20 Best 4 1 2 Inch Grinding Discs [2024]

Are you looking for the best 4 1 2 Inch Grinding Discs? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4 1 2 Inch Grinding Discs.

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1 DEWALT Grinding Wheel, General Purpose for Metal, 4-1/2-Inch x 1/4-Inch x 5/8-Inch (DW4523) DEWALT Grinding Wheel, General Purpose for Metal, 4-1/2-Inch x 1/4-Inch x 5/8-Inch (DW4523)
2 ALATIN Grinder Wood Carving Disc,4'' or 4'-1/2' Angle Grinder,Chainsaw Grinding Wheel China Blade... ALATIN Grinder Wood Carving Disc,4'' or 4"-1/2" Angle Grinder,Chainsaw Grinding Wheel China Blade...
3 Mercer Industries 301036-4-1/2' x 7/8' Aluminum Oxide Resin Fiber Discs, 36 Grit (25 pack) Mercer Industries 301036-4-1/2" x 7/8" Aluminum Oxide Resin Fiber Discs, 36 Grit (25 pack)
4 S SATC 46PCS Sanding Discs 2 Inch Roll Lock Quick Change Discs 1pcs 1/4'' Holder Surface... S SATC 46PCS Sanding Discs 2 Inch Roll Lock Quick Change Discs 1pcs 1/4'' Holder Surface...
5 Wood Carving Disc(Replacement Chain)&Grinding Wheel Shaping Disc,Anti-Kickback DoubleSaw Teeth... Wood Carving Disc(Replacement Chain)&Grinding Wheel Shaping Disc,Anti-Kickback DoubleSaw Teeth...
6 DEWALT DW4514 1/4' Thick Grinding Wheel with 4-1/2' Diameter and 7/8' Arbor DEWALT DW4514 1/4" Thick Grinding Wheel with 4-1/2" Diameter and 7/8" Arbor
7 LotFancy 20PCS Flap Disc 4 1/2 Inch, 40 60 80 120 Grit Grinding Sanding Wheels, Aluminum Oxide... LotFancy 20PCS Flap Disc 4 1/2 Inch, 40 60 80 120 Grit Grinding Sanding Wheels, Aluminum Oxide...
8 MIDO PROFESSIONAL ABRASIVE Flap Disc 4 1/2 inch 20 Pack for Angle Grinder Sanding Disc Assorted Grit... MIDO PROFESSIONAL ABRASIVE Flap Disc 4 1/2 inch 20 Pack for Angle Grinder Sanding Disc Assorted...
9 4.5' x 7/8' Premium High Density Jumbo Zirconia Type 29 Flap Disc 40 Grit - 10 Pack 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 29 Flap Disc 40 Grit - 10 Pack
10 DEWALT Cutting Wheel, General Purpose Metal Cutting, 4-1/2-Inch, 5-Pack (DW8062B5) DEWALT Cutting Wheel, General Purpose Metal Cutting, 4-1/2-Inch, 5-Pack (DW8062B5)
11 KSEIBI 641006 4-1/2-Inch by 1/4-Inch Metal Stainless Steel INOX Grinding Disc Depressed Center Grind... KSEIBI 641006 4-1/2-Inch by 1/4-Inch Metal Stainless Steel INOX Grinding Disc Depressed Center...
12 BHA Depressed Center Metal Grinding Wheels for Angle Grinders, 4.5” x 1/4” x 7/8” - 5 Pack BHA Depressed Center Metal Grinding Wheels for Angle Grinders, 4.5” x 1/4” x 7/8” - 5 Pack
13 S SATC 20 Pack Flap Discs 40/60/80/120 Grit Grinding Wheel 4.5' x 7/8' High Density Bevel Type Angle... S SATC 20 Pack Flap Discs 40/60/80/120 Grit Grinding Wheel 4.5" x 7/8" High Density Bevel Type...
14 DEWALT DW4514B5 4-1/2-Inch by 1/4-Inch by 7/8-Inch Metal Grinding Wheel - 10 Pack DEWALT DW4514B5 4-1/2-Inch by 1/4-Inch by 7/8-Inch Metal Grinding Wheel - 10 Pack
15 Tshya Quick Change Grinding Disc, 50 Pcs 2 inch Sanding Discs, Zirconia Coated Roll Lock Disc for... Tshya Quick Change Grinding Disc, 50 Pcs 2 inch Sanding Discs, Zirconia Coated Roll Lock Disc for...
16 NYXCL Miroku 50Pcs Mixup 2 inch roll Lock Quick Change Discs Set, A/O Sanding Discs with 1/4'... NYXCL Miroku 50Pcs Mixup 2 inch roll Lock Quick Change Discs Set, A/O Sanding Discs with 1/4"...
17 Neiko 11257A High Density Jumbo Premium Zirconia Flap Disc | 4.5' x 7/8-Inch, 40 Grit, Bevel Type... Neiko 11257A High Density Jumbo Premium Zirconia Flap Disc | 4.5" x 7/8-Inch, 40 Grit, Bevel Type...
