Topec 108 PCS Quality Twist Drill Bit Set. 14 Sizes 1.5mm to 10mm. Drill Bit Tools for most metals, wood and plastics.Packed in a sturdy box. A VARIETY OF DRILL BIT SETS MAKE YOUR WORK EASIER. Topec drilling bit set contains the most popular drill bit sizes for most DIY projects,which is the best choice for home improvement, repair, maintenance, refurbishment, woodworking and metalworking projects. Our long metal drill bits are made of high-speed steel and are hardened and hard to break.The surface of the drill bit is polished, which is not easy to rust and has a longer service life.With 2 grooves, chip removal is smoother and easier to use.A variety of sizes, With Topec general metal drill bits, you can always find the right helper. Tips: When using high hardness materials,Need to add water to cool.
