Test arbor SK 40 - 40 - 300Application: For the inspection of machine tools according to ISO recommendation R230 or for testing the tool spindle. Delivery with test certificate 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

For the storage of collets

low warpage hardened

Setting ring not included in delivery - optionally available

Quick change adaptors without safety clutch can be interchanged

Bearing edge ground

Minimum internal diameter measurement capability of:

accuracy: 0

For holding tool holders with polygonal shank ISO 26623-1

All collets with outside form DIN 6388 (ISO 10897) can be clamped

- Longer-lived than standard collets

right angularity: 0

reading parts brushed chromium-plated