Milling Chuck BT 40 - 25 - 90Application: For mounting straight shank tools. All holders are made of forged steel Specific, low warpage hardened Surface hardened HRC 58~60 Hardening depth 0,8mm~0,9mm Taper angle tolerance < AT 3 according to DIN 2080 Surface roughness Ra < 0,4 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

Surface roughness Ra < 0

ISO-Metric Thread

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance2

without a tool

From DCONWS = 25 on two clamping screws

Clamping force preadjustable by graduation lines

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

For longitudinal and plane turning

- Longer-lived than standard collets

vice clamps

• runout accuracy: = 0

Measuring surfaces are carbide