DTH Drill Bit for Water Well Drilling

Product Description

1. Easy disassemly, Reliable quality, long service life, rare abnormal breakage during service life.
2. Good flushing effect to ensure high drilling rate
3. Strict quality warranty and compensation rules
4. Wide range of usage
5. Be certisfied by ISO9001:2008

DTH Bits Series

1''-2''Middle Air Pressure DTH Bits	Bit Diameter (mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight (kg)
	76	2	6x13	5x10	3.6
	82	2	6x14	4x11	4.0
	90	2	8x12	5x12	4.2
3''High Air Pressure DTH Bits	85	2	6x13	4x12	4.2
	90	2	6x14	4x12	4.5
	95	2	6x14	5x12	4.8
	100	2	6x14	6x12	5.0
	105	2	8x13	6x12	5.5
	110	2	8x14	7x12	5.5
4''High Air Pressure DTH Bits	105	2	6x14	5x13	8.5
	110	2	7x14	6x13	8.8
	115	2	7x14	7x13	9.0
	120	2	8x14	7x13	9.8
	127	2	8x14	7x14	11.0
	130	2	8x16	8x14	10.0
5''High Air Pressure DTH Bits	133	2	7x16	7x14	15.0
	140	2	7x18	7x14	16.0
	146	2	8x18	7x14	17.0
	152	2	8x18	8x14	17.5
	165	2	8x18	8x16	18.5
6''High Air Pressure DTH Bits	152	2	8x18	7x16	22.0
	165	2	8x18	8x16	26.0
	175	2	8x18	10x16	27.0
	190	2	10x18	12x16	28.5
	203	2	10x18	13x16	29.5
8''High Air Pressure DTH Bits	195	3	9x18	9x16	33.0
	203	2	10x18	13x16	40.0
	216	2	10x18	14x16	49.0
	219	2	10x18	8x18+6x16	54.0
	229	2	10x18	8x18+7x16	57.0
	240	2	12x18	30x16	58.0
	254	3	12x18	17x16	71.0
	270	2	12x19	20x18+8x16	66.0
	279	3	12x19	20x18+9x16	71.0
	305	4	12x18	29x16	95.0
10''High Air Pressure DTH Bits	254	2	12x18	21x16	108.0
	270	2	12x19	20x18+8x16	88.0
	305	4	12x18	36x16	125.0
	311	4	12x18	36x16	130.0
	318	4	12x18	38x16	142.0
	330	4	16x18	42x16	155.0
12''High Air Pressure DTH Bits	305	4	12x18	36x16	152.0
	311	4	12x18	36x16	157.0
	315	3	15x19	42x18	136.0
	330	4	16x18	42x16	165.0
	346	4	16x19	48x16	178.0
	350	3	15x19	44x18	148.0
	368	3	15x19	40x19	156.0
	375	3	15x19	40x19	160.0
	381	4	16x19	48x16	198.0
14''High Air Pressure DTH Bits	400	3	18x19	44x19	255.0
	420	3	18x19	44x19	270.0
	445	3	18x19	44x19	285.0
	508	3	24x19	57x19	360.0
	550	3	24x20	50x25.4	420.0

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