the best 4wings hard alloy coal drill bit,China the best 4wings hard alloy coal drill bit Manufacturers, Suppliers

Drill bit for Tunnel Boring Machine

Nov 29, 2012

... , as modern tunnels become longer, the cost of tunnel boring machines versus drill and blast is actually less—this ... bore through soft ground including sand and clay. The largest diameter hard rock TBM, at 14.4 m, was ... manufactured by The Robbins Company for Canada's Niagara Tunnel Project. The ... to. A TBM has over 100 Titanium teeth. Drill bit for Tunnel Boring Machine

Supplier: Zhuzhou Mingri Tungsten Carbide Co., Ltd.

[China Manufacturers]

PDC inserts for drill bit

Apr 04, 2012

... without delamination PDC inserts used for drilling bits 1.The PDC for drilling bits is applicable to all sorts ... size based on customers’ orders.4.The PDC for tools is used in processing alloy, non-metal and metal with ... high rigidity. According to the customers’ demands, we can ... with Louise wang , 0086-15039091808 PDC inserts for drill bit

Supplier: Henan Union Abrasives Corp.

[China Manufacturers]

HQ Diamond Core Drill Bit (Made in China)

May 16, 2012

... 3.fast speed 4.reasonable pric Diamond Core Drill Bit Impregnated core drill bit(BQ,NQ,HQ,PQ) Impregnated core bits are ... widely used in mineral exploration industry, site investigation, etc.The impregnated diamond core bit ... media. They are particularly well suited for drilling in hard, consolidated, non-abrasive formations.We can supply products as ...

Supplier: Geotool Equipments (Shenzhen) Limited

[China Manufacturers]

IADC 437 9 1/2"Kingdream TCI rock drill bit sizes HAT series for water well

Apr 23, 2012

... .IADC 437 IADC 437 9 1/2"Kingdream TCI rock drill bit sizes HAT series for water well 1.Introduction about us ... of "faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers". We ... drilling and so on.3.It is almost suitable for hard rocks, such as limestone, dolomite, chert, firm sandstone, and firm ...

Supplier: Hejian Deris Petroleum Drilling Equipment Co., Ltd.

[China Manufacturers]

supply high quality 216mm diamond drill bit for oil drilling

Apr 01, 2013

... wide size code 4.best price ,delivery on time HeJian Rui Da Petroleum Materials Co.Ltd. , with the convenient transportation, developed ... insert tricone bit2.certified by ISO,API3.wide size code4.best price5.delivery on timeTricone bit1.High-strength, high flexibility, ... the rotary cone bit with the impact, crushing and shearing the role of broken rock.6. Cone bit to adapt to the soft, medium and hard ...

Supplier: Hejian RuiDa Petroleum Material Co., Ltd.

[China Manufacturers]

tapered drill bit

Dec 17, 2012

... production system has been formed in the workshops, and the production facilities are considered as the symbol of world top production technology ... ---Suitable for medium-hard rock (1033.5bar~2067bar)Plate ---Suitable for had rock ( more than 2067bar)Drill RodSteel Drill Rod---H19/H22 ... Thread Rod---R25,R28,R32,R38,T38,T45,T51. Integral Drill Rod---H19/H22, Diameter---20mm - 42mm. tapered drill bit

Supplier: Anxi Breakag Stone Tools Co., Ltd.

[China Manufacturers]

Manufacturer of taper shank glass diamond drill bit with competitive price

Jan 28, 2013

... Good concentricity Manufacturer of taper shank glass diamond drill bit with competitive price introduction:Diamond glass driller: ... Ceramics,cameo, stone, agate, sheel, tile and other hard materials4.Complete specification: Straight shank, Taper shank ,thread shank ... Days according to the quantity10.Package:Standard export package: Manufacturer of taper shank glass diamond drill bit with competitive ...

Supplier: Zhengzhou Longda Abrasives Co., Ltd.

[China Manufacturers]

Diamond core drill bit for stone and concrete with professional segment

Nov 08, 2012

... tools internationally. Under ISO rule, we have had the proved qualities systemized, with 3 basic grades which are ... .3. economic: lower speed, little chipping, lower production. Best price. Our items:-.cutting: diamond segment-.cutting: 1.circular ... minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Diamond core drill bit for stone and concrete with professional segment

Supplier: Quanzhou Sang Diamond Tools Co., Ltd.

[China Manufacturers]

diamond drill bit

Jul 16, 2012

... , diamond drill bit, drill bit, diamond drill tools, core drill bit, drill tools. We sell all kinds of High Quality diamond drill, drill tools, diamond drill bit, drill bit, Copper Glass Drill Bit, Glass Drill Tools, Countersink ... customers as well as supplying all kinds of best quality spare parts for the after sale-service, we are becoming a leader ...

Supplier: Guangzhou S&K Glass Machinery Co., Ltd.

[China Manufacturers]

API spec 7 tricone drill bit

Jan 29, 2013

API spec 7 tricone drill bit 1.Tricorne Drill Bits Size range from 3 7/8"to 26" 2 ... sealed(W)Formationsoft formation, soft to medium hard formation, medium hard formation ,hard formation,very hard formation .We have different and suitable typesButton ... termT/TDelivery timeabout two weeks,but still depending on the quantity of the orderAdvantagehigh quality on time delivery and large available ...

