Product Details

Product Description

kennametal coal mining drill bits

Specifications

PDC drill bits for water well drilling(for sandstone)
1.Bit size:56-153mm,3 or 4 wing
2.High drilling efficiency,long life

PDC Drill bit

construction range:water well, geothermal well, geological exploration borehole, gas drainage hole, discharge water hole, blast hole of rock drilling and coal mining

Specification of adapting to the rock and drilling procedures

Type	Model	Applicable rock
1	Normal PDC drill bit	F<10 soft-middle hard rock
2	IntensivePDC drill bit	F=10-12 middle hard rock
3	Extra strong PDC drill bit	F<18 hard rock

Specification of Drilling process:

Type	Model	Bit weight(Kg)	Speed(rpm)	pump volume (1/min)
1	28	300—700	300—350	150—200
2	30	300—700	300—350	150—200
3	32	300—700	300—350	150—200
4	48	300—700	300—350	120—160
5	56	320—800	250—350	130—180
6	75	480—1200	200—300	150—200
7	94	640—1600	150—250	200—250
8	110	880—2200	120—200	200—300
9	152	1500—3000	100—200	500—850
10	190	1800—4000	100—200	600—1200
11	230	2200—4500	100—200	750—1400
12	270	2400-5000	100—200	1000-1500

Contact person:

Renee

Jining Bafang Mining Machinery Co.,ltd

Email: bafang.machinery110 at

Mob:0086-131-6518-5302