Description:Made of high-strength high speed steel material, the carbide forstner bit Set adopted heat treatment to ensure razor-sharp edges, high hardness, and extended durability.The arc curve design of the bit head features smooth chip removal, enhancing drilling efficiency.8-piece forstner bits with different sizes catering to various task requirements with precision and efficiency.Specification:Drilling Dia: 5/8" (16mm), 3/4"(19mm), 1"(25mm), 1-1/8"(28mm), 1-1/4"(31.5mm), 1-3/8"(35mm), 1-1/2"(38mm), 1-5/8"(41mm)Drilling Depth:62mm/2.44", 62mm/2.44", 64mm/2.52", 65mm/2.56", 64mm/2.52", 64mm/2.52", 64mm/2.52", 65mm/2.56"Shank Dia: 8mm/0.2" 8mm/0.2", 8mm/0.2", 8mm/0.2", 8mm/0.2", 8mm/0.2", 9mm/0.35", 9mm/0.35" Total Length: 90mm/3.54", 91mm/3.58", 92mm/3.62", 95mm/3.74", 93mm/3.66", 93mm/3.66", 93mm/3.66", 93mm/3.
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