Screw, Tapping M4.2x9.5 Round Head Phillips  

In your instruction manual, this part appears on the parts list as:

Item No	Models
9-26	LittleMachineShop.com 7600 HiTorque Bench Lathe - 9x20 LittleMachineShop.com 7650 HiTorque Bench Lathe - 9x20
D41	LittleMachineShop.com 6570 HiTorque Bench Mill

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