the automotive and aerospace industries.

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SBN-DB80

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Brown

Shape

Angular

SBN-DB80 is a high-strength abrasive with exceptional thermal stability and an angular structure, making it ideal for grinding applications such as automotive cam and crankshafts, as well as tools and dies. SBN-DB80 has slightly less fracture strength than SBN-DB80, making it well-suited for various applications, including ID/OD grinding.

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SBN-A30

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Amber

Shape

Angular

SBN-A30 offers a cost-effective solution for electroplated and vitrified tools with controlled free-cutting characteristics and consistent fracture mode. Their irregularly semi-blocky shaped particles make for an enhanced wheel life and surface finish. Improve your tool’s performance with SBN-A30.

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SBN-G50

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

50/60 - 400/500

Color

Brown

Shape

Angular

SBN-G50 is a high-strength abrasive with exceptional thermal stability and an angular structure, making it ideal for grinding applications such as automotive cam and crankshafts, as well as tools and dies. SBN-G50 has slightly less fracture strength than SBN-G70, making it well-suited for various applications, including ID/OD grinding.

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SBN-G70

Bond
  • Single Layer Electroplated
  • Metal
  • Resin
Size

50/60 - 400/500

Color

Golden

Shape

Blocky

SBN-G70 crystals are the perfect choice for electroplated tools, providing top-grade performance. These crystals excel in cutting through hardened tool steels, carbon and alloy steels, as well as nickel- and cobalt-based superalloys with their high fracture strength, micro-fracturing characteristics, and very high thermal stability.

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SBN-DG90

Bond
  • Vacuum braze
  • Metal
  • Resin
Size

20/30 - 325/400

Color

Dark Grey

Shape

Angular

SBN-DG90, with its high fracture strength and consistent, angular particles is a top-performing product for metal and vacuum braze bond systems in grinding and honing operations. SBN-DG90 provides excellent removal rates and surface finish making it perfect for a variety of demanding honing applications that require a top-performing product.

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RB-G05

Bond
  • Vitrified
  • Resin
Size

400/500 - 60/70

RB-G05 is the perfect choice for high-precision grinding on demanding materials. RB-G05 diamond’s highest-friability resin bond particles with a crystal structure that allows for micro-fracturing are ideal for scenarios where surface finish is critical. RBG5 diamond is the ultimate solution where wheel life and/or form retention is of the utmost importance.

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RB-G10

Bond
  • Vitrified
  • Resin
Size

400/500 - 60/70

RB-G10 Economy grade is a semi-blocky resin bond diamond with increased friability. RB-G10 is perfect for machining low-grinding-force cermet and ceramic workpieces with good tool life. This highly efficient abrasive is also available in both coated and uncoated forms, making it a versatile option for your machining needs.

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RB-G20

Bond
  • Vitrified
  • Resin
Size

400/500 - 60/70

RB-G20 is a high-quality standard grade blocky synthetic diamond for use in resin bond tools. This medium friability crystal is self-sharpening and has a good tool life and grinding performance balance. Available through SPR, this friable wheel grit product is perfect for resins and general-purpose abrasive applications.

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RB-G30

Bond
  • Vitrified
  • Resin
Size

400/500 - 60/70

RB-G30 is a top-of-the-line, premium grade blocky resin bond diamond that boasts superior strength and longevity. It offers an efficient, free-cutting action because of its controlled micro-fracturing and it delivers consistent and reliable performance for vitrified bonds or special resin bond applications. Choose from our full range of metal coatings to meet your specific tooling needs.

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MBX-G10

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

400/500 - 60/80

Shape

Angular

SPR’s MBX-G10 is a high-quality, friable but economical abrasive that’s ideal for use in a variety of resin bond applications. It’s perfect for low-impact, high contact area processing such as rubber cut-off wheels and resin bond stone polishing tools. Designed for both metal and resin bond systems, it’s highly effective for abrasive tasks like solid polycrystalline cubic boron nitride (PCBN) grinding and gemstone scaifing.

