Type	D(mm)	Wing(W)	Note Information
				MNW-3	56, 60, 65	3	1.Sizes: Above as standard type sizes;               Special Design is available upon as customer's requested
NW-3	75, 78	3
			NW-3	89,94,98,100	3
2. Wings: All sizes can do 3W/4W/5W/6W as requested.
	NW-3	108,113	3
				NW-3	133	3
	NW-4	4
			3. Thread: Sizes and Outside/Female thread as requested.
	NW-3	153		3
NW-4					4

PDC drill bits produced by Zhengzhou LD Diamond Products CO.,Ltd.,are applied to rock formation f≤15, like granite, limestone, sandstone, mudstone, etc., mainly used for geological exploration, water well, gas drainage hole, drawing water hole, injected hole, blast hole, dam and roadway construction etc.