PART OF CATALOG
Shell mill holder SK 50 – 40 – 160
Application:
For mounting milling cutters with transversal groove.
Note:
d = 40/d = 60: For large diameter face mill cutters with four additional threaded holes according to DIN 2079.
SK 30 without coolant exit bores on the end face
Delivery:
With drivers, cross head retaining screw and cylinder head retaining screw for cutters with central coolant. For d = 60 only with four fi xation screws according to DIN 912.
- 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 µm
- Tensile strength in the core of min. 800 N/mm? after DIN
- All functional surfaces fine machined
Milling Chuck SK 40 – 20 – 90
Application:
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 µm
- Tensile strength in the core of min. 800 N/mm? after DIN
- All functional surfaces fine machined
ER-Precision collet ER8 | 4004EP | < 5µm | O 3,0 - 2,5
Pull studs ISO 7388-3 | Form UD | M16 | with drill through | incl. O-ring
ER-Precision collet chuck SK 50 – 2/20 – 150 | ER 32
Application:
For mounting straight-shank tools in 2 µm-collets.
Advantage:
- Excellent concentricity in the system (chuck + collet + clamping nut)
- 3 µm radial run-out with a 2 µm clamping nut, 6 µm radial run-out with a 5 µm clamping nut
- Extremely strong holding force (increases the holding power by at least 60% compared to standard ER chuck)
- Plain clamping nut without grooves for high speed machining

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