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MBX-G30

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

400/500 - 60/80

Shape

Semi-Blocky

SPR’s MBX-G30 ensures consistently sharp edges and optimal abrasive strength for use in metal bond tools where low abrasive strength is required. With its exceptional friability, the MBX-G30 is also perfect for some Ni-coated resin bond applications. The MBX-G30’s versatility, impact resistance, and ability to continuously generate new cutting edges make it an excellent choice for grinding hard materials. For electroplated tool applications, such as metal bond honing and dental burrs, MBX-G30 boasts the perfect balance between free-cutting action and extended tool life. MBX-G30 is also ideally suited for fired tungsten carbide grinding.

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MBX-G40

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

400/500 - 60/80

Shape

Blocky

MBX-G40 features a consistent blocky crystal shape, perfect for less demanding applications where sharp cutting characteristics are important. The nickel-coated variation, MBX-G40 Ni, is particularly well-suited for grinding tungsten carbide and steel. Whether you need to enhance durability or precision, consider MBX-G40 for your abrasive needs.

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MB-G60

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
  • Resin
Size

400/500 - 60/80

Shape

Blocky

The MB-G60 is a medium quality, semi-crystalline, blocky shaped crystal with exceptional toughness and thermal stability. It exhibits higher friability and improved surface texture than the MB-G70, producing a free cutting crystal that regenerates new cutting edges with moderate grinding force. This metal-bond product is ideal for low force grinding of glass, quartz, and carbide, less severe pencil edging, semi-finishing of flat glass, beveling of furniture glass and mirrors, cut-off wheels for glass and quartz, and ferrite grinding.

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MB-G70

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
Size

400/500 - 60/80

Shape

Cubo-Octahedral

The MB-G70 diamond boasts high thermal stability, uniform shape, and superior impact and fracture strength. Its tight distribution of crystal shapes and strength enhance extended tool life, uniform wear, and excellent free cutting capability. This premium, thermally tough diamond is ideal for core drilling of glass, decorative grooving of crystal or glass, OD grinding of Si3N4 wear parts, and PD grinding of crystal.

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MB-G80

Bond
  • Single Layer Electroplated
  • Metal
Size

400/500 - 60/80

Shape

Cubo-Octahedral

The MB-G80 presents excellent cubo-octahedral crystal shape, high impact strength, and remarkable thermal stability, ideal for high volume and demanding applications. With superior thermal and shock resistance, the MB-G80 guarantees efficient grinding and high material removal rates. Excellent for applications such as ferrite motor core and tungsten carbide button grinding as well as high-performance pencil edging.

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MB-G90

Bond
  • Single Layer Electroplated
  • Metal
Size

400/500 - 60/80

Shape

Cubo-Octahedral

Our MB-G90 product is our best standard grade monocrystalline cubic and octahedral boron nitride. It boasts uniform shape, minimal internal impurities and excellent thermal stability, making it ideal for demanding and precise applications. This high-toughness material achieves new productivity heights in applications such as electronics and pencil edging of automotive glass.

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MB-S50, MB-S60 & MB-S65

Bond
  • Single Layer Electroplated
  • Metal
  • Vitrified
Size

20/25 - 60/80

Shape

Angular, Blocky

Our grit series features three exceptional economic grades to consider: MB-S50, MB-S60 and MB-S65. The MB-S50 type is the most friable and economic option and boasts a wide array of strengths and shapes, whereas the MB-S60 and MB-S65 models are designed for moderate impact strength applications with its unique blend of friable crystals and cubo-octahedral diamond.

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MB-S70, MB-S75 & MB-S80

Bond
  • Single Layer Electroplated
  • Metal
Size

20/25 - 60/80

Shape

Blocky, Cubo-Octahedral

Our mid-range diamond products – MB-S70, MB-S75 and MB-S80 – are designed to meet the toughest application needs with excellent thermal stability, high impact resistance, and ultimate toughness. MB-S70 offers exceptional impact strength, while MB-S75 delivers an unparalleled combination of toughness and productivity for high-output applications. With minimal internal impurities, MB-S80 is the perfect choice for low power, medium-impact applications.

