Komatsu side cutter, Alloy steel, HRC:49-52. Aili Casting, 30 years experience. Top three manufacturer in China. Fast delive I am Miss ... in manufacturing bucket teeth,bucket adaptor, loader teeth, dozer, side cutter, compactor, Ripper tooth, shovel for Caterpillar,Komatsu,Daewoo,Hyundai,Kobelco ...