Combination face mill adapter Form AD, BT 40 short, Spigot ⌀ d1: 16mm

Article no.: 303760 16
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Spigot ⌀ d1 (mm) Unit price incl. VAT

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  • 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

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Product details

Technical Data

Spigot ⌀ d1 16 mm
Clamping ⌀ D1 16 mm
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
Overhang dimension A 55 mm
a 1 mm
External ⌀ D 32 mm
Spare milling cutter lock screw No. 309860 / 309861 16
Spare drive ring No. 309870 16
Suitable toggle spanner No. 309840 16
Balluffchip bore yes
Type of product Milling cutter spigot

Identification & Classification

Article number 303760 16
EAN / GTIN 4062406250560
Manufacturer number 303760 16
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Description

Version:

Taper shank, spigots, and contact surfaces ground on collar. All shanks hard turned (for smooth running!). With RFID/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. 308760308806. Special toggle spanner No. 309840.

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