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• Works on all BT40 machines with Dual Contact spindles
• Compatible with BIG-PLUS® spindles
• Drill Chuck is screwed from the back to ensure it does not come out during high cutting loads
• Balanced to G2.5 @ 20,000 rpm, but rated safe operation speed is 7000 rpm
• All critical surfaces precision ground
• Made from hardened alloy steel
• Gage length is 110mm (4.3 inches)
• This unit can hold shanks from .019-.511 (.5-13mm)
• Rear thread for pull stud is M16 X 2.0
• Max runout is .0015"
• Wrench included
• Not coolant thru capable
• Max drill depth when clamping min diameter drill is 1.145"
• Max drill depth when clamping max diameter drill is 1.38"
• MariTool Part# is BT40-APU13D