Engraving Nut ER11-ER32 CNC Machining Center Engraving Machine Nut Spindle Product Information ● Product Name: High Precision Nut ● Specification: ER11-32 ● Accuracy within 0.007mm ● Features: 65 Manganese Steel, Not Easy to Change Shape, High Hardness, Strong Elasticity 🔴 Package Include: • According to your Choose 🔴 Delivery details: • We only accept your Ebay Address,Please Make sure it's 100% right. • The items you ordered will be shipped out in 3 business day by Air Mail wh