Home » Cat 40 CNC Tooling   Cat 40 1" Shell Mill Tool Holder Cat 40 1" shell mill holder. Price: $42.00 Cat 40 1-1/4" Shell Mill Tool Holder Cat 40 1-1/4" shell mill tool holder. Price: $42.00 Cat 40 CNC End Mill Tool Holders Cat 40 CNC End Mill Tool Holders. Each packed in individual plastic tubes. Rated to 7000 rpm Cat 40 End Mill Holder Size: 7/16"x2-1/2 1/4"x2-1/2 3/8"x2-1/2 5/16"x2-1/2 5/8"x2-1/2 3/4"x3-3/4 (+$5.00) 7/8"x4 (+$6.00) 1"x4 (+$8.00) 1-1/4"x4-1/8 (+$8.00) 1/2"x2-1/2 9/16" x 2-1/2 3/16"x2-1/2 Price: $42.00 1 of 4 Cat 40 CNC ER Collet Chuck Tool Holders Cat 40 CNC ER Collet chucks. Click on configure to select sizes: Choice of ER16, ER20, ER25, ER32, ER40 Price: $60.00 Cat 40 CNC Tightening Fixture Cat 40 cnc holder tightening fixture. Very nicely made. Price: $49.99 Cat 40 Keyless Drill Chuck Cat 40 Taper Arbor with Choice of 5/16",3/8",1/2", 5/8"(pictured) or 3/4" keyless drill chuck. The 5/8" and 3/4" come with J3 Arbors the others come with J33 Arbors. chuck size: 1/64-5/16" 0-3/8" 1/32"-1/2 1/32"-5/8" 3/16"-3/4" (+$5.00) Price: $67.00 1 of 2 ER 40 Collet Set cat 40 -23pc New 23 pc set of ER40 spring collets. Sizes are 1/8, 3/16, 7/32, 1/4, 5/16, 11/32, 3/8, 13/32, 7/16, 1/2, 17/32, 9/16, 5/8, 21/32, 11/16, 3/4, 25/32, 13/16, 27/32, 7/8, 15/16, 31/32, 1" with cat 40 taper collet chuck and spanner. *BOX NOT INCLUDED* Price: $180.00