SHARK TOOLS STER4040013 ER40 CAT 40, 14 Piece Collet Chuck Holder Set

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Item #
  • Brand: SHARK TOOLS
  • Collet Series: ER
  • Collet Type: ER40
  • Taper: CAT 40
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MSRP: $526.73 /kit
Product Specifications
More Information
Model # STER4040013
Collet Type ER40
Type ER Collet Chuck & Collet Package
Collet Series ER
Taper CAT 40
Collet Range 1/8" to 1" by 32nds
No. of Collets in Set 13
No. of Pieces in Set 14
Includes (1) ER Collet Chucks, (13) ER Collets
Collet Size ER40
Prop. 65 Yes
Weight 12.2 lbs.
Country of Origin IMPORT

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Employ Shark Tools Premium Balanced ER Collet Chuck Milling Packages for Versatile Applications. Shark Tools offers a range of heavy-duty machine tool accessories equipped with features that ensure maximum gripping force and accuracy. The ER collet chuck milling packages collated by Shark Tools comprise tool parts that can make your machining applications effortlessly accurate. You can rely on them to enhance productivity on the shop floors. The packages include a stop screw and a balancing certificate. These premium balanced ER collet chuck packages include ER collet chucks well-balanced to G6.3 15,000 RPM to help you save spindle bearing life. These heat-treated collet chucks provide a 56 to 60 HRC hardness. They further come with a taper-to-taper runout of <0.0002 inches and offer AD coolant thru the spindle, enhancing performance. The taper shank is ground to AT3 accuracy or more. Moreover, the taper is manufactured, conforming to ANSI B5.50 / ISO 7388 specifications. Also, CAT 40 Drawbar thread size is 5/8"-11. Shark Tools offer collet chucks in ER16, ER20, ER25, ER32, and ER40 sizes with projections of 2.75, 3, and 4 inches. The number of pieces in each package is 10, 12, 16, 13, or 18 with a hex or round nut type. Also, a true double angle is provided for extreme concentricity. Moreover, the chucks offer a total indicated runout (TIR) of 0.0002 inches. The standard clamping range is 0.039 inches, but for the 1/16-inch models, it is 0.02 inches. All collets are thoroughly inspected for their quality and accuracy at every production stage, and therefore, they do not fail you at your machining endeavors. Further, they are compatible with BR, DR, RD, ESX, and AR-series collets.
Balanced to G6.3 15,000 RPM to save spindle bearing life


Collet Chucks
  • Taper-to-taper runout <0.0002".
  • AD coolant thru the spindle.
  • Hardened to 56-60 HRC.
  • Taper shank ground to AT3 accuracy (or better).
  • Taper manufactured in accordance with ANSI B5.50 / ISO 7388 specifications.
  • CAT 40 Draw bar threads: 5/8"-11
  • T.I.R.: 0.0002"
  • True double angle for extreme concentricity.
  • Clamping range: .039" (except 1/16" is 0.02")
  • Compatible with DR, RD, ESX, AR, & BR series collets.
  • All collets inspected for quality and accuracy.


(1) ER Collet Chucks, (13) ER Collets


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