Accupro 588512 ER40 Collet 13 Mm

Product Description

The ACCUPRO 588512 is an ER40 series collet designed to hold round workpieces and cutting tools with a 13 mm shank diameter in compatible milling, drilling, and boring setups. ER collets function by compressing radially around the toolholder shank as the locking nut is tightened, providing concentric clamping force that secures the tool during cutting operations. This collet is rated to 1000 units of clamping pressure and weighs 0.85 pounds. It is a single-piece unit sold individually and is a standard component in CNC machining and manual milling work.

This collet is suited for use in machine shops, production machining environments, and toolroom applications where ER40-size collet chucks are in use. The ER40 series is a widely adopted collet standard in CNC machining centers, manual mills, and lathes equipped with ER40 toolholding systems. Machinists and toolroom technicians select this collet when working with 13 mm shank tooling including end mills, drills, and reamers that require precise radial runout control during cutting.

Key Features

• ER40 collet series for use with ER40-compatible collet chucks and toolholders
• 13 mm clamping diameter accommodates standard 13 mm shank tooling
• 1000 rated clamping pressure for secure tool retention during machining operations
• Single-piece unit, sold individually with no minimum order requirement beyond one unit
• Compact form factor at 0.85 pounds for easy handling and tool change efficiency

Compatibility

Designed as a direct-fit replacement or addition for any ER40-standard collet chuck or toolholding system that accepts ER40 series collets with a 13 mm bore size.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Before seating the collet, ensure the collet chuck and nut threads are clean and free of chips or debris. Insert the collet into the ER40 chuck nut before threading onto the chuck body, then tighten to the toolholder manufacturer's specified torque procedure using a proper spanner wrench. Never strike the collet nut with a hammer or substitute improvised tools, as this can damage collet taper geometry and reduce clamping accuracy.