Tapping tools: Mega synchro tapping holder

Mega Synchro Tapping Holder

Mega Synchro Tapping Holder compensates for synchronization error during rigid tapping. It improves thread quality and tool life by reducing thrust loads caused by synchronization errors up to 90%. Mega Synchro comes in a wide variation of 41 bodies and 45 tap holders the various combinations of tool and Tap Holder offers ideal projection lengths for any machine.

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mega synchro tapping holder

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Mega Synchro Tapping Holder in action

Unique feature to compensate for synchronization errors!

Improves thread quality and tool life
Absorbs the pitch difference between the tap and spindle when using rigid tapping
Coolant through center capability for all models

41 Bodies and 45 Tap Holders
Body and Tap Holder are fixed with a drive key
Short, middle & long Tap Holders are standardized to cover between No.2 and AU3/4.
Super slim Tap Holder - Dia. 551 with MGT6 model
BIG-Plus® is standard
Superior quality components

A Variety of Mega Synchro Tapping Holder Types

BIG-Plus®
BCV 40/50
MGT6/MGT12/MGT20

BIG-Plus®
BBT 30/40/50
MGT6/MGT12/MGT20

HSK
HSK-A40/A50/A63/A100
MGT6/MGT12/MGT20

Compatible between BIG-Plus® BCV and conventional CV spindle machines.

Compatible between BIG-Plus® BBT and conventional BT spindle machines.

BIG COROMANT CAPTO
C5/C6/C8
MGT6/MGT12/MGT20

KAB Modular Tooling System
KAB4/KAB5
MGT6/MGT12/MGT20

Weldon Shank

MGT6/MGT12/MGT20

Tap Holder
MGT6/MGT12/MGT20

Tap Holders with other standards such as JIS or DIN are available from stock upon request. Please contact us for order information.

Load to Tap

BIG Mega Synchro compensates for synchronization errors with any type of tap. Minimized thrust load to both the tap and workpiece improves thread quality and tap life.

Spiral Tap - AU1/4 - 20 N=1,000RPM

Twisted grooves on a spiral tap cause loading in the reverse direction, similar to an end mill.

Point Tap - AU1/4 - 20 N=1,000RPM

Roll Tap - No.2 - 56 N=3,000RPM

Thrust load is caused in both the forward and reverse
directions with a point tap, while a spiral tap has only
reversal forces. However, BIG Mega Synchro minimizes
thrust loads in both directions.

Thrust load in the forward direction is continuously applied to a roll tap, reaching its peak at the moment when rotation is changed to reverse. BIG Mega Synchro eliminates the load effectively.

Variation in Load Between Machines

Spiral Tapping with Coolant Through Slits

Spiral Tap - AU1/2 - 13 N=500RPM
Synchronization performance, tap load and cycle time will vary between machines. BIG Mega Synchro minimizes the thrust load, even with machine builder A which has the largest thrust load.

Spiral Tap - AU1/2 - 13 N=500RPM
BIG Mega Synchro is capable of supplying coolant through slits to the tap periphery. High pressure coolant up to 1,000 PSI is possible with no effect on the minimized load to the tap.

Comparison of Surface Finish

Spiral Tap - No.10 - 24 Material: 4130
Tapping of exotic materials tends to cause a
compressed burr on the thread surface. BIG Mega
Synchro compensates for synchronization errors and
minimizes cutting load. Fine surface finish of threads is achieved.