ER synchro insert STA
The STA (Synchro Tapping Adaptor) synchro insert was specially developed for ER collet holding fixtures and allows tapping and forming on machines with synchronised spindles.

• For ER collet holding fixtures and powered tools
• Compensation for synchronisation errors
• Minimal length compensation under compression and tension
• Minimal strain on the thread flanks
• Compact design
• Internal coolant supply suitable up to 50 bar
• Suitable for left-hand and right-hand thread
• Only used standard clamping nuts in accordance with SO15488 (DIN6499)
• Not for sealed nuts or mini nuts

Synchro tool head STH

• Use for STL synchro tool fixture
• Length compensation: +0.5 mm / -0.2 mm

ER synchro insert STA
The STA (Synchro Tapping Adaptor) synchro insert was specially developed for ER collet holding fixtures and allows tapping and forming on machines with synchronised spindles.

• For ER collet holding fixtures and powered tools
• Compensation for synchronisation errors
• Minimal length compensation under compression and tension
• Minimal strain on the thread flanks
• Compact design
• Internal coolant supply suitable up to 50 bar
• Suitable for left-hand and right-hand thread
• Only used standard clamping nuts in accordance with SO15488 (DIN6499)
• Not for sealed nuts or mini nuts

Synchro tool head STH

• Use for STL synchro tool fixture
• Length compensation: +0.5 mm / -0.2 mm