HEIDENHAIN M3 Male, Ruby ball Ø4mm 40MM Length Part Number 352776-04 Stylus T404 01 4,00 0001 T404

Buy online your HEIDENHAIN M3 male ruby ball 4 mm 40 mm length, part number 352776-04 Stylus T404 reference T404 -352776-04 from our US e-store Cnc-shopping USA, specialist in CNC machine-tools spare parts.

This genuine HEIDENHAIN straight stylus is a precision replacement for TS-series touch probes used on CNC machining centers and turning machines. It serves as the contact element for workpiece probing and setup, delivering reliable triggering during part alignment, in-process inspection and measurement routines. The M3 male interface, 4 mm ruby ball and carbide stem combination is a proven configuration for daily shop-floor probing tasks.

Built around a carbide stem 2 mm in diameter with a 40 mm overall length, this stylus provides a good balance between reach and stiffness for common setups. The ruby ball 4 mm offers consistent contact on steel, aluminum and many finished surfaces while maintaining sphericity over time. In Heidenhain TS applications, the ball maintains stable trigger behavior across repeated touch cycles which supports predictable probing repeats during tool offsets and part datums.

The unit mounts via the standard M3 male thread used across numerous HEIDENHAIN TS probes. It is listed for use with TS 150, TS 220, TS 230, TS 248, TS 249, TS 260, TS 440, TS 444, TS 460, TS 630, TS 631, TS 632, TS 640, TS 641, TS 642, TS 649 and TS 740. After any stylus change, the probe should be re-mastered in the machine control to restore accurate calibration values.

For field replacement, technicians typically verify thread seating, check runout at the ball and then perform a quick calibration routine in the probing cycle. The 4 mm ball size is well suited for general workpiece features and provides a practical contact patch without excessive indentation on typical metallic surfaces.

Reference: T404 -352776-04

Alternate reference: HEIDENHAIN T404 ID 352776-04

Manufacturer: HEIDENHAIN

Product type: Straight touch-probe stylus, M3 male

Main function: Replacement contact stylus for HEIDENHAIN TS tactile probes used in CNC workpiece probing

Applications: Workpiece setup, in-process measurement and inspection on CNC machining centers and lathes equipped with TS probes

Key technical data: M3 male thread, ruby ball 4 mm diameter, carbide stem 2 mm diameter, length 40 mm, compatible with TS 150, 2xx, 4xx, 6xx and 740 families

Origin: Made in Germany

Typical lead time: Shipment within 3 days

In maintenance contexts this part is commonly kept as a spare to recover from bent or worn tips that cause probing errors or false triggers. A direct swap with re-calibration brings the machine back online quickly, which reduces downtime during setups and first-article checks. Keeping at least one stocked replacement unit in the toolroom or maintenance crib is a practical way to protect machine uptime.

Every unit is verified by skilled engineers on appropriate CNC test benches or simulators, including visual inspection of the ball, stem and thread seating. Items are packed to protect the ruby sphere and stem during transit and come with a warranty. Many stocked items ship directly from our Florida facility depending on availability.

For urgent breakdowns this item can serve as an emergency spare part to restore probing capability. Cnc-shopping USA supports sourcing for obsolete HEIDENHAIN parts when available and can assist with repair or exchange service options on related probe hardware to keep older installations operational.

Frequently asked questions about T404 -352776-04:

Which HEIDENHAIN probes accept this stylus?
It is specified for use with TS 150, 220, 230, 248, 249, 260, 440, 444, 460, 630, 631, 632, 640, 641, 642, 649 and 740. The M3 male interface matches these TS probe families, followed by a calibration routine in the CNC control.

What are the exact mechanical characteristics?
It features an M3 male thread, a carbide stem 2 mm in diameter, a ruby ball 4 mm in diameter and a 40 mm overall length. This geometry is a proven choice for general-purpose probing on machine tools.

Do I need to re-calibrate after installing this stylus?
Yes, after any stylus replacement the probe must be re-mastered to update offsets and trigger geometry. Run your standard probe calibration cycle before resuming production.

When is a 4 mm ball appropriate?
A 4 mm ruby ball is a common choice for everyday part setup and inspection on steel and aluminum. Use larger balls for rough surfaces and smaller balls for tight-feature access, following your probing strategy.

Can Cnc-shopping USA help with related probe repairs or exchanges?
Yes, our team can support repair service and exchange service for compatible HEIDENHAIN probes where feasible. Contact us with the probe model and condition for options and turnaround details.