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Quick connect release chucks, connectors, tool holders
This item was acquired in a plain corrugated box at a salvage freight sale recently, and that is about all we know about them. They are brand new, and they are very well made, but there is not a part number or identification mark anywhere on them. These would probably cost plenty if you knew what to ask for at the parts desk. They would be ideal for quickly changing various tooling from one machine to another, as long as your machines and tooling all have 3/8-24 threads.
Overall assembled length (with spindle screwed in): 2.675"
Overall assembled length (with spindle snapped in): 2.440"
Hex size (coupler & spindle): 7/16"
Hex depth / length (coupler & spindle): .720"
Threads (coupler & spindle): 3/8-24 National Fine
Overall spindle length: 1.898"
Diameter of spindle locking recess: .368"
Length of spindle from shoulder to center of locking recess: .500"
Length of spindle from tip to center of locking recess: .220"
Size of little wrench that doesn't fit anything: .547"
