Pineapple PDC diamond core drill bit Red sandstone fast drill bit

ITEM:	Pineapple PDC diamond core drill
DRILL DIAMETER (MM):	2" to 8 1/2" (75 mm to 315 mm)
TEETH:	5/ 6/ 8/ 10/ 12/ 14/ 16/ 18
PROCESS:	Forging and Welding
USAGE:	Threaded link core tube (customizable thread)
APPLICATION:	civil engineering/rock drilling/geological exploration/water well, etc.
MATERIAL:	PDC cutter, geological special steel
BLADE:	4-16 baldes