ER-Collet with cooling channel holes ER20 | 428EC | < 15µm | Ø 6Application: For mounting straight shank tools in collet chucks DIN 6499. Note: Only nominal size d can be clamped, with cooling channels. In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet. (applicable up to 21 bar)

Flute geometry with special design

B4 - 25 x 16 x 30

Delivered with a built-in screw for shortened taper tools

With ball bearing clamping nut All holders are made of forged steel

Collets sealed for high pressure cooling 120 bar with IC DIN 6499 B (ISO 15488 B) ER-system

vice clamps4 pcs

Standard (over 25mm range)

contact- and hot air shrink units

prevents chip clogging

For mounting straight-shank tools for woodworking in collets

bei Ø 6 – Ø 32 mm = h238

Adaptive interface machine direction (ADINTMS): BMT non-driven turret interface -size BT65A