Article no.: 303760

Combination face mill adapter Form AD BT 40 short

Brand: GARANT
Shape AD
Machining strategy HPC
Standard DIN 6358
Concentricity ≤ 5
Arbor standard JIS B6339
Arbor standard JIS B6339
Balance quality G at rotational speed G 2.5 at 25,000 rpm
Version BT-DC

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Description

Version:

Taper shank, spigots, and contact surfaces ground on collar. All shanks hard turned (for smooth running!). With Balluffchip bore.

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:

With drive key for face mills with longitudinal slot, e.g. DIN 841.
With drive ring for face mills with crosswise slot DIN 1880 and cutter heads DIN 1830.

Supplied with:

Drive key, face mill drive ring, and lock screw.

Optional extras:

Pull studs (PS) No. 308760 − 308806. Special toggle spanner No. 309840.

Technical Data

Adapter
BT 40 short
Standard
DIN 6358
Arbor standard
JIS B6339; JIS B6339
Shape
AD
Balance quality G at rotational speed
G 2.5 at 25,000 rpm
Concentricity
≤ 5 µm
Machining strategy
HPC
Version
BT-DC
Balluffchip bore
yes
Type of product
Milling cutter spigot

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