Luckyway 14 Piece Titanium Aluminum Drilling 🛠️ Set: Efficient and Dependable Tools for Precision Drilling Review

DIMENSIONS - Includes: 1/16"(1.59 mm), 5/64"(1.98 mm), 3/32"(2.38 mm), 7/64"(2.78 mm), 1/8"(3.18 mm), 1/8"(3.18 mm),9/64"(3.57 mm), 5/32"(3.97 mm), 11/64"(4.37 mm), 3/16"(4.76 mm), 13/64"(5.16 mm), 7/32"(5.56 mm),15/64"(5.95 mm), 1/4"(6.35 mm) with universal round drill shank. MATERIAL - High speed steel(HSS 4341) with titanium coating for capability and durability.Precision grinding process, smooth surface, high grinding precision. APPLICATION - Ideal for drilling wood, steel, non-ferrous metal and plastics.Suitable for home improvement DIY and general industrial applications. GIFT PACKAGE - Easy to carry and fold up to save volume,easy to store. these drill bits provide just what your job needs in a handy 14-piece set. TIPS FOR PROCESSING STAINLESS STEEL - 1 Hand electric drill drilling twist drill and stainless steel plate vertical 90° 2If the hole is larger than 6mm, make the hole with a 3.2mm to 4mm hole first, and then enlarge the hole with a large bit. 3Electric drill chuck must clip twist drill bit, twist drill the shorter the better. 4The electric drill should be between 80 and 120 revolutions. The higher the number of revolutions, the faster the drill will not go down.