The Bernardo FL-630/D15 chuck flange is a machine tool accessory for professional use, available from Krollit, an official Bernardo distributor since 2007.
- Flange size: 630/D15
- Diameter: 630 mm
- Taper: 15
- A: 635 mm
- B: 50 mm
- Through bore: 281.5 mm
Who uses the FL-630/D15 chuck flange and for what
Users who own a compatible machine install the FL-630/D15 chuck flange as an original accessory to extend functionalities or replace worn components.
Its place in the Bernardo range
The Bernardo FL-630/D15 chuck flange is part of Bernardo's range of machine tool accessories, 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 in 3-5 business days from Krollit warehouse for spare parts and accessories. Italian-speaking customer support available for technical documentation and compatibility verification with the reference machine. Krollit has been an official distributor since 2007.
Who is the FL-630/D15 chuck flange for
The FL-630/D15 chuck flange is recommended for the following professional profiles:
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Users who own a compatible machine: original accessory to extend the functionalities of the specified machine.
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Workshops with specific setup requirements: component for special machining or increased precision.
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Compatibility with machines of other brands or models: check machine model and specifications before purchase.
Technical specifications
| Flange size |
630/D15 |
| Diameter |
630 mm |
| Taper |
15 |
| A |
635 mm |
| B |
50 mm |
| Through bore |
281.5 mm |
Frequently asked questions
What is the FL 630 - D15 chuck flange used for?
It is a flange for mounting a chuck on metal lathes, with a diameter of Ø 630 mm and a D15 mounting system.
It allows for secure attachment of the chuck to the lathe spindle nose according to FL standards (DIN 55029 external flange mounting). The Ø 630 mm diameter corresponds to the nominal diameter of the compatible chuck.
What is the difference between FL and FLD series?
The FL (Ø flange) has external mounting according to DIN 55029. The FLD has a central drawbar mounting according to DIN 55027 (quicker to disassemble).
This model is FL: for maximum compatibility with the lathe, check the standard of the spindle nose. Most professional Bernardo metal lathes use the FL attachment.
What does D15 mounting indicate?
The D15 (Camlock) code indicates the quick-release system: the number (e.g., D3, D4, D5, D6, D8, D11, D15) identifies the standard size of the mounting.
For correct compatibility, check the mounting 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 exclusively supplies original flanges for Bernardo lathes and compatible DIN standards.
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 disassembling the existing chuck, thoroughly cleaning the lathe spindle nose, applying a light layer 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 point (usually a notch or line); do not force with tools. Krollit provides technical documentation and telephone support for mounting.
