KBNIAN Set of 10 Micro Carbide PCB Drill Bits Diameter 0.3mm to 1.2mm Shank 1/8” Small Mini Tiny Tipped Tungsten Twist Auger Boring Miniature Hole Drill Bit for Wood Glass Plastic Acrylic Metal Models

Product description

• 【Material】 The micro drill bits are made of high quality carbide and have high hardness and high quality performance. High strength ensures their long-term use.
• 【Dimensions】 10 drill bits, respectively: 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm and 1.2 mm. This drill kit offers a wide range of operations to meet a variety of needs.
• 【Features】 With its sharp edges, our PCB tip spiral groove reduces cutting forces, improves hole accuracy, prevents bit damage and improves drilling accuracy.
• 【Handle】 Our mini PCB drill bit each has a sturdy handle measuring approximately 3.175 mm (1/8 inch) and is covered with silicone for support during drilling. They are ideal for circuit boards, bakelite, CNC, engraving, Plexiglas, jewellery, metal plastics and other precision drilling.
• 【Packaging】 Packed in plastic boxes to make it safe, clean, tidy and easy to find. It is easy to carry and protect the drill bit and bring them to the shop floor and other working points.