18 Makita 5 Pack - 4.5' Grinding Wheel For Grinders - Aggressive Grinding For Metal - 4-1/2 x 1/4 x... Makita 5 Pack - 4.5" Grinding Wheel For Grinders - Aggressive Grinding For Metal - 4-1/2 x 1/4 x...
19 Milwaukee 10 Pack - 4 1 2 Cutting Wheels For Grinders - Aggressive Cutting For Metal & Stainless... Milwaukee 10 Pack - 4 1 2 Cutting Wheels For Grinders - Aggressive Cutting For Metal & Stainless...
20 YALUSO Zirconia Flap Discs 4.5 Inch 80 Grit, T29 Grinder Grinding Disc Abrasive Sanding Wheels Bevel... YALUSO Zirconia Flap Discs 4.5 Inch 80 Grit, T29 Grinder Grinding Disc Abrasive Sanding Wheels...
Bestseller No. 1
DEWALT Grinding Wheel, General Purpose for Metal, 4-1/2-Inch x 1/4-Inch x 5/8-Inch (DW4523)
  • High performance aluminum oxide grain for long life and high material removal of the grinding wheel
  • High grain concentration of the grinder disc is made for aggressive grinding action and smoother running wheels
  • Proprietary material mix of 4 1/2 grinding wheels ensures durable long life wheels
  • 3 full sheets of fiberglass for durability and safety
SaleBestseller No. 2
ALATIN Grinder Wood Carving Disc,4'' or 4"-1/2" Angle Grinder,Chainsaw Grinding Wheel China Blade...
  • PROFESSIONAL ANGLE GRINDER - Arbor size : 5/8" (16mm), diameter: 4", suitable for 4" (100mm) or 4-1 / 2in (115mm) wood grinder disc. Speed:...
  • WIDE RANGE OF APPLICABILITY - Our angle grinder disc saws are extremely operability, easy to complete cutting, carving wood, stone, metal, plastic,...
  • EXQUISITE CRAFTSMANSHIP - First-class quality, compared with the traditional wood carving disc, for you to save complex operation, not need to be...
  • EASY TO USE - This carving disc for angle grinder is firmly fixed between two steel plates and can be easily carved and cut. It provides excellent...
  • WARM TIPS - Before use the grinder saw disc, please read the instruction manual carefully to ensure correct installation. It is not recommended to use...
Bestseller No. 3
Mercer Industries 301036-4-1/2" x 7/8" Aluminum Oxide Resin Fiber Discs, 36 Grit (25 pack)
  • Box of 25 - 4-1/2" diameter x 7/8" hole (arbor) Aluminum Oxide fiber backed discs in 36 grit
  • Use on an angle grinder. Max RPM 13,300. Must be used with a backing pad
  • Aluminum oxide grain is an economical choice and can be used on metal, wood,fiberglass, plastics & composites
  • Heavy-duty vulcanized fiber backing for the toughest applications
  • Available in 16 - 120 grits for all your sanding needs
SaleBestseller No. 4
S SATC 46PCS Sanding Discs 2 Inch Roll Lock Quick Change Discs 1pcs 1/4'' Holder Surface...
  • ▶️ LONGEST LASTING: Quick change discs have long life.Wide selection of grits and grains.Easy to use.Our product are made of premium grain and...
  • ▶️ Upgraded ALuminum: Roll lock discs are made for high-quality proffessional aluminum oxide.We have done a lot of testing to give you the most...
  • ▶️ BEST MATCH SIZE: Sanding discs roloc 2” surface conditioning discs-Coarse/Medium/Fine total 46pcs incloud 1/4 inch shank roll lock disc...
  • ▶️ MAX PERFORMANCE: Surface conditioning discs are uitable for stainless steel, alloys, non-ferrous materials, plastics, and fiberglass; useful...
  • ▶️ QUICK CHANGE FOR SAVING TIME: Abrasive sanding discs are ideal for deburring, finishing, and cleaning on flat or contoured surface of metals to...
