how to drill in steel

... DTH Pipes / DTH ing Tools for Rock In DTH , the rock bit is a continuation of the shank, which the rock dri...

... and round configurations. D Miningwell pipe is developed and engineered to give you straighter holes, less deviation and longer life. Thread...

..., underground mining, road cutting, and trenching and so on, and equipped with small power rock , like air leg rock , hand held rock dr...

... depth or rig. The key features of a high quality pipes are durability, high hardness, stability, accuracy. 1. High quality pipe Hardne...

... Machine For H Beams U Beams Line Three Spindle 1. APPLICATION This machine is mainly used for H-...

Solid Ball With M8 Thru Hole Threaded Metal Balls 20MM 22MM 25MM ball with hole(s) types: 1. half threaded 2. threaded all t...

...m premium grade and through closely-controlled metallurgical processes.The result is quality hex hollow with increased hardenabil...

... Speed(r/min) 60~250 Weight on Bit(KN) 10~100 Flow Rate(lps) 25~36 2. PDC BITS - STANDARD CONNECTION SIZES BIT SIZE(INCH) API REGULAR PIN(INC...

... and precise processing. Engineered with advanced carbide materials and a unique flat bottom index feature, this offers exceptional per...

... life. 3.PDC cutter can improve the life and shield the risk of complex formation not passed. 4. dynamic equilibrium design and hydra...

... Specialized Bushings Carbon Lubricating Custom Bushings Product Description The Inner Surface Of Sn-H Bushing Bearing Is...

... Bits For Stainless 1. Double head design: More cost-efficient and durable 2. 135' sharpening: Slowly feeding makes it more durabl...

... designed for holes with a diameter of 12 1/4 inches. Unlike traditional tricone bits, which have multiple rotating cones, this bit ...

... of good alloy or as per clients' demand. In the manufacture process, we plant the top level crafts and advanced production equipments & dete...

... Platform grid plate is divided into: hot dip galvanized, cold galvanized (electric galvanized), spray painted and black (not treated).Hot .....

... low-alloy plate 3 times to 5 times times; can significantly improve the wear resistance of associated components; thus improving the service...

... hex head roofing screw Stainless 304 combination Overview Quick Details Finish: Silver Plated, ZINC Material: Aluminium, Brass...

...Drillto. We can manufacture various rods according to customer requirements. Double wall pipe Type O.D.of the outer tube (mm) I.D.of th...

Product Description wxsoon factory wholesales inner coolant 3D tungsten carbide for 304L 316L Type Flute Diameter Thread Dimension Metric ...

CNC Milling China Factory Manufacture Solid Carbide s Twist for Tungsten solid carbide bit for stainless metal 1.T...