It is a Medium-density lubricating oil used to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated in machine parts.
Hit Factor Supply, LLC Ultimate Bearing Kit for Dillon XL750 and XL650 : Sports & Outdoors
Dillon owners.which grease, oil and other are you using to maintain your press ???
Schaeffer Manufacturing Co. 011030-012S Micron Moly Racing Engine Oil SAE 30, 1-Quart Bottle : Automotive
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InLine Fabrication Ergonomic 9-3/4 Ultramount Riser System for The Dillon 650/750 Presses : Sports & Outdoors
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3-In-One 8 oz. Multi-Purpose Drip Oil at Tractor Supply Co.
Dillon XL750 Reloading Machine, Dillon Precision: Creedmoor Sports Inc.
Machine Oil Dillon Supply