Parlec B40-30DC3 DA300 Double Angle Collet Chuck BT40

Product Description

The PARLEC B40-30DC3 is a double angle collet chuck designed for precision CNC milling applications. It accepts DA300-series collets with a clamping range of 0.0313 to 0.25 inches, making it suitable for a wide variety of small-diameter end mills, drills, and reamers. The chuck mounts on a BT40 taper shank and delivers a total indicator runout (TIR) of 0.0004 inches, supporting tight-tolerance machining requirements. Through-spindle coolant capability directs cutting fluid directly to the tool tip. This tool holder is installed and serviced by CNC machinists and tool crib technicians in production and job shop environments.

The B40-30DC3 is suited for vertical and horizontal machining centers equipped with BT40 spindle interfaces. The 3-inch projection provides clearance for workpiece features and fixturing in typical milling setups. The DA300 collet series is a widely used double angle system, and this chuck is appropriate for operations requiring consistent runout performance and reliable coolant delivery at the cutting zone. It is commonly used in both production runs and prototype machining where tool reach and accuracy are priorities.

Key Features

• DA300 double angle collet system with 0.0313 to 0.25 inch clamping range
• BT40 taper shank for compatibility with BT40 spindle machines
• 0.0004 inch TIR for high-accuracy, low-runout tool holding
• 3 inch projection for workpiece and fixture clearance
• Through-spindle coolant delivery directs fluid to the cutting edge
• 5.575 inch overall length suits standard machining center setups

Compatibility

Designed for use with DA300-series double angle collets on CNC machining centers equipped with a BT40 spindle taper interface.

Installation Notes

Installation should be performed by a qualified CNC machinist or tooling technician. Ensure the spindle and tool holder tapers are clean and free of chips or coolant residue before seating the chuck. Use the appropriate BT40 pull stud and torque the retention knob per the machine tool manufacturer specification. Inspect collet seating and verify TIR with a dial indicator after installation before beginning any cutting operation.