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8" Atlas Copco Down The Hole SD8 DTH Button Drill Bits For Waterwell Drilling

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Changsha Sollroc Engineering Equipments Co., Ltd

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8" Atlas Copco Down The Hole SD8 DTH Button Drill Bits For Waterwell Drilling

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Brand Name :	SOLLROC
Model Number :	SD8 dth bits
Certification :	SGS
Supply Ability :	30000 sets per month
Delivery Time :	3-4 weeks

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8" Atlas Copco Down The Hole SD8 DTH Button Drill Bits For Waterwell Drilling

Product specifications: SD8 dth bits

Matched hammer Dia. (inch)	Bit Dia. (mm)	Bit Dia. (inch)	Gauge Qty*Button Dia. (mm)	Font Qty* Button Dia. (mm)	Air Holes	Weight (kg)	Bit Shank
2"	70	2 3/4	6*10	4*8	2	3	BR2
2"	76	3	6*12	5*10	2	3.6	BR2
3"	90	3 9/16	7*12	6*11	2	4.2	BR3/BR33/COP32
	95	3 3/4	6*14	4*13	2	4.5
	102	4	6*14	5*13	2	5.9
3.5"	90	3 9/16	6*14	4*13	2	4.9	DHD3.5
	95	3 3/4	6*14	4*13	2	5.2
	102	4	6*14	5*13	2	5.9
4"	105	4 1/8	7*14	26*13	2	8	DHD340/SD4/QL40/M40/COP42
	115	4 1/2	8*14	7*13	2	8.8
	130	5	8*14	7*14	2	102
5"	140	5 1/2	7*18	7*14	2	15.5	DHD350/SD5/QL50/M50
5"	152	6	8*18	8*14	2	16.6	DHD350/SD5/QL50/M50
6"	165	6 1/2	8*18	8*14	2	24.5	DHD360/SD6/QL60/M60
	171	6 3/4	8*18	8*18	2	25
	203	8	8*18	8*18	2	30
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*18	618+916	3	60
10"	254	10	12*18	1218+916	2	90	SD10 /NUMA100
	280	11	12*18	1218+1116	2	100
	305	12	14*18	1418+1116	2	120
	310	12 1/4	14*18	1418+1316	2	125
12"	350	13 3/4	15*19	2419+1516	3	190	DHD112/SD12 /NUMA120
12"	400	15 3/4	30*19	1819+2216	3	230	DHD112/SD12 /NUMA120

Product photos

8" Atlas Copco Down The Hole SD8 DTH Button Drill Bits For Waterwell Drilling

Product Application

We take pride in being the only manufacturers in China that has a diverse line of DTH bits that range from 3"-47"(76mm~1200mm)in diameter with most the leading hammer shanks.
Made from high quality alloy steel and advanced heat-treatment, Sollroc bits are ensured extreme protection against wear and fatigue.They're also available in four different bit-head designs-Convex,Flat,Concave and Drop center face,and four different inserts-Spherical,Ballistic,Semi-Ballistic,Two-Step to tackle any challenge and rock formations

Bit Face Selection of DTH Bit

Face Shape	Applictions	Typical formations
Flat	Hard and abrasive formations,all around.	Granite,hard limestone
Concave	Medium hard to hard formations.Less abrasive,fractured formations.Excellent control over hole deviation.	Granite,hard limestone,basalt
Convex	Soft to medium hard rock.Non abrasive formations.High penetration rate.	Limestone,hard limestone,shale
Drop Center	Soft to medium hard and fractured formations.	Limestone,shale

Sollroc is recognized as one of the professional manufacturer and supplier of high performance rock drilling tools like: DTH hammers and bits, RC hammers and bits, DTH drill rods and top hammer drilling tools with more 10 years of experience. Our tools are widely used in different drilling applications including mining, quarrying, water well drilling, geotechnical industries and etc.

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