Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper match with bit with rod to be used for air leg or hand held jack hammer driller in quarrying,and e series is the main variety in the international series of bits. The diameter of tt is in the range 881uMbNemoyM Product Description Factory Direct Sale Hfcr-8 China Mining Core Drilling Rig With ISO 9001:2008 Features: 1. HFCR-8 Hydraulic Core Drilling Rig, an up-to-date multifunctional product is a thoroughly new-type hydraulic core drilling rig developed on the basis of the market demand and the advanced techniques in the world. 2. HFCR-8 is suitable to be used in plains, hills, high temperature 7KB3CorxRrop Product specifications: Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, T58, T60,T68 Button bit face design: Flat face, drop centre,Button bit thread type: Normal, Retrac and straghtrac . Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit diameter: 43mm-152mm) Main button bits diameters: mm, mm, mm, mm, mm mm, mm, , mm, mm, 2KNLxyHn4QGY About us: We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bit top hammer button bits, coupling, cross bits, drill rods located in , Hu, China.We have rich experience in this field of DTH hammers and bits for 20 years. Owing to high quality, professional serivce andpetitive price, EcV1k7dfGigo
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