7.4mm = M7.4 Bridge Reamer or Boiler maker or Rivet Hole or Alignment reamers with Morse Taper Shank HSS x 4.2mm small end dia x 32mm tapered length x 80mm flute length x 156mm overall x 1 MTS
They have taper-lead of 1:10 over 1/3rd of cutting length for heavy duty construction work for rectifying misalligned holes, some sizes have MTS one size larger than usual.In HSS Excellent quality British-made to DIN311
Click on Bridge Reamers Metric to buy all other sizes from 6mm to 40mm
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