4.5in x 3/64in x 7/8in Stainless Steel Cutting Wheels 100 Pack - Fast

In this review the 100 pack of 4.5in x 3/64in x 7/8in stainless steel cutting wheels is assessed for mechanics, fabricators, and hobbyists who need a high-volume, low-cost abrasive for metal and composite cutting. The single biggest reason to buy is the combination of a proprietary zirconia oxide grit and double fiberglass mesh reinforcement that delivers fast, clean cuts across steel, stainless steel, and nonmetal materials while remaining safe to use at high speed. For shops that go through discs quickly, this pack supplies quantity, consistent cut quality, and a focus on durability.

Key Features

• High speed rating: The discs are rated for operation up to 133,00 rpm and 80 m/s, allowing confident use on die grinders and electric cut off tools at high revolutions.
• Zirconia oxide grit: Proprietary zirconia oxide grain delivers faster material removal and a longer life compared with generic abrasive grains.
• Double fiberglass reinforcement: Two layers of fiberglass mesh increase safety and reduce the chance of catastrophic failure during cutting tasks.
• Wide compatibility: The 7/8in arbor and 4.5in diameter fit common die grinders, air cut off tools and electric cut off tools for flexible workshop use.
• Smoother finish: The use of 46# raw material sand produces a smoother, clearer cutting surface that minimizes heat and reduces damage to the work piece.
• Bulk value pack: A 100 pack supplies a steady stock for busy shops, shipbuilding, valve factories, and routine automobile maintenance.

Who It's For

This product is well suited to industrial and shop environments that require frequent cutting of metals and composites: shipbuilding engineering teams, factory workshops, valve manufacturers, power generation maintenance crews, and automotive service shops will appreciate the bulk supply and compatibility with common cut off tools.

Hobbyists and occasional users will get good cut quality, but those who rarely change wheels may prefer smaller packs or premium specialty wheels designed for very fine finish work; this pack focuses on throughput and value rather than precision finishing for delicate projects.

Pros & Cons

Pros

• Strong value: 100 discs provide long-term stock for high-use environments.
• Effective cutting: zirconia oxide grit cuts stainless steel and ferrous metals smoothly and quickly.
• Reinforced safety: double fiberglass mesh reduces risk if a disc is damaged in use.
• Clean finish: 46# abrasive produces a smoother cut surface with less workpiece damage.

Cons

• Mixed durability reports: while many users find long life, some report wheels break more easily under heavy side-loads, so care is required in use.
• Not specialized: this general-purpose wheel is not intended for ultra-fine finishing tasks where a dedicated finishing disc is better.

Specifications

Pack quantity	100 cutting wheels
Wheel diameter	4.5 in (115 mm)
Wheel thickness	3/64 in (1.2 mm)
Arbor size	7/8 in (22.2 mm)
Abrasive grain	Zirconia oxide (proprietary)
Reinforcement	Double fiberglass mesh
Max speed	Up to 133,00 rpm and 80 m/s

Our Verdict

The 4.5in x 3/64in x 7/8in 100 pack cutting wheels are a pragmatic buy for workshops that need reliable, fast-cutting abrasive at scale. They marry aggressive zirconia oxide grit with reinforced construction to suit heavy shop use, and the bulk pack represents good value for maintenance and fabrication teams who change discs frequently.

Frequently Asked Questions

Will these wheels cut stainless steel?
Yes, the zirconia oxide grit is formulated to cut stainless steel and other ferrous metals effectively.

What tools are compatible?
The discs are compatible with die grinders, air cut off tools, and electric cut off tools that accept a 7/8in arbor and 4.5in wheel.

Are the wheels safe if damaged?
They include double fiberglass mesh reinforcement to reduce the chance of dangerous debris if a wheel is broken, but proper PPE and correct mounting remain essential.