Mega S
Mega Micro Chuck
For Micro Drills and End Mills

A slim nut and taper design prevents interference in applications with micro drills and end mills. Mega Micro Chuck's original design of a notch free nut prevents vibration and noise and offers superior balance and concentricity. This ideal nut design not only eliminates whistling noise and coolant splattering, but also assures increased strength of the nut itself.

The clamping range has been expanded to an 8mm capacity and a sealed nut for directed coolant delivary has been made available (6S and 8S body sizes only).

Mega S









Super Slim Design

  • For micro drills and end mill applications

  • High precision and a super slim design for the highest rigidity
     
  • Taper type suitable for micro end milling


  • Smallest diameter .394" nut prevents inference with workpieces and jigs

  • Available in BIG-PLUS® (CAT/BT), HSK, BIG CAPTO and Staight Shank

  • New 8S size and sealed nut




A Variety of Mega Micro Chucks




BIG-PLUS® CAT Shank
BCV40
Max 40,000 RPM

Clamping Range Dia.: .018"-.317"
Gauge Length
: 2.50"-6.00"




BIG-PLUS® BT Shank
BBT30/40
Max 40,000 RPM

Clamping Range Dia.: .018"-.317"
Gauge Length
: 1.77"-5.31"





BIG CAPTO C5, C6

Clamping Range Dia.: .45mm-6.05mm
Gauge Length: 105mm-120mm




HSK Type T–Form A
A40, A50, A63
Max 35,000 RPM

Clamping Range Dia.: .018"-.317"
Gauge Length: 2.36"-5.31"




HSK Type S–Form A
A40, A50, A63
Max 30,000 RPM

Clamping Range Dia.: .018"-.317"
Gauge Length: 2.36"-4.13"





HSK Type T–Form E
E25, E32, E40, E50
Max 40,000 RPM


Clamping Range Dia.: .018"-.317"
Gauge Length: 1.77"-3.54"





HSK Type S–Form E
E25, E32, E40, E50
Max 40,000 RPM

Clamping Range Dia.: .018"-.238"
Gauge Length: 1.38"-3.15"




HSK Form F
F63
Max 32,000 RPM

Clamping Range Dia.: .018"-.238"
Gauge Length: 2.95"-4.13"




Straight Shank
ST.375, ST.500, ST.625

Clamping Range Dia.: .018"-.317"
Gauge Length
: 4.724"-7.874"



Original Design of Notch-free Nut Prevents Vibration and Noise
 

Vibration at high speeds is eliminated by a notch-free nut which offers superior balance and concentricity. This ideal nut design not only eliminates whistling noise and coolant splattering, but also assures increased strength of the nut itself.
 

 

A Variety of Interfaces for High Speed Machining
 


 

Easy and Firm Clamping with the Mega Wrench


The Mega Wrench has a uniquely designed one way clutch
system with a roller bearing and ratchet function and is capable of safely and evenly applying force on the entire nut periphery.

Mega Micro Collet
 

Compact in size, but excellent clamping force for precision small applications. Wide coverage (dia..018"-.317") is available.

World's smallest interval of clamping:

Mega Micro Collet: Micro Drills & End Mills
Clamping intervals: ø.004"
Collet class: AA
Runout: 1 µm at nose

 

Mega Micro Perfect Seal Nut
(For 6S and 8S Bodies Only)
 

 

Max Coolant Pressure 1,000PSI
 


Through Tools - with PS Ring

 

Jet Through - without PS Ring

Suitable for eliminating dust and contaminants. The unique design of the Perfect Seal increases sealing performance with higher coolant pressure. Remove the PS Ring to supply coolant to the cutting tool periphery.

 

PS Ring - Replaceable seal used
in Mega Micro Perfect Seal Nut


Spare seal is recommended when coolant leaks due to damage of PS Ring.