hollow hole paper drill bit

Brand Name:Dechang

Model Number:DC-PDB 7mm

Place of Origin:GuangDong , China

...Hollow Hole Paper Punching Drill Bits Product Features : ● Available in 2 kind styles to suit most popular drilling machines,straight and hollow shank. ● Dimensions from 2.0 mm to 10 mm. ● Standard HSS steel for paper, board or laminate applications ● Drill bits manufactured from HSS steel ● Both outside and inside edges polished for smooth surface ● Sharp cutting edge wax coated until use ● Suit a large range paper drill bit...

Brand Name:ShiFeng

Model Number:Couple tube 56

Place of Origin:WUXI

... bits and other drilling tools & equipment for geological exploration, mining, geotechnical, dam grouting, water well and horizontal directional drilling. We can provide 1. Test Report & MTC 2. Ready stock for normal sizes 3. Customized sizes welcomed 4.

Brand Name:BMR TOOLS

Model Number:Hollow Wood Auger Drill

Place of Origin:P.R.China

... section beam, chipboard and plywood. Be designed to quickly drill accurate and very clean holes in awkward to reach spots, or through heavy-section timbers. Spiral flute and screw style threaded tip point design will make the drilling be more easy and

Brand Name:MING

Model Number:MDO254D12-DHD112

Place of Origin:CHINA

... KINGDRILLING DTH thread button bit description: Hole opener drill bits are essential tools in the field of drilling and excavation, designed to enlarge or create holes in various materials such as rock, soil, and concrete. These specialized drill bits are

Place of Origin:China

Brand Name:MIROC

Model Number:4148301694-4148301703

.... Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length. DTH bits are paired with their corresponding hammers (by drilling hole diameter and

Brand Name:PBLOG

Model Number:DT-1

Place of Origin:China

...Hole Saw Drill Bit Set Glass Ceramic Tile Machining Cutting Tool 3-42mm Customized support :OEM,ODM Place of Origin:China Model Number :DT-1 Type: Center Drill Bit , Core Drill Bit ,Glass Drill Bit Use : Hole Drilling Working Length : 150mm Finish : Black Oxide Size: 3-50mm Grit:80# Application:Drilling Holes Shank :Taper handle Color :Silver Material:Diamond + Metal Hardness :Super Hard BAND BOKE PRODUCT NAME Diamond drill bit

Place of Origin:China

Brand Name:ShiTan

....They are usually designed for use in soft formations such as sand, clay, or some soft rock.Their uses include drilling water wells, mining, geothermal, environmental and exploration drilling.Whenever possible, they should be used to drill pilot holes, for

Brand Name:SUVEC

Model Number:tapered drill button bit

Place of Origin:China

...Hole Rock Drill Bit Tapered Button Mining Drill Bit 7°11°12° Tungsten Carbide Tapered drill bits are Ideal for small short hole drill & blast, as well as roof bolting applications, our hand-held system is comprised of premium alloy tapered hexagonal drill steels ranging from 0.5 m up to 7.9 m in length, and complimented by a complete range of reamers, blade and button bits. Feature of the taper button bit: 1 Tapered button bits...

Brand Name:SOLLROC

Model Number:M60

Place of Origin:China

..., and to transition from dirt boring to rock boring just by adding a compressor and hammer to the drill bit. Product Advantages: 1. Capable of drilling in almost all rocks, hard, medium to soft. 2. Penetration rates that can outstrip other systems

Brand Name:ROSCHEN

Model Number:6"~36" PDC Opener

Place of Origin:China

Hole Enlarging Drill Bit Trenchless PDC Opener 6"~36" PDC Hole Opener Bit Size 6"~36" Bit Type 123 223 324 424 433 524 634 Connection 3 1/2"; 4 1/2"; 6 5/8"; 7 5/8"API REG PIN Nozzle Qty 3/4/5/6/7/8/9NZ(according to your demands) Made up Torque(KN...

Brand Name:DINGCHUANG

Model Number:CDDCBH

Place of Origin:Chengdu,China

... tool for dowel drilling in woodworking. This drill bit is specifically designed to create precise and clean holes in wood and PVC materials, making it versatile for various woodworking applications. The drill bit features a tungsten carbide inserted tip,

Brand Name:STARRY and OEM

Model Number:3mm 3.2mm 4mm 5mm 6mm 8mm 10mm

Place of Origin:CHINA

Grey Roll Forged Hole Saw Drill Bit , Straight Brad Point Drill Bits Stamping Logo we can supply different kinds material for you: HRC CHEMICAL COMPOSITION(%) International DIN C W Mo Cr V 60-62 0.9-1.0 1.5-2.5 0.5-1.2 3.8-6.0 0.5-1.0 T-4241 / 62-65 0.88...

Brand Name:OED/OEM

Model Number:R38/90

Place of Origin:China

...enables drilling and grouting in one operation, making much saving in jobsite and project time. Specifications of our SDA drilling bits R38/90mm Thread:R38 Diameter:90mm Tunnelling Ground engineering 1. Face stabilization 2. Radial systematic anchoring 3.

Brand Name:OEM

Model Number:JDR

Place of Origin:China

... Diamond Coated Hole Saw Drill Bits for Stone Granite Marble Ceramic Name: Electroplated diamond hole saw for Stone Granite Marble Ceramic Type: Electroplated diamond hole saw core drill Material: Diamond Diameter: 20 to 100mm Drilling Depth: 12mm Length...

Model Number:CD45-130

Place of Origin:China

Brand Name:Super Diamond

...Hole DTH Drill Bits Forging Processing Type With Factory Direct The Drill Bits are made up of grade hard alloy and special steel, usually matched with the rock drill, to drill the rock. The drill tools are utilized in science mine, geologic exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Feature 1. Suitable for high pressure drilling rigs 2. Water well drilling

Brand Name:QIDELI

Model Number:CIR65-65

Place of Origin:PUTIAN FUJIAN CHINA

... percussion device. Widely used in mining/quarry/hydropower engineering/drilling and digging well/side pillar support. It is divided into: low pressure drill hole, medium high air pressure drill hole. The DTH drill is used with DTH hammer which has the