Combi shell mill holder BT 30 - 22 - 47

Combi shell mill holder BT 30 - 22 - 47Application: For mounting milling cutters with transverse or longitudinal groove. Delivery: With retaining screw, driving ring and feather key 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

Construction: Hardened steel

With adjustable spray nozzle and shim

Enables reduction to the next smallest insert holder

All collets with outside form DIN 6499 (ISO 15488) can be clamped

- Automatic switch-on when the measuring surface is moved

Only nominal size d can be clamped with sealing plug for internal cooling (applicable up to 21 bar) In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

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

- Wooden box

Rolled thread

System concentricity and repetition accuracy 3 µm (3×D

With Ø8mm dovetail stems

Axial sealed with two O-rings