drilling a well by hand

... construction and national defense construction areas for operations. YT28 Jack leg : The YT28 rock machine is a kind of high e...

Small Vertical Machine , Z5132 Machine For Metal This vertical machine is universal type machine tool. This machine is...

Hollow Anchor Bar Self-Drilling Bolt Left Hand Threaded Rod T30/16 T30/14 T30/11 Expansion Shell Rock Bolt Product Description Self drilling anchor sy...

...5mm, 5mm, 5.5mm, 6mm, 6.5mm, 8mm, 10mm Feature: Good toughness and abrasive resistance, high ability. The Range of Application: used in dr...

... Pipe Slip Rotary Slips For Oil ing Rig Tools pipe slips type SD can accommodate pipes from 2 3/8” to 7”. They are class...

... button Matched connection: 7 degree taper Diameter: 37mm KINGDRILLING DTH taper bit description: Through the taper connection on the b...

Product Description: The Self Drilling Metal Screws are also equipped with a point type that complies with ANSI B 16.9 and ASTM A420 standards. The sh...

Refurbished Shacman SR150 rotary drilling rig with friction/interlock kelly bar and parts SR150C is a 150kN rotary drilling rig produced by Beijing Sh...

Petroleum Drilling Bit Three Cone Drilling Tool For Hard Formation Well Drilling L-Series Introduction Cuttong Structure: part of tricone bit,both ste...

Product name Hydraulic Piling Driver 30m 40m 50m 60m 70m 80m 90m Depth Rotary Drilling Rigs used second-hand rig Here is Beijing Jietaihongli Technolo...

21V Wholesale Customized Brushless Hardware Cordless Set Electric Drill Power Tools Electric Drill Power Tools Specification #detail_decorate_root .ma...

Product Details Model: CPD-7700AHL Origin: Taiwan Production date: 2005 System version: SIEB & MEYER CNC 84 Number of Machine Spindle: 7 Processing si...

... in which the left has to be used are as follows: Some spindles are restricted by conditions and cannot use right ing. In one word, left...

... the small gasoline-engine,compressor and rock . It can blow off the rock powder in the blasthole by the compressing air generated from itself...

... Bit Set for Broken Bolt Description: - Screw extractors, easy out, are designed to remove broken studs, bolts, socket screws and fitting...

... battery. color silver ,black ,customized net weight about 1.5kg battery NI-MH output power more than 20W Max. Diameter 4.2mm No...

...tapered bit end. available from 0.6 meter to 3.6 meters in length—are measured from the collar to the rock bits end. Product Description: For...

... Tools HRD204 held hydraulic rock Product feature of Rock Tools Internal air compressor, without air pressure and water...