The Bernardo FLD-315/D6 chuck flange is a professional machine tool accessory available on Krollit, an official Bernardo distributor since 2007.
- Flange size: 315/D6
- Diameter: 315 mm
- Taper: 6
- A: 315 mm
- B: 39.5 mm
- Passage: 103 mm
Who uses the FLD-315/D6 chuck flange and what for
Users who own a compatible machine install the FLD-315/D6 chuck flange as an original accessory to extend functionalities or replace worn components.
Its place in the Bernardo range
The Bernardo FLD-315/D6 chuck flange is part of the Bernardo machine tool accessories range, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performances: to choose the right machine for your use case, you can consult the Bernardo catalog on Krollit or contact customer support for selection assistance.
Krollit logistics and support
Shipping 3-5 business days from Krollit warehouse for spare parts and accessories. Customer support in Italian available for technical documentation and compatibility verification with the reference machine. Krollit has been an official distributor since 2007.
Who is the FLD-315/D6 chuck flange for?
The FLD-315/D6 chuck flange is recommended for the following professional profiles:
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Users who own a compatible machine: original accessory to extend the functionality of the specified machine.
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Workshops with specific setup requirements: component for particular machining operations or increased precision.
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Compatibility with machines of other brands or models: verify machine model and specifications before purchase.
Technical specifications
| Flange dimensions |
315/D6 |
| Diameter |
315 mm |
| Taper |
6 |
| A |
315 mm |
| B |
39.5 mm |
| Passage |
103 mm |
Frequently asked questions
What is the FLD 315 - D6 chuck flange used for?
It is a flange for mounting the chuck on metal lathes, with a diameter of Ø 315 mm and D6 camlock.
It allows for secure attachment of the chuck to the lathe spindle nose according to FLD standards (DIN 55027 camlock with central pull stud). The Ø 315 mm diameter corresponds to the nominal diameter of the compatible chuck.
What is the difference between FL and FLD series?
The FL (Ø flanges) has an external camlock according to DIN 55029. The FLD has a central pull stud camlock according to DIN 55027 (quicker to disassemble).
This model is FLD: for maximum compatibility with the lathe, check the standard of the chuck's nose. Most professional Bernardo metal lathes use the FLD attachment.
What does the D6 camlock indicate?
The D6 (Camlock) code indicates the quick-release system: the number (e.g., D3, D4, D5, D6, D8, D11, D15) identifies the standard size of the camlock.
For correct compatibility, check the camlock of your lathe: D3-D5 for small/medium lathes, D6-D8 for medium-large lathes, D11-D15 for heavy industrial lathes.
Is it an original Bernardo spare part?
Yes, Krollit has been an official Bernardo distributor since 2007 and only supplies original flanges for Bernardo lathes and DIN compatible ones.
Original flanges comply with the machining tolerances required by the DIN standard to ensure chuck concentricity and balance. Do not use non-original flanges for precision machining.
How is the flange mounted on the lathe?
Mounting requires dismounting the existing chuck, thorough cleaning of the lathe spindle nose, applying a light coat of oil, and tightening with the torque indicated in the manual.
For lathes with a Camlock system (DLD), the cams should be closed by hand until the reference mark (usually a notch or line); do not force with tools. Krollit provides technical documentation and phone support for mounting.
