... Speed SteelTool SteelSpecial AlloyTungsten CarbideDiamondMetal-bondingResing-bondingCBN Stainless Steel Fabric Rotary Cutter Blade HJAR blades characteristics: 1. ... leather, electronics, fabrics...etc. 2. for grooving and cutting with less procedure 3. Ultra-thin, High precesion, Superhardness 4. ... selection is an important part of this equation. With that in mind, HJAR is happy to provide the ...