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High accuracy and clamping force are provided with thrust ball bearings. MEGA ER Nut is ideal for solid carbide drills and reamers.

MEGA ER Solid Nut

MEGA ER Solid Nut is a high-performance nut with surface treatment for friction reduction.

MEGA ER Perfect Seal Nut

MEGA ER Perfect Seal Nut is a sealed collet nut for coolant-through tools to be used with MEGA ER Collet chucks.

ER Nuts

ER nuts are basic nuts with surface treatment for friction reduction. They have slots on the outside diameter and use a spanner wrench for nut tightening.

MEGA ER COLLET

MEGA ER collets are inspected twice (0º and 180º) at 4 times diameter to guarantee the runout accuracy.

Jun 2020

What’s the Difference Between ER Nuts?

When it comes to dialing in an ER system’s performance to match a specific application’s requirements or long life, there are three components to consider: the collet, the body of the holder and the nut.

Categories

Tool Holders

MEGA E Nuts

Vibration at high speeds is eliminated by the slot-free design of MEGA E Nuts, which offers superior balance and concentricity.

MEGA ER GRIP

MEGA ER GRIP Collet Chuck has a high-precision collet, nut, and body; outperforming standard ER systems, improving machining capability and reducing cost.

MEGA Micro Nut

MEGA Micro Nut is a high-precision slot-free nut that effectively prevents vibration and coolant scattering.

MEGA Perfect Seal Nut

The MEGA Perfect Seal Nut features a unique design to increase sealing performance with higher coolant pressure.

MEGA MICRO COOLANT NUT

MEGA MICRO COOLANT NUT is exclusively for MEGA MICRO CHUCK 6S and provides a more efficient coolant supply for micro-cutting tools.

MEGA NEW BABY NUT

MEGA NEW BABY NUT is a high-precision slot-free nut that effectively prevents vibration and coolant scattering.

MEGA Micro Seal Nut

MEGA Micro Seal Nut is sealed for coolant-through cutting tools to be used with MEGA Micro Chucks.

Document

Manual - MEGA ER Grip

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May 2017

BIG DAISHOWA Adds Options to Mega ER Grip Collet Chuck Offering

BIG DAISHOWA’s Mega ER Grip was designed to outperform all standard ER systems in the four most critical areas of tool holder performance: clamping force, concentricity, rigidity and balance at high spindle speeds.