Feature●Adapt your insert type chuck to almost lathe spindle at a very low cost (1-Inch 8TPI)●Easy and inexpensive insert/adapter system,Simply screws into the back of your chucks.●Female 1 inch 8 TPI,male 1-1/2-8 TPI,Make sure the size of your lathe. Please make sure the size before order!!●Ensures maximum adaptability and flexibility - Changing your lathe only requires change of insertDescription
The insert’s external thread fits into the back of the chuck. The internal thread matches that of your lathe’s headstock spindle.