20 Pcs PCB Micro Drill Bits Set from 0.3mm-1.2 mm, Shank Tungsten Carbide Spiral Flute Small Drill Bit Set, Mini Drill Bit for Rough Stone Print Circuit Board Jewelry Engraving

PCB Drill Bits Set Specifications: Material: Tungsten Steel Quantity: 20pcs, 2pcs each size. Item Type: 0.3+0.4+0.5+0.6+0.7+0.8+0.9+1.0+1.1+1.2mm Package Included: 2 x 0.3mm PCB Drill Bits 2 x 0.4mm PCB Drill Bits 2 x 0.5mm PCB Drill Bits 2 x 0.6mm PCB Drill Bits 2 x 0.7mm PCB Drill Bits 2 x 0.8mm PCB Drill Bits 2 x 0.9mm PCB Drill Bits 2 x 1.0mm PCB Drill Bits 2 x 1.1mm PCB Drill Bits 2 x 1.2mm PCB Drill Bits

• 【High Quality】The PCB Drill Bits are made of high quality tungsten steel, highly wear resistance, high hardness, bending strength, anti-impairment, highly working efficiency.
• 【Micro Drill Bit Set】2 Boxes of small drill bits contain 10 drill bits of different sizes (diameters from 0.3mm to 1.2mm). 2 drill bits of each size are convenient to use, and the variety of sizes can meet different drilling needs.
• 【High Precision】 With sharp cutting edge, milling groove and clean surface, these sets of tool work quickly and cleanly, no glitches or scrap left.
• 【Wide Range of Uses】Mini drill bit set is widely used for precision drilling of circuit boards, amber beeswax processing, CNC engraving, jewelry engraving, hardware, plastic, bakelite, DIY woodworking and other precision drilling, cutting and engraving projects.
• 【Good Package】Packaged in high-quality plastic box, it is convenient for storage, carrying or replacement, and cbetter protection keeps the blade tip goods in the delivery from being damaged.