National's new Flying V grinder tooling comes in several grits and bonds. The 9509-30SB is a double segment, arrow shaped piece of diamond tooling. This 30-grit, soft bond diamond is more aggressive than other segment shapes because of the leading edges...

National's new Flying V grinder tooling comes in several grits and bonds. The 9509-30MB is a double segment, arrow shaped piece of diamond tooling. This 30-grit, medium bond diamond is more aggressive than other segment shapes because of the leading...

National's new Flying V grinder tooling comes in several grits and bonds. The 9509-16MB is a double segment, arrow shaped piece of diamond tooling. This 16-grit, medium bond diamond is more aggressive than other segment shapes because of the leading...

National's new Flying V grinder tooling comes in several grits and bonds. The 9509-16SB is a double segment, arrow shaped piece of diamond tooling. This 16-grit, soft bond diamond is more aggressive than other segment shapes because of the leading edges...

This 80 grit, 4 seg metal bond diamond is for use with National's largest concrete grinders; the GP500, GP700, and GP3000.  Counter-rotational grinders are for large spaces and high productivity rates.  The 501080 is part of our series of...

This 80 grit, 4 seg metal bond diamond is for use with National's largest concrete grinders; the GP500, GP700, and GP3000.  Counter-rotational grinders are for large spaces and high productivity rates.  The 501080 is part of our series of...

This counter-rotational metal bond diamond wedge is a 70 Grit, 2 Seg. This metal bond diamond fits National's GP500, GP700, and GP3000 concrete floor grinders.  These large capacity grinders fit a variety of tooling and have the power to deliver a...

This counter-rotational metal bond diamond puck is a 40 Grit, 4 Seg. The 501040-SP metal bond diamond fits all of National’s counter-rotational grinders and is intended for use on hard concrete.

This counter-rotational metal bond diamond wedge is a 40 Grit, 2 Seg. The 501040-S metal bond diamond fits all of National’s counter-rotational grinders and is intended for use on hard concrete.

This counter-rotational metal bond diamond puck is a 30 Grit, 10 Seg. The 501030-10 metal bond diamond fits all of National’s counter-rotational grinders

This counter-rotational metal bond diamond puck is a 25 Grit, 4 Seg. The 501025-SP metal bond diamond fits all of National’s counter-rotational grinders and is intended for use on hard concrete.

This counter-rotational metal bond diamond puck is a 25 Grit, 4 Seg. The 501025-HP metal bond diamond fits all of National’s counter-rotational grinders and is intended for use on soft concrete.