SaleBestseller No. 5
Wood Carving Disc(Replacement Chain)&Grinding Wheel Shaping Disc,Anti-Kickback DoubleSaw Teeth...
  • 【Superb craftsmanship】The woodcarving saw blade adopts stainless steel disc design, 22-tooth chain ring of hard alloy steel, wear-resistant and...
  • 【Excellent design】A beautifully designed gift box to give your friends a perfect gift. The tooth icon is engraved on the product to make...
  • 【Wide application】Thinkwork woodcarving chain discs and grinding wheel shaping discs is suitable for non-metallic materials, suitable for any...
  • 【Compatibility】Suitable for most 4" (100mm) or 4-1/2" (115mm) angle grinders and manual grinders. This product can meet your various need, you can...
  • 【Replaceable】If your angle grinder chain saw wheel attachment become dull during work, you no longer need to stop working. We provide replaceable...
Bestseller No. 6
DEWALT DW4514 1/4" Thick Grinding Wheel with 4-1/2" Diameter and 7/8" Arbor
  • High performance aluminum oxide grain for long life and high material removal
  • High grain concentration for agressive grinding action and smoother running wheels
  • Proprietary material mix ensures durable long life wheels
SaleBestseller No. 7
LotFancy 20PCS Flap Disc 4 1/2 Inch, 40 60 80 120 Grit Grinding Sanding Wheels, Aluminum Oxide...
  • VALUE PACK: 40 60 80 120 grit Assorted, 4-1/2 Inch Diameter, 7/8 Inch Arbor, Type #27, 13300RPM maximum speed
  • HIGH PERFORMANCE: Premium resin-bonded aluminum oxide abrasive produces high performance: durable, good abrasion resistance, anti-static and...
  • Fiberglass backing providing durability and reinforcement
  • Assorted grit flap discs satisfying all your blending, sanding and finishing requirements from coarse to fine
  • Widely used for rust, paint, ferrous metals, stainless steel, non-ferrous metals, wood and plastics; Fits most 4.5” Angle Grinders, such as DEWALT...
SaleBestseller No. 8
MIDO PROFESSIONAL ABRASIVE Flap Disc 4 1/2 inch 20 Pack for Angle Grinder Sanding Disc Assorted Grit...
  • Assorted Types: 20 pack of 4 1/2 inch 40 60 80 120 grit flap discs,contains 4 different grits(40 grit, 60 grit, 80grit, 120 grit), 5 pieces of each...
  • Extreme Durability And Value: The flap sanding discs are made of Top-Level hard zirconia alumina material and multi-layered fiberglass plates, which...
  • Wide Application -This 4-1/2’’ x 7/8’’ flap disc is used for all kinds of projects, ranging from metal and woodworking, concrete grinding and...
  • Applicable Models: Fits most 4.5” Angle Grinders, such as DEWALT DCG414B, DWE402, Makita 9557PBX1, Bosch 1375A, GWS8-45, PORTER-CABLE PC60TAG,...
  • Type #27 – T27 flap discs are perfect for smoothing and blending surface
SaleBestseller No. 9
4.5" x 7/8" Premium High Density Jumbo Zirconia Type 29 Flap Disc 40 Grit - 10 Pack
  • Benchmark Abrasives uses only the highest quality grains and backing material for our flap discs.
  • Designed for grinding, blending, sanding and finishing on a wide range of material.
  • The #1 choice for welders and metal fabricators.
  • Made in accordance with ANSI safety requirements.
  • For use on an Angle Grinder
SaleBestseller No. 10
DEWALT Cutting Wheel, General Purpose Metal Cutting, 4-1/2-Inch, 5-Pack (DW8062B5)
  • Thin .045" wheel design for fast burr free cutting