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MB-S85, MB-S90 & MB-S100

Bond
  • Single Layer Electroplated
  • Metal
Size

20/25 - 60/80

Shape

Cubo-Octahedral

The MB-S85, MB-S90, and MB-S100 are exceptional diamond grades distinguished by their shape, thermal stability, and high strength. The MB-S85 is cubo-octahedral in shape with low inclusions and high purity. MB-S90 is ideal for high-performance sawing and heavy powered applications, boasting cubo-octahedron crystals with controlled shape and size. Meanwhile, MB-S100’s consistent cubo-octahedron shape provides optimal strength and thermal stability for high speed drilling and sawing functions. Trust these high-grade diamonds for outstanding results.

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NDG

Bond
  • Single Layer Electroplated
  • Metal
Size

400/500 - 16/18

NDG (Natural Diamond Powder) is an abrasive composed of blocky natural diamond crystals engineered for optimum grinding and electroplating applications. Its sharp cutting edges and superior thermal strength make it an ideal choice for various industrial uses. NDG is an exceptional natural diamond abrasive with friable, irregular particles. Its sharp cutting characteristics and unique properties make it a top pick for grinding and electroplating projects.

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NDG-P

Bond
  • Single Layer Electroplated
  • Metal
Size

400/500 - 16/18

The NDG-P is a 5-10% polished diamond that’s both stable and suitable for wear protection areas. Its open structure is treated chemically to get rid of exposed tips. This friable version, chemically polished and slightly rounded, is just what you need to enhance wear resistance in a wide range of products.

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NDG-P+

Bond
  • Single Layer Electroplated
  • Metal
Size

400/500 - 16/18

The NDG-P+ is a highly polished diamond, perfect for adding wear-resistance to a range of products. Its unique open structure undergoes chemical treatment to remove any exposed tips, resulting in a friable and rounded version of the diamond. This makes it a stable and durable choice, ideal for wear protection purposes. With 20-30% polishing, the NDG-P+’s enhanced wear resistance will help your products last longer.

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MB-ME

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin

MB-ME diamond is a highly versatile super abrasive that meets most size, shape, and surface requirements. It is a great option designed to provide consistent surface finish and effective material removal in a wide range of applications where tight tolerances are not critical.

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MB-MS

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin

MB-MS diamond is a durable blocky metal bond micron with uniform particle distribution and tight oversize grasp. It has control over the size, shape and surface properties giving it high impact resistance and a desirable surface finish. Choose MB-MC diamond when surface finish integrity is critical.

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MB-MP

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin

MB-MP diamond is being grown under carefully controlled conditions to ensure tough, uniform crystal formation that offers excellent fracture and impact resistance. Choose this enhanced, blocky-shaped metal bond micron diamond for the most tightly controlled size, shape, and surface properties on the market.

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RB-ME

Bond
  • Vitrified
  • Resin

RB-ME diamond caters to various size, shape, and surface requirements without compromising on quality. With a high-quality surface finish, it’s a desirable alternative when strict tolerances aren’t critical. Our RB-ME diamond product provides excellent value for those who seek a durable and reliable solution.

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RB-MS

Bond
  • Vitrified
  • Resin

The RB-MS diamond has tightly bonded multicrystals that microchip to produce sharp edges. The particles are composed of friable, irregular, semi-blocky particles, making them the ideal choice for any soft polishing and lapping projects. Additionally, our controlled particle distributions provide consistent shapes that optimize the distribution of RB-MS particles.

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SBN-MA

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin

SBN-MA is a semi-tough, amber-colored compound suitable for resin and vitrified bond systems. It is ideal for ferrous lapping, polishing processes, as well as fine grinding, and PCBN applications. Enjoy thermal stability and improved performance with SBN-MA.

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SBN-MB

Bond
  • Single Layer Electroplated
  • Vitrified
  • Resin

Our SBN-MB is a high-toughness grey-black monocrystalline micron. It boasts outstanding thermal stability, making it highly popular for PCBN, ferrous lapping, fine grinding, and polishing applications. If you’re looking for a high-performance micron that delivers superior results, explore our CBN-MB options today!

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