Optimize your work in many ways:

Pioneer has updated our collet offering to meet the high demands of precision cutting tools and high performance applications.

Options

Standard 10 Microns @ 2D (0.0004” @ 2D)

Stainless UP - Precision 5 Microns @ 3D (0.0002” @ 3D), Stainless

Note: Sizes under 3mm are Alloy with Anti-Rust Coating

Stainless UPP - Ultra Precision 3 Microns @ 3D (0.0001” @ 3D), Stainless

Note: Sizes under 3mm are Alloy with Anti-Rust Coating

Shrink ER - 0.0001" TIR - Made from ISO-40CrMoV5 (H13)

Note: Additional sizes coming soon!

Sealed ER - Sealed by Design, 1,500 PSI

Tap ER - ANSI and DIN available

Note: Due to extreme cost increase by supplier GERC inch collets will be discontinued April 2019 and GERC-HP on demand fob Germany.

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Stainless Steel ER Ultra Precision Collets

Pioneer Stainless Steel Collets are only available in a 5 micron (0.0002”) TIR @ 3D.

The picture above is a standard ER collet and a Stainless Steel Collet that were submerged in Chicago tap water for 3 months. The stainless collet showed no corrosion anywhere compared to the standard collet.

420 Stainless is a 12% Chromium high carbon material which provides high hardenability and superior corrosion resistance. 420 Stainless allows us to harden the collets to Rc45, similar hardness as most standard ER collets in the market today.

Available in ER11-ER32 in select sizes.

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