  • Proprietary aluminum oxide grain combination for aggressive cutting action
  • Proprietary Material Mix ensures durable long life wheels
  • 2 full sheets of fiberglass for durability and safety
  • Product Image may vary
Bestseller No. 11
KSEIBI 641006 4-1/2-Inch by 1/4-Inch Metal Stainless Steel INOX Grinding Disc Depressed Center Grind...
  • All-purpose grinding disc grinding disc with very good removal rate, suitable for grinding both edges and surfaces.
  • Low vibration for operator convenience therefore giving longer usage are the prime features of this development.
  • Outstanding stock removal rate and easy to use. No clogging, no chattering.
  • Ideal for very solid construction steel, tool steel, high-speed steel, and sheet steel.
  • Comes in pack of 10 grinding discs at an attractive price.
Bestseller No. 12
BHA Depressed Center Metal Grinding Wheels for Angle Grinders, 4.5” x 1/4” x 7/8” - 5 Pack
  • 5 Pack Premium Metal Grinding Discs
  • 4-1/2" Inch Diameter x 1/4" Inch Thickness x 7/8" Inch Arbor
  • A24T Aluminum Oxide Grains for Aggressive Grinding and High Stock Removal
  • Compatible with 4.5" Angle Grinder
  • Fiberglass Reinforced for Saftey
SaleBestseller No. 13
S SATC 20 Pack Flap Discs 40/60/80/120 Grit Grinding Wheel 4.5" x 7/8" High Density Bevel Type Angle...
  • 👍 STRONGEST FIBER BACKING THAN OTHER PRODUCTS: 4 1/2 grinding wheels made for TOP-LEVEL Hard zirconia.Good material for griding wheel. This Flap...
  • 👍 LONGEST LASTING: Grinder sanding disc has long lasting time. Safe and Effective. Durable Material. Fast polishing,and it’s has durable...
  • 👍 BEST MATCH SIZE:Flap disc 4-1 2 inch with 40/60/80/120 Grit 4 different grits total 20 packs.This 20 Pack flap disc set includes 10 pieces of 40...
  • 👍 FITS T29 ANGLE GRINDER: Angle grinder sanding disc can be used for universal applications, ranging from metal or woodworking, concrete grinding...
  • 👍 SUPER VAULE: Grinding discs 4 1/2 max RPM 13300, wear eye protection keep all guards.Please read and follow ansl safety CODE B7.1. Fit for T29...
Bestseller No. 14
DEWALT DW4514B5 4-1/2-Inch by 1/4-Inch by 7/8-Inch Metal Grinding Wheel - 10 Pack
  • Genuine, OEM Dewalt Replacement Part
  • Dewalt replacement 4-1/2x1/4 metal gp (blk), part number DW4514 Z
Bestseller No. 15
Tshya Quick Change Grinding Disc, 50 Pcs 2 inch Sanding Discs, Zirconia Coated Roll Lock Disc for...
  • ✔ FIRST CHOICE - Premium Zirconia sandpaper with strong twist lock shank base, 36 Grit roloc sanding disc provides durability and high performance...
  • ✔ EASY TO USE - All it takes is one simple turn and the disc is securely locked onto the mandrel. Use with any air or electric drill, die grinder,...
  • ✔ MORE APPLICATIONS - Its ideal for heavy grinding operations on hard materials (stainless steel).Perfect for home improvement whether it is for...
  • ✔ 50 PACK - 50 Pcs 36 Grit Zirconia 2 inch sanding discs.
  • ✔ FACTORY OUTLET- Factory mass standard production, Guaranteed quality.
Bestseller No. 16
NYXCL Miroku 50Pcs Mixup 2 inch roll Lock Quick Change Discs Set, A/O Sanding Discs with 1/4"...
  • 📌2 Inch Quick Change Sanding Discs made with premium Aluminium Oxide abrasive grains featuring Active Grinding Aid which prevents loading and...
  • 📌Quick change disc has unique safety torque screw, strong wear resistance and fast grinding force.
