- 1-13mm 1/2" Keyless Drill Chuck, Quick Release Conversion Tool Adapter with Drill Chuck MT2-B16 Arbor for Drill MachinesSpecial Price £39.95 £47.94Magdrill Twist Drill Adaptor (choose size 6mm - 12mm)Special Price £19.95 £23.94Weldon Shank Twist Drill Chuck Adaptor 1/2"Special Price £24.35 £29.221/2" Keyed ChuckSpecial Price £10.32 £12.38Rotabroach Twist Drill Adaptor 6mm DiameterSpecial Price £27.92 £33.50Rotabroach Twist Drill Adaptor 8mm DiameterSpecial Price £27.92 £33.50Rotabroach Twist Drill Adaptor 10mm DiameterSpecial Price £27.92 £33.50Rotabroach Twist Drill Adaptor 12mm DiameterSpecial Price £27.92 £33.50