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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

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KSQ Technologies (Beijing) Co. Ltd

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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Name: 7 12 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
Brand: MIROC
Price: 1 USD

Best 7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit wholesale

Brand Name : MIROC

Model Number : RE 350 Hammers

Certification : ISO9001:2015

Place of Origin : Shangdong,China

MOQ : 5PCS

Price : Negotiation

Payment Terms : L/C, D/P, T/T, Western Union, MoneyGram, D/A

Supply Ability : 20000PCS Per Month

Delivery Time : 10-25Days

Packaging Details : Wooden Case/Plate

Product Name : Reverse Circulation Hammer

Application : Tunneling,piling,water Well,blasting,quarrying,concrete Drilling

Processing Type : CNC Milling And Proprietary Heat Treatment Process

Model : RE 350 DTH Hammer and Button Bit

Bit Diameter : 7 1/2'' ( 190mm ) Casing

HHammer Type : DHD360 - 6''

Face : Drop Center, Concave, Convex, Flat

Use : Underground Mining

Material : Tungsten Carbide

Button : Spherica,parabolic, Ballistic

Color : Green, Black And Demaned By Customer

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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Product Description

Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill straight holes at any angle (including horizontal) and to depths beyond 100 meters. Working together as one efficient drill bit, the components are made up of:

A pilot bit with large internal flushing holes and external flushing grooves.
Symmetrical ring bit (reamer) with internal bayonet coupling
Casing shoe for driving of casing.

The pilot bit is attached to any common DTH hammer shank or top hammer rod thread.The below size of Symmetric systems which are available, and the special design is upon customer’s requirement:
Symmetric 114, Symmetric 127, Symmetric 140, Symmetric 146, Symmetric 168,
Symmetric 178, Symmetric 195, Symmetric 219, Symmetric 243, Symmetric 273.

Specification:

Casing outer dia.(mm)	Casing thickness(mm)	Ring bit dia.(mm)	Max.dia. of normal bit(mm)	Suitable hammer (inches)	Retrievable
114	10	126	84	3.5	No
		122			Yes
127	10	142	93	3.5	No
		135			Yes
140	10	161	97	4	No
		148			Yes
146	10	165	110	4	No
		154			Yes
168	12	188	127	5	No
		180			Yes
178	12.7	196	131	5	No
		185			Yes
194	12.7	214	145	6	No
		202			Yes
219	12.7	243	170	6	No
		228			Yes

7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Contact Person: Tina Yan

Mobile/Whatsapp/Wechat: +86-15035768372
Skype: myqueen323

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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit Images

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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Symmetric Overburden Casing Drilling System

190mm Casing Drilling System

Symmetric Overburden Casing Drilling Bit

7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit Images