betvlctor伟德国际

<p id="ptfrh"></p>
<address id="ptfrh"><address id="ptfrh"><nobr id="ptfrh"></nobr></address></address>

    <noframes id="ptfrh">

    <address id="ptfrh"><address id="ptfrh"><menuitem id="ptfrh"></menuitem></address></address>

          Loading...
          Contact Us
          Hammond & Company Ltd
          Finway Road
          Hemel Hempstead
          Hertfordshire
          HP2 7PT
          England
          +44 (0)1442 212 211
          +44 (0)1442 252 003
          Send a Message
          We'll respond within 48 business hours
          Diagram

          Speedfeed Drills


          The Speedfeed drill is a twin fluted, carbide tipped coolant fed drill. The micro grain solid carbide tip is multi regrindable. The tubular shank is formed and heat treated from high quality chrome molybdenum steel into an overlapping figure of eight cross section.

          The maximum flute length is 900mm subject to the application being suitable. Please discuss new applications with Hammond & Company's technical department.

          A regrinding service is available at our Hemel Hempstead factory.

          ? Tungsten Carbide tipped
          ? Multi-regrindable
          ? ? 5,0 to ? 30,0 diameter
          ? High penetration rates
          ? Good size control and surface finish

          Ordering Information


          When ordering Speedfeed drills please state diameter, flute length and driver design. Alternatively, go towards the end of this website and order by Product Codes.

          Driver Styles

          Driver Styles REF d h h1 h2
          HAMMOND STANDARD
          FA 16 40    
          FB 25 50
          FC 35 60
               
          WELDON
          GC 16 48 24  
          GD 20 50 25
          GE 25 56 32 17
          GF 32 60 36 19
          JF 40 70 40 19
          Driver Styles REF d h h1 h3
          View PDF
          SANDVIK TYPE
          JD 16 48 34 40
          FF 20 48 34 40
          FG 25 53 38 45
          FH 32 55 38 45
          GUNDRILL TYPE
          FT 10 40 24  
          GU 16 45 31
          FV 20 70 34
          FW 25 70 34
          FX 32 70 34
             
             

          Speedfeed Cutting Data

           
          MATERIAL CUTTING
          SPEED
          FEED - mm PER REV
            M/MIN ? 5 -10 ? 10 - 15 ? 15-20 ? 20-30
          LOW CARBON STEEL 60 - 110 0.03 - 0.13 0.10 - 0.28 0.15 - 0.35 0.15 - 0.40
          CAST IRON 40 - 80 0.06 - 0.24 0.10 - 0.40 0.20 - 0.45 0.30 - 0.50
          ALUMINIUM
          (DIFFICULT TO CHIP)
          80 - 160 0.03 - 0.10 0.04 - 0.15 0.06 - 0.20 0.08 - 0.30
          ALUMINIUM
          CAST BRASS
          110 - 220 0.06 - 0.30 0.10 - 0.35 0.20 - 0.50 0.30 - 0.50
          <p id="ptfrh"></p>
          <address id="ptfrh"><address id="ptfrh"><nobr id="ptfrh"></nobr></address></address>

            <noframes id="ptfrh">

            <address id="ptfrh"><address id="ptfrh"><menuitem id="ptfrh"></menuitem></address></address>

                  Mobile phone

                  city

                  constellation

                  image

                  Mobile Games

                  fashion

                  video

                  education

                  culture