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Screw for flexible disk

BMW 600 rear and front axles

Screw for flexible disk Zoom

Screw for flexible disk

€6.50

incl. 19% VAT plus shipping

The Hardy disc bolt B6-04-114 (original BMW) secures the Hardy disc to the flanges of the BMW 600’s drivetrain components and ensures backlash-free torque transmission. During restoration, used bolts should be inspected for corrosion, elongation, and thread damage and, if in doubt, replaced with new bolts of the appropriate strength. Proper installation with the correct torque is crucial to prevent vibrations and loosening during operation.
Technical data
Category
BMW 600 rear and front axles
BMW part number
33213039504
Item number
B6-04-114
Condition
Not specified – on request
Weight
0 kg
In stock

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Philipp Schäper
Philipp Schäper BMW Isetta specialist Question about this item?
In stock Almost all parts available directly from stock
Original parts Original parts from workshop inventory
Specialists The specialists for BMW Isetta, 600 & 700
Worldwide shipping By DHL, UPS or freight forwarder — safely packed
Application

A Hardy disc screw is used for the force- and form-fit mounting of the Hardy disc to flanges on the transmission, propeller shaft, or axle drive, thereby transmitting torque safely and without play.

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Product info
The Hardy disc bolt B6-04-114 (original BMW) secures the Hardy disc to the flanges of the BMW 600’s drivetrain components and ensures backlash-free torque transmission. During restoration, used bolts should be inspected for corrosion, elongation, and thread damage and, if in doubt, replaced with new bolts of the appropriate strength. Proper installation with the correct torque is crucial to prevent vibrations and loosening during operation.

Database ID: 3542 Accessed on: 17.06.2026 22:21 Data state: 22.05.2026 12:33 In stock since: 18.11.2025