Supplier: Hebei Hongrunlai Business and Trade Co., Ltd.

[China Manufacturers]

High proportion hard alloy fishing sinkers

Apr 04, 2012

... 3.competitive price 4.OEM service High proportion hard alloy fishing sinkersWe are a professional company dealing with ... with us.We can guarantee our quality and best service with the most competitive price. Density High density(95 ... High resistance , Internal organization uniform Property Alloy manufacture other choice extensive, the special performance production technology cannot spare ...

Supplier: Zhejiang Yihuo Tech Co., Ltd.

[China Manufacturers]

Oil Rig Drill Bit

Mar 04, 2013

... " Certification ISO and API Oil Rig Drill Bit1. Cutting Structure of this series tricone rock bit :The durability of premium tungsten carbide inserts ... bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and suitable ...

Supplier: Dongying Haixin Petroleum Equipment Co., Ltd.

[China Manufacturers]

titanium tap screw with drill bit

Jul 11, 2012

1. Our titanium screw is much lighter than the alloy ones. 2. Our titanium scres is of high strength and corrosion resistance. 1. Our titanium screw is much lighter than the alloy ones.2. Our titanium scres is of high strength and corrosion resistance. titanium tap screw with drill bit

Supplier: Himet Titanium Co., Ltd.

[China Manufacturers]

Hinge Boring Drill Bit

Sep 13, 2012

... Boring Drill Bit 1.Use K05 as the carbide tips, 2.we appreciate your own size 3.Drills all composition materials. Hinge Boring Drill Bit ... bring a technical level of excellence not found in a standard high speed steel Forstner Bit. 1.These ... multitude of materials. Use to drill pocket holes, angled holes, overlapping holes and flat bottom holes. 2.Best of all, these bits ...

Supplier: Foshan Shunde Yuerui Woodworking Tools Co., Ltd.

[China Manufacturers]

SDS Plus Tungsten Carbide Concrete Hammer Electric Drill Bit

Nov 02, 2012

... shank electric hammer drill bit is made of high quality alloy strucutred steel with sepcial grade carbide tip, and brazed in the heat-treating ... manufacturer and supplier of many kinds of electric hammer drill, masonry drill, chisel,router bit, concrete Hole saw and related products. 5.Company ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); SDS Plus Tungsten Carbide Concrete Hammer Electric Drill Bit

Supplier: Zhejiang Fenghua Tools Co., Ltd.

[China Manufacturers]

Straight HSS Step Drill Bit-3 Flat Shank

Aug 09, 2012

... Step Drill Bit With Straight Flute Drill round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick. Best for ... , aluminum, copper, laminates, brass, or plastic.The bits are easy to keep sharp, and the hole size is easily determined by ... the diameter markings that are permanently laser-etched in the flute areas.Different sizes are available. Straight HSS Step Drill Bit-3 ...

Supplier: Shanghai Ostar Tools Int'l Trade Co., Ltd.

[China Manufacturers]

YG8C/YG9C/YK20 etc drill bit sharpening machines

Oct 16, 2012

... from Zhuzhou city tungsten carbide center Chisel cemented carbide drill bit from Zhuzhou Jinxin Cemented Carbide Co., LtdDrawing of Chisel ... Inserts for Road Milling, Plaing BitsCarbide Inserts for Coal Cutter PicksCarbide Inserts for Snopw Plow BladesCarbide Inserts for ... Sintered, with very high quality and excellent performances. Also the price is very competitive.More items & details about ...

Supplier: Zhuzhou Jinxin Cemented Carbide Co., Ltd.

[China Manufacturers]

Carbide multiple drill bit for aluminum

Jun 21, 2012

... which for metal processing.we can make all kinds of drill bit,center drills,twist drills,fixed - point drills and so on ... longer tool life.2)Competitive price: We can give you best price and more discount for you according your quantity.3 ... by 5- Axis tools grinding machine.Guarantee the product precision and performance.4)Each drill is inspected by ZOLLER measuring and inspected ...

Supplier: Shenzhen Zhuo Luo Yu Precision Tool Co., Ltd.

[China Manufacturers]

Plus Shank Electric Hammer Drill bit

Oct 07, 2012

Plus Shank Electric Hammer Drill Plus Shank Electric Hammer Drill bitThe Body of Electric Hammer Drill Employs High-Grade Alloy Steel.The Drill Tip is Welded with YG-8 Carbide Alloy Steel.It Can Be Used with Various Types of Electric Hammer.It is a Widely Applicable and Highly Efficient Drilling Tools for The Construction or Installation. Plus Shank Electric Hammer Drill bit

Supplier: Euro-Tek Industrial Co., Ltd.

[China Manufacturers]

Plus Shank Electric Hammer Drill bit

Jun 11, 2012

Plus Shank Electric Hammer Drill Plus Shank Electric Hammer Drill bitThe Body of Electric Hammer Drill Employs High-Grade Alloy Steel.The Drill Tip is Welded with YG-8 Carbide Alloy Steel.It Can Be Used with Various Types of Electric Hammer.It is a Widely Applicable and Highly Efficient Drilling Tools for The Construction or Installation. Plus Shank Electric Hammer Drill bit

Supplier: Euro-Tek Industrial Co., Ltd.

[China Manufacturers]