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Bison 7-875-053 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Image
Availability: Direct Supplier Stock
Item #: 8609489-MS -

7-875-053 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks

Retail: $434.66
Price: $421.62

    Bison 7-875-053 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 4.92" OD, 1.378"...

    Bison 7-875-053 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 4.92" OD, 1.378" Through-Hole Dia, 1.02" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

    Bison 7-875-054 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Image
    Availability: Direct Supplier Stock
    Item #: 8609497-MS -

    7-875-054 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks

    Retail: $444.00
    Price: $430.68

      Bison 7-875-054 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 4.92" OD, 1.378"...

      Bison 7-875-054 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 4.92" OD, 1.378" Through-Hole Dia, 0.99" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

      Bison 7-875-063 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Image
      Availability: Direct Supplier Stock
      Item #: 8609505-MS -

      7-875-063 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks

      Retail: $531.48
      Price: $515.54

        Bison 7-875-063 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 6.3" OD, 1.654"...

        Bison 7-875-063 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 6.3" OD, 1.654" Through-Hole Dia, 1.18" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

        Bison 7-875-064 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Image
        Availability: Direct Supplier Stock
        Item #: 8609513-MS -

        7-875-064 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks

        Retail: $531.48
        Price: $515.54

          Bison 7-875-064 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 6.3" OD, 1.654"...

          Bison 7-875-064 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 6.3" OD, 1.654" Through-Hole Dia, 1.18" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

          Bison 7-875-065 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Image
          Availability: Direct Supplier Stock
          Item #: 8609521-MS -

          7-875-065 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks

          Retail: $531.48
          Price: $515.54

            Bison 7-875-065 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 6.3" OD, 1.654"...

            Bison 7-875-065 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 6.3" OD, 1.654" Through-Hole Dia, 1.18" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

            Bison 7-875-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Image
            Availability: Direct Supplier Stock
            Item #: 8609539-MS -

            7-875-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks

            Retail: $563.41
            Price: $546.51

              Bison 7-875-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 7.87" OD, 2.024"...

              Bison 7-875-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 7.87" OD, 2.024" Through-Hole Dia, 0.63" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

              Bison 7-875-084 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Image
              Availability: Direct Supplier Stock
              Item #: 8609547-MS -

              7-875-084 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks

              Retail: $563.41
              Price: $546.51

                Bison 7-875-084 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 7.87" OD, 2.165"...

                Bison 7-875-084 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-4 Mount, 7.87" OD, 2.165" Through-Hole Dia, 0.63" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                Bison 7-875-085 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Image
                Availability: Direct Supplier Stock
                Item #: 8609554-MS -

                7-875-085 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks

                Retail: $609.76
                Price: $591.47

                  Bison 7-875-085 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 7.87" OD, 2.165"...

                  Bison 7-875-085 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 7.87" OD, 2.165" Through-Hole Dia, 1.18" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                  Bison 7-875-086 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Image
                  Availability: Direct Supplier Stock
                  Item #: 8609562-MS -

                  7-875-086 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks

                  Retail: $609.76
                  Price: $591.47

                    Bison 7-875-086 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 7.87" OD, 2.165"...

                    Bison 7-875-086 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 7.87" OD, 2.165" Through-Hole Dia, 1.34" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                    Bison 7-875-105 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Image
                    Availability: Direct Supplier Stock
                    Item #: 8609570-MS -

                    7-875-105 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks

                    Retail: $764.26
                    Price: $741.33

                      Bison 7-875-105 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 9.84" OD, 3.13"...

                      Bison 7-875-105 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-5 Mount, 9.84" OD, 3.13" Through-Hole Dia, 3/4" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                      Bison 7-875-106 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Image
                      Availability: Direct Supplier Stock
                      Item #: 8609588-MS -

                      7-875-106 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks

                      Retail: $764.26
                      Price: $741.33

                        Bison 7-875-106 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 9.84" OD, 2.922"...

                        Bison 7-875-106 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 9.84" OD, 2.922" Through-Hole Dia, 1.34" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                        Bison 7-875-108 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Image
                        Availability: Direct Supplier Stock
                        Item #: 8609596-MS -

                        7-875-108 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks

                        Retail: $764.26
                        Price: $741.33

                          Bison 7-875-108 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 9.84" OD, 2.992"...

                          Bison 7-875-108 Lathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 10" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 9.84" OD, 2.992" Through-Hole Dia, 1.61" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                          Bison 7-875-126 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Image
                          Availability: Direct Supplier Stock
                          Item #: 8609604-MS -

                          7-875-126 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks

                          Retail: $955.84
                          Price: $927.16

                            Bison 7-875-126 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 12.4" OD, 4.055"...

                            Bison 7-875-126 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 12.4" OD, 4.055" Through-Hole Dia, 3/4" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                            Bison 7-875-128 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Image
                            Availability: Direct Supplier Stock
                            Item #: 8609612-MS -

                            7-875-128 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks

                            Retail: $975.00
                            Price: $945.75

                              Bison 7-875-128 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 12.4" OD, 4.055"...

