Specifications rock drill button bits

1. high quanlity with competitive price

2.long life with scientific desigh

3.fast delivery time

rock drill button bits
1.??? 3 3-8 IADC 537 Tricone Rock Bit ???? ? ? ?????????? ???? Tungsten carbide cutter of high strength and toughness is used to ??? ?increase the impact resistanceof cutters and decrease the breakage rate. ?????Optimal cutter rows,cutter quantitty,cutter length and cutter structure ? ???? design largely?improve the drilling capability and speed. ???? Widely??used in oil exploration, mining prospecting,subterranean beat, ??????? hydrology etc. ? ? 2. Other Mian Products?? ? ? ?3. Manual of cone bit purchase ??????

Roller cone bit(IADC)	Roller cone(m/h)		Formation hardness	Formation	Rock type	Compress strength
	WEM	OBM
111/124	15-30	18-33	very soft	soft formation with sticky layerand low compressive strength	clay/slits/sands	<25MPa
116/137 437	9-15	18-33	soft	soft formation with low compressive strength and high drill ability	claystone/marl/lignite sangstone/tuff	25-50MPa
126/139 517/527	4.5-9	6-12	medium soft	soft to medium formation with low compressiv estrength and small abrasive layers	claystone/marl/lignite/tuff sangstone/silts/anhydrites	50-75MPa
211/217 517/537	2.5-6	3-6	medium	medium to hard formation with high compressive strength and small abrasive layers	mudstone/limestone anhydrites sandstone(calcareous)	75-100MPa
211/236 537/617	1.5-2.5	1.5-3	medium hard	hard and dence formation with very high compressive strength but non abrasive	limestone/ anhydrites dolomite	100-120MPa
311/347 627/637	1-1.5	1-1.5	hard	hard and dence formation with very high compressive strength and some abrasive layers	shale(calcareous)/sandstone (siliceous)/siltstone	100-200MPa
637/737/837	1	1	very hard	extremely hard and abrasive formation	quartzite/lgneous/rock	>200MPa

? ?? 4. Packing Way ? ???? ? 5. Certification ? ??? ? ? 6. Factory view ? ???? ? ? 7. About Us. ? ??? We are? Hebei Ruishi Bits Manufacturing Co., Ltd . ? ????? ??It is a professional manufacturers in China, mainly produce all kinds of tricone rock??bits , ????????? PDC drill bits and core bits. ? ????????? All of our products have?received high reputation from our?customers all over the world ! ? ????????? It will be a great pleasure to receive your inquiries for any of the items . ? ????? ??? High Quality with Competitive Price! ? ???? ? ????????? We are looking forward to cooperating with you ! ? ??????