Oil Fitting, 8 mm 

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

Item No	Models
77	Grizzly G0463 Grizzly Small Mill Harbor Freight 93885 Central Machinery Small Mill Various X3-US SIEG Small Mill Woodstock International M1110 Shop Fox Small Mill
C29	LittleMachineShop.com 6700 HiTorque Large Bench Mill LittleMachineShop.com 6750 HiTorque Large Bench Mill Various SX3.5-US SIEG Large Bench Mill

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