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Reductions & extensions make connections between different CK sizes within the system allowing for a large variety of tool combinations.

BIG KAISER's tool shank program contains more than 150 different types of shanks, allowing you to pick the perfect shank for your machine tool spindles.

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

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.

EW Micro Head with carbide bar enables precision adjustments with minimal tool carrier offset, preserving high-speed capability.

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 is a high-performance nut with surface treatment for friction reduction.

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

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

CNC Lathe Tooling includes basic straight shank tool holder, ER adapters for driven tools, and set up accessories.

Stationary straight shank tooling and set up accessories from small Swiss Type lathes up to large horizontal lathes with turrets.

The large diameter boring system Series 318 system is super light providing high-precision and performance. Learn more about our modular boring system.

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

MEGA MICRO CHUCK is a collet chuck featuring a notch-free nut design that prevents vibration and noise while offering superior balance and concentricity.

C-Cutter is a chamfer mill that produces clean chamfer surfaces and is available in three types: cylindrical shank, universal, and modular (CKB).