Diamond and CBN Wheel Marking System

Every SuperAbrasives wheel carries a specification code that tells you exactly what is in the wheel. This page explains how to read that code, what each position means, and how to specify a wheel correctly when placing an order.

Explanation of Marking System

D
Abrasive Type
D — Natural Diamond
MD — Man-made Diamond
MDN — Nickel Coated
MDC — Copper Coated
BN — CBN
150
Grit Size
40 · 60 · 80
100 · 120 · 150
180 · 220 · 240
280 · 325 · 400
500 · 600 · 800
1000 · 1200
N
Hardness
N — Soft
R
S
T — Hard
100
Concentration
25 — Low
50
75
100
125 — High
B
Bond Type
B — Resin
M — Metal
V — Vitrified
1/8
Abrasive Depth
1/16″
1/8″
1/4″

Example Specifications
D150-N100-B5A 1/8
Natural Diamond · 150 grit · Soft (N) · 100 concentration · Resin bond · 1/8″ abrasive depth
D180-R100-B5C 1/8
Man-made Diamond · 180 grit · Medium-soft (R) · 100 concentration · Resin bond · 1/8″ abrasive depth
D120-N100-B60 1/8
Natural Diamond · 120 grit · Soft (N) · 100 concentration · Resin bond · 1/8″ abrasive depth

Need help specifying a wheel?

Call our engineering team at (248) 348-7670 or send us your application details and we will confirm the right specification for your job.

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