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CAT40 M12 Tapered Nose Dual Contact Threaded Body Modular Tool Holder 4.0" $164.95
CAT40 M12 Tapered Nose Dual Contact Threaded Body Modular Tool Holder 4.0"
Click to enlarge

CAT40 M12 Tapered Nose Dual Contact Threaded Body Modular Tool Holder 4.0"
Click to enlarge 		CAT40 M12 Tapered Nose Dual Contact Threaded Body Modular Tool Holder 4.0"
Click to enlarge
CAT40 M12 Tapered Nose Dual Contact Threaded Body Modular Tool Holder 4.0"
Click to enlarge
Item No. CAT40-TB12-4.0DT
Price: $164.95
Shipping: In Stock - Ships Same Day *
Quantity: 

* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.
Available Downloads for CAT40-TB12-4.0DT
STP file  PDF file  DXF file  DWG file 
Product Info

View complete catalog page

  • This tool holder accepts all 12mm threaded screw-in indexable cutters
  • Cutters are often called Modular tooling, Screw in, or Threaded Shank Cutters
  • Click here for list of cutters and terminology used by different manufacturers
  • Ground pilot diameter is 12.5mm X 9mm deep, internal thread is M12 X 1.75 X 25mm deep
  • Nose diameter is .95 Inches
  • Tool holder works on all CAT40 machines with Dual Contact spindles
  • Compatible with BIG-PLUS® spindles
  • All critical tool holder surfaces precision ground
  • Made from alloy steel hardened to 54 - 56rc
  • Balanced to G2.5 at 20,000 rpms
  • Gage length is 4.0 inches
  • Concentricity is less than .0001 at pilot bore
  • Coolant thru capability
  • Rear thread for pull stud is 5/8-11
  • View CAT40 Pull Studs
  • MariTool Part# is CAT40-TB12-4.0DT

*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.
Product Specifications
Balance Spec:  G2.5 @ 20,000 rpms
Concentricity:  < .0001 at Pilot Bore
Coolant Thru:  Yes
Finish:  Black Oxide
Gage Length:  4.0
Material:  Hardened Alloy Steel
Modular Interface Size:  M12
Rear Thread:  5/8-11
Taper:  CAT40 DUAL CONTACT