Grinding Discs for EZ HTC Greyline Professional Grinders Hard Concrete for HTC Grinder

in order to get the best grinding result, pleawse choose the right bond type.

if you do not know which bond to choose, please refer to below.

The “rule of thumb” to get you the best possible concrete is:  soft concrete requires hard bond diamonds and hard concrete needs soft bond diamonds;

Metal Bond Tooling Guide:

For Matching the Correct Diamond Bond Hardness to Concrete Hardness.

Very Hard Concrete (6,000-8,000 PSI) ----------- Extra Soft Bond Diamonds

Hard Concrete (5,000-6,000 PSI) ------------ Soft & Extra Soft Bond Diamonds

Medium Concrete (3,500 – 5,000 PSI ) ------------ Medium Bond Diamonds

Soft Concrete (3,500 PSI and under) ------------ Hard Bond Diamonds

1. Soft floor = Hard Bond Diamonds
2. Medium floor = Medium Bond Diamonds
3. Hard floor = Soft Bond Diamonds
4. Very Hard floor = Extra Soft Diamonds