diamond drilling tools,diamond drill bit,drill bit,drill bit for stone,drill bit for marble,diamond drill bit for granite,wanlong diamond drill bit for stone drilling

1 High efficiency,no-chipping,long life 2 Selectable adaptor sizes: Dia6 8 10mm shank, M14 thread, 5 8”-11 thread or Gas 1 2” etc

Drilling teeth shape	Dimension	Usable Length(mm)	SuggestedR.P.M
Plane Bits	6.0-6.5	40	4500
Plane Bits	8.0-9.0	40	4300
Plane Bits	10	40	4100
Plane Bits	12-16	40	3500-4000
Segment Bits	18	40-100	3500-4000
Segment Bits	19-32	40-100	3000-3500
Segment Bits	35-50	40-100	2500-2500
Segment Bits	51-100	40-100	1500-2500
Segment Bits	100-150	40-100	1500
Crown Bits	10-20	47	3500-4300
Crown Bits	25-35	47-100	3000-3500
Crown Bits	35-50	47-100	2500-2800
Crown Bits	50-60	47-100	2000-2500