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...Kinds of drills for your choose! HSS TAPER SHANK TWIST DRILL;HSS STRAIGHT SHANK TWIST DRILL; THE STEPS AND LADDERS DRILL;WOOD WORKING DRILL;MASONRY DRILLS;SDL HAMMER DRILLS;GLASS & TILE DRILL BIT;ELECTRIC HA...
...Drill Bit 25pcs in one set, diameters are: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm 11mm, 11.5mm, 12mm, 12.5mm, 13mm Surface tr...
...Drill Bit 19pcs in one set, diameters are: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9mm, 10mm Surface treatment: plating titanium Cutom package is a...
...Drill Bit 25pcs in one set, diameters are: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm 11mm, 11.5mm, 12mm, 12.5mm, 13mm Surface tr...
...Drill Bit 19pcs in one set, diameters are: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9mm, 10mm Surface treatment: plating titanium Cutom package is a...
Item No.:14HSO004 Surface:Titanium Coated Include Size: 6-8-10-13-16-18-20-22-25-28-30-32-35mm x 13 step...
...bit,Three Wing Scraper Step Drag Bits for Soft Formation Application 17 1/2 inch steel tooth rotary drag bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is ...
... diamond utilizing a hard matrix compound on the face of the bit. The diamond set design ensures sufficient overlap to prevent premature wear of the matrix. Surface-Set diamond bits are primarily recommended...
...Step Drag Bits Product Introduce Drag bits can be either solid or welded construction. Solid, or one piece construction, is the most durable and recommended for the applications where error cannot be tolerat...
...,and matrix hardness and crown shapes,the users can satisfactorily dril and core hard and homogeneous formations . Surface-Set Non-coring Bits are drilling for broken formation rock which can't be cored. Cro...
...Step Type Diamond Non-Coring Drill Bit SINOVO is a professional diamond core bits manufacturer in china. After more than 20 years's hard work, we have accumulated strong scientific force and veteran technici...
Step-Type Drag Bits Of Three-Wings And Four-Wings For Water Well Drilling Product Introduce Drag bits can be either solid or welded construction. Solid, or one piece construction, is the most durable and recomm...
...Steel Twist Drill for Metal 5pcs in one set, diameters are: 4mm, 5mm, 6mm, 8mm, 10mm Surface treatment: plating titanium Cutom package is available High quality material, sharp and durable Product 5pcs Set C...
...Drill for Stainless Steel 13pcs in one set, diameters are 2mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm Surface treatment: plating titanium Cutom package is available High ...
...Drill for Stainless Steel 13pcs in one set, diameters are 2mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm Surface treatment: plating titanium Cutom package is available High ...
...Steel Twist Drill for Metal 5pcs in one set, diameters are: 4mm, 5mm, 6mm, 8mm, 10mm Surface treatment: plating titanium Cutom package is available High quality material, sharp and durable Product 5pcs Set C...
... Type: Straight Shank Helix Angle: Regular Spiral Type N Surface Finish: Amber Color (Bright, Black Oxide, Titanium)...
...action when rotated. They are comparatively inexpensive due to the lack of moving parts and theycan penetrate softer formations such as stiff clays and mudstones very quickly.The drag bit usually used in ver...
... penetration rate and longest lifespan at roughest condition. Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field. Dragging the dril...
...diamond surface - set bits differ from impregnated bits in that they only have a single layer of diamonds set onto the working surface of bits according to a pre-determined pattern, Its waterways are usually...