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CAT50 ER40 4.0 DUAL CONTACT COLLET CHUCK TOOL HOLDER $233.90
CAT50 ER40 4.0 DUAL CONTACT COLLET CHUCK TOOL HOLDER
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CAT50 ER40 4.0 DUAL CONTACT COLLET CHUCK TOOL HOLDER
Click to enlarge
CAT50 ER40 4.0 DUAL CONTACT COLLET CHUCK TOOL HOLDER
Click to enlarge
CAT50 ER40 4.0 DUAL CONTACT COLLET CHUCK TOOL HOLDER
Click to enlarge
Item No. CAT50-ER40-4.0D
Price: $233.90
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Product Info

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  • Collet Chuck accepts all ER40 collets
  • Works on all CAT 50 machines with Dual Contact spindles
  • Compatible with BIG-PLUS® spindles
  • Threaded for stop screw type 2 (not included)
  • 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 collet face
  • Collet nut is included
  • Rear thread for pull stud is 1" X 8
  • MariTool Part# is CAT50-ER40-4.0D

*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp. and is used only for identification purposes.
Compatible with BIG-PLUS® spindles, but not licensed.

Product Specifications
Balance Spec:  G2.5 @ 20,000 rpms
Collet Grip Range:  .078-1.1875
Collet Size:  ER40
Concentricity:  < .0001 at Collet Face
Coolant Thru:  Yes
Finish:  Black Oxide
Gage Length:  4.0
Material:  Hardened Alloy Steel
Rear Thread:  1" X 8
Taper:  CAT50 Dual Contact