Knowledge-JKINGS Abrasive

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KNOWLEDGE

What Is a 4 Inch Cutting Disc? Uses, Advantages & Buying Guide

A 4 inch cutting disc (100 mm) is a resin-bonded abrasive cut-off wheel designed for small angle grinders. It is the most compact standard size in the cutting disc family and is widely used for cutting metal, stainless steel, rebar, bolts and thin-walled profiles where precision and maneuverability matter more than cutting depth.

2026

Ceramic Abrasive vs. Brown Fused Alumina vs. Zirconia Alumina: What's the Difference?

Ceramic abrasive, brown fused alumina and zirconia alumina are the three most common grains in cutting discs, grinding wheels and flap discs. Learn their differences in hardness, toughness, self-sharpening, service life and price, and how to choose the right grain for stainless steel, mild steel and more.

2026

4.5 Inch Cutting Disc: Advantages for Metal & Stainless Steel

The 4.5 inch cutting disc (115mm) is the most popular cut-off wheel size worldwide. Discover its advantages, specifications and selection tips for metal and stainless steel.

2026

4.5 Inch Cutting Disc: Advantages for Metal & Stainless Steel

The 4.5 inch cutting disc (115 mm) is the best-selling cut-off wheel size worldwide, because the 4-1/2" angle grinder is the most common grinder class on job sites. A quality 4.5 inch cutting disc balances cutting depth, speed and disc life for everyday metal and stainless steel work.

2026

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ONLINE MESSAGE

JKINGS is a global industrial brand committed to high-performance abrasives and tools. Built on advanced Industry 4.0 manufacturing and extensive OEM expertise, we deliver precision, durability, efficiency, and reliability for cutting, grinding, and beyond.