  • 📌Aluminium Oxide corundum abrasive grain has high abrasion resistance and hardness, and the surface is attached with thermal and blocking resistant...
  • 📌2 Inch Quick Change Sanding Discs can meet the requirement of 23000Max. Rpm.
  • 📌Quick change disc Can Used for grinding welding seam and smoothing surface.
Bestseller No. 17
Neiko 11257A High Density Jumbo Premium Zirconia Flap Disc | 4.5" x 7/8-Inch, 40 Grit, Bevel Type...
  • Constructed of industrial grade high density premium zirconia to provide more grinding material than standard flap discs
  • 40 grit flap disc is coarser in build and is ideal for heavier stock removal
  • Bevel Type 29 disc build is effective for countours, edge and weld blending, and radius grinding
  • Resin fiber construction with fiberglass backing plate absorbs vibrations without smear during usage
  • Each disc measures at 4-1/2-inch diameter with a 7/8-inch arbor size, making it compatible with grinders operatable of up to 13,300 RPM
Bestseller No. 18
Makita 5 Pack - 4.5" Grinding Wheel For Grinders - Aggressive Grinding For Metal - 4-1/2 x 1/4 x...
  • ✅ 5 MAKITA Premium 4-1/2” Depressed Grinding Wheels for Metal | 4-1/2-Inch x 1/4-Inch x 7/8-Inch | Optimized for Makita 4-1/2” Angle Grinders...
  • ✅ GRIND 2-3X MORE than lower quality & cost wheels due to this wheel’s carefully selected Grain Grit, Hard Bond Matrix & Wheel Thickness that...
  • ✅ EASILY & SMOOTHLY GRIND all steel and metal including welds, carbon steel, structural steel, iron, steel pipes and alloy steel over an extra-long...
  • ✅ AVOID Premature Disintegration, Wheel Shatter, & Injury with lower priced wheels by relying on Makita’s proprietary strong bond matrix that...
  • ✅ QUICKLY REMOVE General Steel, Metal & Weld Stock with Makita’s Coarse 24 Grit Grains | Quality Assured, Aggressive and Long Life Wheels for...
Bestseller No. 19
Milwaukee 10 Pack - 4 1 2 Cutting Wheels For Grinders - Aggressive Cutting For Metal & Stainless...
  • 10 Milwaukee Premium Type 1 Metal & Stainless Steel (INOX) Cutting Wheels | 4-1/2-Inch x .045-Inch x 7/8-Inch
  • Extremely thin .045-inch wheel design for fast, straight cuts with minimal burr
  • Industry's fastest rotating cutting speed for maximum productivity with the most demanding Metal & Stainless Steel cutting applications | Cuts up to...
  • Engineered in Brookfield, WI for Milwaukee 4-1/2 inch Angle Grinders & other 4-1/2 inch grinders with standard 5/8" - 11 UNC spindle thread
  • Consistent performance from wheel to wheel through superior manufacturing process. Tested for balance, resulting in smooth, vibration free cutting....
Bestseller No. 20
YALUSO Zirconia Flap Discs 4.5 Inch 80 Grit, T29 Grinder Grinding Disc Abrasive Sanding Wheels Bevel...
  • Constructed of industrial grade zirconia, compared with common aluminum oxide material, zirconia flap discs provide an excellent preformance of...
  • Includes 20pcs grits discs, ideal for small to medium grinding application, for light grinding on a variety of surfaces.
  • 80 grit medium fineness grinding wheels are good & effective alternative for smoothing, sanding, blending, polishing, finishing flat surfaces,...
  • Bevel type #29 Discs (T29), has a slightly upward surface, effective for countours, edge and weld blending, and radius grinding.
  • 4.5" (115mm) outer diameter flap discs, with 7/8" (22mm) Arbor Hole, fit for use with 4-1/2" angle grinder, operatable of max. 13,300 RPM.

