4.5" Flap Discs 12 Pack Zirconia Angle Grinder Sanding Wheels

Upgrade your grinding, sanding, deburring, and finishing work with PRETEC 4-1/2" zirconia flap discs. Designed for standard 4.5" angle grinders, these Type 27 flap sanding discs deliver strong cutting power, smooth surface blending, and long-lasting durability for metalworking, woodworking, rust removal, and surface preparation.

40 Grit – Heavy Grinding
Best for aggressive stock removal, weld grinding, rust removal, and fast material removal.

60 Grit – General Grinding
A balanced option for grinding, deburring, edge smoothing, and surface prep.

80 Grit – Sanding & Blending
Ideal for medium sanding, rust cleaning, surface blending, and cleaner finishing work.

120 Grit – Smooth Finishing
Best for fine sanding, final surface smoothing, paint prep, and finishing.

Mixed Grit 12 Pack
Includes 4 pcs 40 grit + 4 pcs 60 grit + 2 pcs 80 grit + 2 pcs 120 grit, giving you a practical set for grinding, sanding, blending, and finishing in one pack.

Made with high-density zirconia alumina, these flap discs offer excellent durability, heat resistance, and longer service life compared with standard sanding discs. They are built to handle tough grinding pressure while maintaining stable performance.

The Type 27 flat design provides steady contact on flat surfaces and controlled angle work. Suitable for surface grinding, edge work, weld blending, deburring, and finishing at a 5°–15° working angle.

Each disc features a reinforced fiberglass backing plate to help absorb vibration, improve balance, and support safer operation during grinding and sanding.

• Fits standard 4-1/2" angle grinders
• Disc size: 4.5" / 115mm
• Arbor size: 7/8" / 22.23mm
• Type: T27 flap disc
• Quantity: 12 pcs per pack

• Metal grinding
• Stainless steel surface prep
• Rust removal
• Weld blending
• Deburring
• Edge smoothing
• Wood sanding
• Paint preparation
• Light finishing work

Please choose your preferred grit from the variation menu:

• 40 Grit — 12 Pack
• 60 Grit — 12 Pack
• 80 Grit — 12 Pack
• 120 Grit — 12 Pack
• Mixed Grit — 12 Pack
  • 4 × 40 Grit
  • 4 × 60 Grit
  • 2 × 80 Grit
  • 2 × 120 Grit

• Buy 4 Packs → Save 20%
• Buy 10 Packs → Save 30%

Good for workshops, contractors, metal fabricators, resellers, and frequent angle grinder users.