ER-Precision collet chuck BT 50 - 2/20 - 70 | ER 32Application: For mounting straight shank tools in 2 m collets. Advantage: Excellent concentricity in the system (chuck + collet + clamping nut) 3 m radial run out with a 2 m clamping nut, 6 m radial run out with a 5 m 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

- mobility allows measuring within machines and fixtures

Delivery: without inserts

For d = 60 only with four fi xation screws according to DIN 912

nuts and plain washers

4 and 5 mm only solid carbide tool shanks must be used

Plain clamping nut without grooves for high speed machining

T-nuts 18 mmTest certificate

Non-rotating spindle

- Maximum concentricity <0

The chucking diameter is configured for a tool tolerance of h6

5V Battery

For mounting straight-shank tools