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8 Inch Steel Atlas Copco Hammer DTH Drill Bits , Mission 80 Hard Rock Drill Bits

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Changsha Sollroc Engineering Equipments Co., Ltd

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8 Inch Steel Atlas Copco Hammer DTH Drill Bits , Mission 80 Hard Rock Drill Bits

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Brand Name :	SOLLROC
Model Number :	Mission80 dth bits
Certification :	SGS
Supply Ability :	30000 sets per month
Delivery Time :	3-4 weeks

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8 Inch Steel Atlas Copco Hammer DTH Drill Bits , Mission 80 Hard Rock Drill Bits

8" Atlas Copco Down The Hole Mission80 M80 DTH Button Drill Bits For Rock Drilling

Product specifications: Mission80 dth bits

8" hammer DTH bits shank	Bit Dia.		No. Air Holes	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
8" hammer DTH bits shank	mm	inch	No. Air Holes	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
DHD380/COP84	195	7 11/16	3	9×φ18	9×φ16	32.0	DHD380-195
	203	8"	2	9×φ18	10×φ18	41.0	DHD380-203
	216	8 1/2"	2	10×φ18	12×φ16	49.0	DHD380-216
	254	10"	3	11×φ18	17×φ16	71.0	DHD380-254
	305	12"	4	12×φ18	29×φ16	95.0	DHD380-305
SD8	195	7 11/16	3	9×φ18	9×φ16	32.0	SD8-195
	203	8"	3	9×φ18	9×φ18	41.0	SD8-203
	216	8 1/2"	2	10×φ18	12×φ16	49.0	SD8-216
	254	10"	3	11×φ18	17×φ16	71.0	SD8-254
	305	12"	4	12×φ18	29×φ16	95.0	SD8-305
QL80	195	7 11/16	3	9×φ18	9×φ16	32.0	QL80-195
	203	8"	3	9×φ18	9×φ18	41.0	QL80-203
	216	8 1/2"	2	10×φ18	12×φ16	49.0	QL80-216
	254	10"	3	11×φ18	17×φ16	71.0	QL80-254
	305	12"	4	12×φ18	29×φ16	95.0	QL80-305
Mission80	195	7 11/16	3	9×φ18	9×φ16	35.0	M80-195
	203	8"	3	9×φ18	9×φ18	40.0	M80-203
	216	8 1/2"	2	10×φ18	12×φ16	54.0	M80-216
	254	10"	3	11×φ18	17×φ16	57.0	M80-254
	305	12"	4	12×φ18	29×φ16	77.0	M80-305

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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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