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A, B, C type of crossover subs is with the high strength alloy structural steel, makes after the heat treatment. Its structure pattern adapts with connected dri

Applications: Drilling concrete, reinforced concrete, masonry with superior efficiency Item No. Diameter Segment Height Arbor Effective Length CDDBN02545010 25m

Rated voltage: 220V~ Frequency: 50/60Hz Rated input power: 300W No load speed:2300r/min G/N: 14/12kg Dimension: 44.5*36*26.5CM Nos per package

As a largest drill bits and bi-metal hole saw manufactuer in china, We are supplier of American tools and Bosch. We can give you the best support, too. O

Drilling jar like Griffith structure Drilling jar like Griffith structure Drilling jar like Griffith structure

Forgings made from AISI 4145H or AISI 4145H Modified for stabilizers. Heat treated and machined as requirements from the customer. Can be with or without spiral

Product Description DIN345 HSS Morse Taper Shank Drill bits High-speed steel tools are good for most general purpose applications, offering a combination of ha

PDC (polycrystalline diamond drilling bits) is processed in line with API Spec Q1&API Spec7. Landrill tools supplies different kinds of drilling bits fr