                              Bison 7-875-128 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 12.4" OD, 4.055" Through-Hole Dia, 1.49" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                              Bison 7-875-129 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Image
                              Availability: Direct Supplier Stock
                              Item #: 60234838-MS -

                              7-875-129 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks

                              Retail: $955.84
                              Price: $927.16

                                Bison 7-875-129 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-11 Mount, 12.4" OD, 4.055"...

                                Bison 7-875-129 Lathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 12" Chuck, for Self-Centering Chucks Series D, D1-11 Mount, 12.4" OD, 4.055" Through-Hole Dia, 1.77" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                Bison 7-875-166 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Image
                                Availability: Direct Supplier Stock
                                Item #: 8609620-MS -

                                7-875-166 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks

                                Retail: $1,042.36
                                Price: $1,011.09

                                  Bison 7-875-166 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 11-3/4" OD, 4.055"...

                                  Bison 7-875-166 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-6 Mount, 11-3/4" OD, 4.055" Through-Hole Dia, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                  Bison 7-875-168 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Image
                                  Availability: Direct Supplier Stock
                                  Item #: 8609638-MS -

                                  7-875-168 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks

                                  Retail: $1,042.36
                                  Price: $1,011.09

                                    Bison 7-875-168 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 11-3/4" OD, 5.358"...

                                    Bison 7-875-168 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-8 Mount, 11-3/4" OD, 5.358" Through-Hole Dia, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                    Bison 7-875-169 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Image
                                    Availability: Direct Supplier Stock
                                    Item #: 8609646-MS -

                                    7-875-169 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks

                                    Retail: $1,063.00
                                    Price: $1,031.11

                                      Bison 7-875-169 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-11 Mount, 11-3/4" OD, 5.358"...

                                      Bison 7-875-169 Lathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 16" Chuck, for Self-Centering Chucks Series D, D1-11 Mount, 11-3/4" OD, 5.358" Through-Hole Dia, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                      Bison 7-876-042 Lathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering Chucks Image
                                      Availability: Direct Supplier Stock
                                      Item #: 8610933-MS -

                                      7-876-042 Lathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering Chucks

                                      Retail: $258.53
                                      Price: $250.77

                                        Bison 7-876-042 Lathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 4" OD, 1.515"...

                                        Bison 7-876-042 Lathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 4" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 4" OD, 1.515" Through-Hole Dia, 0.51" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                        Bison 7-876-052 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Image
                                        Availability: Direct Supplier Stock
                                        Item #: 8610958-MS -

                                        7-876-052 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks

                                        Retail: $176.13
                                        Price: $170.85

                                          Bison 7-876-052 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 5" OD, 1.515"...

                                          Bison 7-876-052 Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 5" OD, 1.515" Through-Hole Dia, 0.51" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                          Bison 7-876-062 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Image
                                          Availability: Direct Supplier Stock
                                          Item #: 8610966-MS -

                                          7-876-062 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks

                                          Retail: $215.27
                                          Price: $208.81

                                            Bison 7-876-062 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 6-1/4" OD, 1.515"...

                                            Bison 7-876-062 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Threaded, A1/A2-8 Mount, 6-1/4" OD, 1.515" Through-Hole Dia, 0.59" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                            Bison 7-876-066 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Image
                                            Availability: Direct Supplier Stock
                                            Item #: 8610974-MS -

                                            7-876-066 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks

                                            Retail: $203.00
                                            Price: $196.91

                                              Bison 7-876-066 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Threaded, 6-1/4" OD, 2.26" Through-Hole Dia,...

                                              Bison 7-876-066 Lathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 6" Chuck, for Self-Centering Chucks Threaded, 6-1/4" OD, 2.26" Through-Hole Dia, 0.59" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                              Bison 7-876-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Image
                                              Availability: Direct Supplier Stock
                                              Item #: 8610990-MS -

                                              7-876-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks

                                              Retail: $238.96
                                              Price: $231.79

                                                Bison 7-876-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Threaded, 8" OD, 2.26" Through-Hole Dia, 0.59"...

                                                Bison 7-876-083 Lathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 8" Chuck, for Self-Centering Chucks Threaded, 8" OD, 2.26" Through-Hole Dia, 0.59" Flange Height, Steel (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!

                                                Bison 7-878-053F Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Image
                                                Availability: Direct Supplier Stock
                                                Item #: 30651517-MS -

                                                7-878-053F Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks

                                                Retail: $323.42
                                                Price: $313.72

                                                  Bison 7-878-053F Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 4.9213" OD, 2.0236"...

                                                  Bison 7-878-053F Lathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering ChucksLathe Chuck Adapter Back Plate: 5" Chuck, for Self-Centering Chucks Series D, D1-3 Mount, 4.9213" OD, 2.0236" Through-Hole Dia, 0.1378" Flange Height, Cast Iron (MOQ=1, Pkg Qty=1)Not Cancelable or Returnable!