rock drilling bits core barrel

Brand Name:JZTG

Model Number:ASD

Place of Origin:Changsha, China

...Drilling Tools / Hard Rock Drilling Rig Core Barrels Core barrels are generally divided into two types: 1- Core Barrel with Bullet Bits Applicable for strong rock up to 100MPa or Rock with deep cracks: 2- Core Barrel with Roller Bits Applicable for very strong rock...

Brand Name:jthl

Model Number:800,1000,1200,1500,2000

Place of Origin:Beijing

...rock; 3. Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel; 4. medium or slightly weathered rock, hard or super hard bedrock; Core barrel with roller bits Model Cutting Dia. Shell HIT. Shell OD. Shell THK.

Brand Name:BJTUFF

Model Number:52*14X-8 1/2'

Place of Origin:China

...Rock Roller Bits Core Barrel Characteristics: Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbide inserts and hard-facing on the shirttail increases gauge holding capability and bearing life. Model List Basic Parameter Roller bit...

Place of Origin:Hebei,China

Single cone drill bits have become an ideal choice in the field of drilling engineering due to their precise positioning, efficient drilling, wear resistance and durability, easy operation, and wide applicability. Whether in large engineering projects or ...

Brand Name:APIE

Model Number:Roller Bits

Place of Origin:China

*, *::before, *::after {box-sizing: border-box;}* {margin: 0;}html, body {height: 100%;}body {line-height: 1.5;-webkit-font-smoothing: antialiased;}img, picture, video, canvas, svg {display: block;max-width: 100%;}input, button, textarea, select {font: ...

Brand Name:Unique

Model Number:800mm

Place of Origin:Hunan, China

... in rock or concrete(also reinforced concrete). 2)Core barrel with roller bits is used in very strong rock formations(compressive strength > 100Mpa). 3)Cross cutter core barrel is mainly used to break rock cores which remain in the borehole after using a

Brand Name:JYY mechanical

Place of Origin:Tianjin,China

... with A. A. Rock drill bit (applicable to hard rock below 100Mpa or rock with deep cracks) B. Roller drill bit (applicable to very hard rock) strata with compressive strength exceeding 100Mpa Featurs Their dimensions can be changed on Client needs and

Brand Name:Kellyway

Place of Origin:China

...Rock Drilling Tools Core Barrel With 8-1/2 Single Roller Bits Diameter D(mm) Height H(mm) Thickness T(mm) Reinforcing Ring Height/Thickness H(mm)/T1(mm) Roller Bit Number Weight (kgs) 600 1200 20 250/20 4 549 800 1200 20 250/20 6 744 1200 1200 20 250/20 10 1187 1500 1200 20 250/20 12 1582 1800 1000 20 250/20 16 1906 2000 800 20 250/20 18 1941 2500 800 25 250/20 20 2800 Core barrel...

Brand Name:MING

Model Number:MDQL40-110

Place of Origin:CHINA

... pressure DTH button bit description: Built for the Toughest: Designed to excel in demanding conditions, each MDQL40 undergoes rigorous quality checks, guaranteeing longevity and top-notch ...

Brand Name:PEERCHEER

Model Number:PQ

Place of Origin:WuXi

...CORING SURFACE WIRELINE DOUBLE TUBE CORE BARREL A drilling core barrel is a specialized tool used in the process of extracting rock or soil samples from the earth's surface. It is a cylindrical device that is fitted with a cutting bit at one end and a hollow tube at the other. The cutting bit is used to drill into the ground, while the hollow tube collects the samples as they are extracted. SIZE CORE...

Brand Name:ROSCHEN

Model Number:BQ HQ NQ PQ

...Diamond Drill Bit 2) Diamond Core Drilling Bit 3) PDC Diamond Drill Bit Product Description: 1. Diamond drill bit for sandstone drilling 1) Alloy steel Body, made by material ASTM4142 or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and

Brand Name:Pangolin

Place of Origin:HeBei China

...drilling foundation drilling core barrel in Chinese factory Introduction It is very difficult to directly cut boulders and hard permafrost layers with auger bits or rotary drill buckets. Therefore, the drill barrel is designed to work with drilling augers and cleaning bits. The drill barrel is divided into core type and non-core type. According to the different drilling...

Brand Name:Yaheng

Model Number:Core Lifter& Core Lifter Case

Place of Origin:China

...Core drill bits core lifter for Rock hardness , hardened alloy Specifications core lifter case&core lifters core lifter case core barrel API&ISO Deliver on time core lifter Wireline Core barrel Fluted core lifter High quality and long life service Professional production Whole-set drilling tools Longer lifetime Electroplated Diamonds on inside USE: Drill soft to hard rock, widely used in all kinds of drillings...

Brand Name:MIROC

Model Number:NQ Drill Bit

Place of Origin:China

...Rock Drilling Diamond Core Drill Bit NQ KSQ performance of IMP.bit is determinded by conbination of diamond and matrix, KSQ use special matrix and provide optimal performance: matrix have 5 different crown height: 6,9,12,16,25mm Specifications: Size: 46~325mm diamond core drill bits with national and international standard Outside Set Diameter lnside Set Diameter Core Barrel...

Brand Name:BEST

Model Number:NQ BQ HQ PQ

Place of Origin:CHINA

... system. A complete set of wire-line core barrel include: Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench etc. It has some advantages such as high penetration rate, high core recovery ratio, long bit life and

Brand Name:JYXC

Model Number:APFCBR-SY

Place of Origin:HeBei China

... tools Outside helix and cleaning unit to optimize drilling performance Applicable Stratum: Very hard rock Reinforced concrete Customizable products are available upon customer's requirements. Service: Jiayou Xincheng VIP service relieves your worries:

Brand Name:SOLLROC

Model Number:RC bit

Place of Origin:China

...Drilling Efficiency Reverse Circulation SRC547 RC Rock Drill Bits For Sampling Product Introduce: Reverse Circulation Drilling Rigs use a dual tube rod system, which allows for a cost effective retrieval of the cuttings from the face of the borehead to the surface by transporting them through the inner tube, thus eliminating the need for sample retrieval by tripping out or by the use of a wire line core barrel...

Brand Name:Hainaisen

Model Number:8-1/2 HS95220B

Place of Origin:China

...ground gets harder, the bit can add weight with a smooth torque response and maintain a higher penetration rate than the competition. This technology differs from traditional duplex bits, requiring higher weights to drill holes even in soft rock, and is

Brand Name:Aoxing

Model Number:55mm,65mm,75mm,94mm,108mm,113mm,133mm, 145mm,153mm,175mm,185mm,193mm

Place of Origin:Hebei,China

...Core Drill Bit 1308 Cutter Tips for Core Drilling 3 Wings 133 mm Diamond Head Hard Rock Drilling Bit PDC PDC bit used for geoloical prospecting,development of oil and gas,drilling water wells,blast holes and making holes for seismic prospecting,construction engineering.now there are 2 types: Matrix and Steel Body. Matrix PDC drill bit...

Brand Name:Tianying

Model Number:12 1/4" IADC635

Place of Origin:Hunan CHINA

... a roller bits. In roller-bit drilling, rock is cut by hard-alloy teeth projecting from rolling cutters, which rotate on the drill-bit bearings. Inturn, the drill bit rotates at a high rate, and presses against the bottom hole with a high axial force. The