8" Series DTH Drill Bits,DTH Bits,Changsha Tianhe Drilling Tools and Machinery Co., Ltd.

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8" Series DTH Drill Bits

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Product name: 8" Series DTH Drill Bits
Product number: aa05
Shelves time: 2015-10-15
Views : 221

Matched hammer diameter(inch)	Bit diameter		Qty*Button Dia(mm)		Air holes	Weight	Bit shank
Matched hammer diameter(inch)	mm	inch	Gauge	Front	Air holes	kg	Bit shank
8"	203	8	9*18	618+416	3	46	DHD380/SD8/ QL80/M80
	216	8 1/2	10*18	618+716	3	50
	254	10	10*1	618+916	3	60
	305*	12	12*18	1218+1216	3	82

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