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ER Collet adapters enable the use of BIG KAISER boring heads in ER collet chucks for driven-tool applications in turning centers.

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

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

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.

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

AC Collets are tool projection adjustable straight collets to be used without a coolant supply.

MEGA ER Solid Nuts are high-performance nuts with surface treatment for friction reduction.

MEGA ER Perfect Seal Nuts are sealed collet nuts for coolant-through tools to be used with MEGA ER Collet chucks.

C Collets are reduction sleeves for clamping smaller diameter cylindrical tool shanks. Used in Hi-Power Milling Chucks and MEGA Double Power Milling Chucks.

Collet chuck taper cleaners from BIG DAISHOWA simplify the cleaning process—ensuring hassle-free maintenance.

MEGA E COLLET includes a shallow taper and extended clamping length, which enhances the clamping and self-centering forces for stable performance.

OCA Collets allow for coolant through the cutting tool. They can be used with MEGA Double Power Chucks (MEGA-D) and New Hi-Power Milling Chucks (HMC).

Collet Ejectors can quickly and easily insert/remove small sizes of New Baby Collets from MEGA Nuts & New Baby Nuts.

CA Collets are exclusively designed for fixed 90º small-bore Angle Heads.

FONBC Coolant Collets are ideal collets for through-tool use for tools with oil holes such as oil hole drills.