ER20 10.5mm  - 12.5mm ER Spring Collet American Standard Tongue & Groove - Round Jaws Chuck Size 18" inches 8594 *Diameter: 55/64 *Material: O-1

8594 *Diameter: 55/64 *Material: O-1 *Weight Per Piece: 5

209 Length: 37

002 *Base Width: 6

Item #: TA15TC54382

95mm *Type: Steel Feeler Gage Pack *Width: 12

ER20 10.5mm  - 12.5mm ER Spring Collet American Standard Tongue & Groove - Round Jaws Chuck Size 18" inches 8594 *Diameter: 55/64 *Material: O-1Item #: GM704220125MM Manufacturer: Techniks Mfg #: Technical Specifications: *Brand Name: Techniks *Collet Style Fits: ER20 *ID: 12. 5mm *Type: ER Style Collet Description: *ER Spring Collets are the only Clamping Collet System for combined milling, drill, reaming, tapping and boring *ER Collets concentricity guaranteed to . 0004" *Wide holding range of each collet requies fewer collets and changes guarantees that undersize cutting tools can be held