Having trouble finding a great 4 1 2 Inch Grinding Discs?

This problem is well understood by us because we have gone through the entire 4 1 2 Inch Grinding Discs research process ourselves, which is why we have put together a comprehensive list of the best 4 1 2 Inch Grinding Discss available in the market today.

After hours of searching and using all the models on the market, we have found the best 4 1 2 Inch Grinding Discs for 2023. See our ranking below!

How Do You Buy The Best 4 1 2 Inch Grinding Discs?

Do you get stressed out thinking about shopping for a great 4 1 2 Inch Grinding Discs? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4 1 2 Inch Grinding Discs, which is why we have assembled a comprehensive list of the greatest 4 1 2 Inch Grinding Discs available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4 1 2 Inch Grinding Discs that you consider buying. Your questions might include the following:

  • Is it worth buying an 4 1 2 Inch Grinding Discs?
  • What benefits are there with buying an 4 1 2 Inch Grinding Discs?
  • What factors deserve consideration when shopping for an effective 4 1 2 Inch Grinding Discs?
  • Why is it crucial to invest in any 4 1 2 Inch Grinding Discs, much less the best one?
  • Which 4 1 2 Inch Grinding Discs are good in the current market?
  • Where can you find information like this about 4 1 2 Inch Grinding Discs?

We’re convinced that you likely have far more questions than just these regarding 4 1 2 Inch Grinding Discs, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4 1 2 Inch Grinding Discs, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4 1 2 Inch Grinding Discs. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4 1 2 Inch Grinding Discs buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4 1 2 Inch Grinding Discs currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4 1 2 Inch Grinding Discs has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4 1 2 Inch Grinding Discs?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4 1 2 Inch Grinding Discs.
  5. Customer Ratings: Number ratings grade 4 1 2 Inch Grinding Discs objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4 1 2 Inch Grinding Discs.
  7. Product Quality: You don’t always get what you pay for with an 4 1 2 Inch Grinding Discs, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4 1 2 Inch Grinding Discs is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4 1 2 Inch Grinding Discs information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4 1 2 Inch Grinding Discs is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the Best Grinder disc for metal grinding?

A: Consider the following reviewed grinder discs and purchase to enjoy grinding your products and making them shiny. Buy DEWALT DW4523 4-1/2-Inch by 1/4-Inch by 5/8-Inch General Purpose Metal Grinding Wheel.

Q: What are the best angle grinder carving disc accessories?

A: Angle Grinder Carving Disc Accessories Attachment 7-Piece Set, for 4-1/2″ Angle… Rannb 60 Grit Flat Lap Disk Wheel Electroplated Diamond Coated Jewelry… SCOTTCHEN Diamond Flat Lap Wheel 6″ x 1/2″ Arbor Grinding Sanding Disc Lapping… Tungsten Carbide Grinding Wheel Disc, 3 Pieces 5/8 Inch Grinder Shaping Disc Flat Grinder…

Q: What is the best 4 1/2 inch concrete grinding wheel?

A: We analyzed and compared 42 4 1/2 inch concrete grinding wheel sold for nearly 42 hours, and considered the opinions of 577 consumers. Following our last update, our favorite model is the DEWALT DW4429 4-Inch by 1/4-Inch by 5/8-Inch Concrete/Masonry Grinding Wheel.

Q: How many grits are in a grinder sanding disc?

A: This grinder sanding disc has varied grits for each step of the sanding process. Every pack has one disc for each step of the sanding process. One disc for grinding and stripping. Another disc is for bare surfaces. Moreover, finally one disc for finishing.