Metal Work – Sanding Fiber Disc

✅ Metal Work – Sanding Fiber Disc (Quick Guide)

A Fiber Disc is one of the best tools for fast sanding + grinding + finishing on metal surfaces.

🔥 Best Uses

• Weld cleaning & blending
• Rust removal / surface cleaning
• Paint removal (initial stage)
• Edge chamfering / beveling
• Preparing metal before painting / coating

✅ Recommended Fiber Disc Types (For Long Life)

Zirconia Alumina Fiber Disc

• ⭐ Best for: stainless steel + heavy duty work
• Faster cutting
• Longer life than normal discs ✅
• Ceramic Fiber Disc
• ⭐ Best for: maximum performance
• Best for heavy grinding
• Longest life (professional use)
• Aluminum Oxide Fiber Disc

✅ Best for: general metal sanding

Low cost option

• ✅ Best Grit Selection (Most Used)
• ✅ 24 / 36 grit → Heavy grinding, weld removal
• ✅ 40 / 60 grit → General sanding, rust removal
• ✅ 80 / 120 grit → Smooth finishing, surface prep
• ✅ 180 grit → Fine finishing (before polish/paint)

✅ Common Sizes

• 4 inch (100mm)
• 4.5 inch (115mm)
• 5 inch (125mm)
• 7 inch (180mm)
• ✅ Used with rubber backing pad (very important)