Workhorse Extension Rod For Collet Chuck Holder C12-ER11M-100L Straight Shank Cutter Arbor For CNC Lathe And Milling ER11 Fit Heavy Duty 20CrMn Steel Tool Holder With Precision Ground Finish And High Clamping Force One Piece

ER11 straight shank extension rod, one-piece collet holder
✔️ ER11 fit, 100L length, 20CrMn steel body, precision ground

The straight shank extension rod is a precision tool holder that fits ER11 collets, designed for CNC lathes and milling machines to extend reach while maintaining rigid alignment during heavy-duty cutting.

✅ ER11 straight shank compatibility with ER11 collets
✅ Made from 20CrMn steel for durability and long life
✅ Finely ground finish for high clamping force and accuracy
✅ Nuts and screws heat treated for hardness and anti-slip performance
✅ One-piece, heavy-duty design built to withstand demanding CNC work

💡 What is an ER11 straight shank extension rod used for in CNC milling and turning? This handy accessory adds reach while keeping alignment tight on CNC machines. - ER11 compatibility and straight shank design - Extends reach for deep pockets and hard-to-reach setups - Maintains rigid clamping with ER11 collets - Durable steel construction with heat-treated fasteners