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Article no.: 303740

ER collet chuck Form AD BT 50 short

Brand: GARANT
Concentricity ≤ 3
Arbor standard JIS B6339
Arbor standard JIS B6339
Balance quality G at rotational speed G 2.5 at 25,000 rpm
Machining strategy HSC
Shape AD
Version BT-DC

All product information:

on request
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€125.35
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Description

Version:

Taper ground internally and externally. All shanks hard turned (for smooth running!). With Balluffchip bore.
  • High-quality precision clamping nut.
  • Clamping nut balanced for HSM (G2.5/25,000 rpm).
  • Optimum wear characteristics and torque transmission due to the coated precision clamping nut.

Advantage:

The double contact between the taper and the flat flange creates a more stable and precise clamping situation:
  • Better surface quality
  • Longer tool life times
  • Consistent seating in the headstock (even at high speeds)
  • Smaller radial run-out
A BT double contact arbor can also be used in a standard BT machine spindle – and vice versa. The advantages of the double contact are however achieved only when a double contact arbor and double contact spindle are used together.

Application:

For clamping tools with parallel shank in collets to DIN 6499 Form A and B.

Supplied with:

ER clamping nut.

Optional extras:

ER collets No. 308881 − 309434, ER chuck keys No. 309680 – 309720 or 613300.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.

Note:

Matching clamping nut No. 309580 or 309610.

Technical Data

Adapter
BT 50 short
Arbor standard
JIS B6339; JIS B6339
Shape
AD
Balance quality G at rotational speed
G 2.5 at 25,000 rpm
Concentricity
≤ 3 µm
Machining strategy
HSC
Version
BT-DC
Balluffchip bore
yes
Type of product
Collet chuck

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