【Metric Tap and Drill Bit Set】:Tap thread size: M3 x 0.5 ; twist drill bit size: 2.5mm . 6542 (M2) high speed steel taps offer high hardness and good toughness for durability and service life. M35 cobalt high speed steel drill bits offer improved hardness, wear resistance, and higher strength
【Titanium-Coated M3 Taps】: Hardened HSS spiral point taps with TiN coating for effortless threading in small metal parts, plastic, and thin sheets
【Rust-Resistant & Long-Lasting】: Roasted yellow finish on drill bit effectively removes oxidation on the metal surface, and increases its corrosion resistance. Titanium coated tap has enhanced hardness, corrosion and rust resistance, heat resistance, and reduces friction. Use with tapping oil to get higher quality threads and more durable taps. Use an appropriate lubricant to reduce friction and heat build-up
【Durable & Corrosion-Resistant】:Heat-treated tools withstand frequent use, making them a reliable choice for hobbyists and technicians
【Durable & Corrosion-Resistant】:Heat-treated tools withstand frequent use, making them a reliable choice for hobbyists and technicians