165 PCS 5 Inch Sanding Discs Random Orbital Sander Sandpaper

The POTUINOM 165-Piece Sanding Disc Set provides a comprehensive assortment of abrasives designed for standard 5-inch random orbital sanders, air grinders, die grinders, and electric drills. It provides DIYers and workshop owners with a full gradient of grits to handle everything from heavy material removal to fine finishing without buying separate packs.

Each 5-inch disc is manufactured with aluminum oxide abrasive grain, which is designed to cut quickly while resisting clogging during extended use. The 8-hole configuration aids dust removal during sanding, which helps maintain a cleaner workspace and reduces airborne particles. The discs are suitable for working on wood, metal, non-metal materials, rubber, leather, plastic, stone, and glass, as well as derusting tasks.

The pack is divided into 20 discs each of 60, 80, 120, 150, 240, 320, 400, and 600 grits, along with 5 extra pieces of coarse 40 grit. This distribution allows users to move smoothly through rough processing (40-100 grit), conventional polishing (120-320 grit), and fine polishing (400 grit and above).

In terms of trade-offs, the set includes only 5 pieces of the coarsest 40-grit paper compared to 20 pieces for every other grade, which may limit heavy-duty stock removal runs. Additionally, the listing does not specify the exact backing attachment style (such as hook-and-loop or adhesive), so buyers should confirm compatibility with their tool pads.

Verdict: This 165-piece kit is a practical choice for anyone needing a versatile range of 5-inch sanding discs for woodworking, metal cleaning, or general craft projects. It offers a solid progression of grits to take raw surfaces all the way to a smooth finish.

• Brand: POTUINOM
• Piece Count: 165 pieces
• Diameter: 5 inches
• Hole Pattern: 8 holes
• Abrasive Material: Aluminum oxide
• Grit Assortment: 40 (5 pcs), 60 (20 pcs), 80 (20 pcs), 120 (20 pcs), 150 (20 pcs), 240 (20 pcs), 320 (20 pcs), 400 (20 pcs), 600 (20 pcs)

A great fit if you:

• Need a wide variety of grits ranging from 40 to 600 for multi-step surface finishing.
• Use a 5-inch random orbital sander, air grinder, or drill attachment with an 8-hole dust pattern.
• Work across mixed materials such as wood, metal, plastics, stone, or glass.

Consider something else if you:

• Require large quantities of very coarse 40-grit paper for heavy stripping tasks.
• Use sanders requiring discs of a different size or hole pattern.

What grits are included in this 165-piece pack?
The pack includes 5 discs of 40 grit, plus 20 discs each of 60, 80, 120, 150, 240, 320, 400, and 600 grit.

What materials can these sanding discs be used on?
They are suitable for metal, non-metal, wood, rubber, leather, plastic, stone, and glass, as well as grinding, polishing, and derusting.

What tools are compatible with these discs?
These 5-inch discs fit most 5-inch random orbital sanders, die grinders, air grinders, and electric drills.