Small Precision Twist Drill Bits 50 Pack 1mm-2.5mm Titanium Coated Mini Drill Set for DIY Model Making & Handicrafts

Product Description50pcs HSS titanium coated mini twist drill bits, sizes 1mm/1.5mm/2mm/2.5mm. Sharp cutting tip delivers clean, precise micro holes; anti-wear titanium coating boosts durability & reduces friction. Straight uniform shank fits mini hand drills and electric drills perfectly. Works for wood, acrylic, plastic, resin and soft metal. Ideal for model building, jewelry making, PCB repair, DIY crafts and hobby precision projects. Compact set meets all fine drilling demands for handmade & electronic maintenance.Usage InstructionsPreparationsSecure workpiece with a clamp to prevent shifting; wear safety goggles to block flying scraps.Insert the mini drill bit fully into drill chuck and lock tightly to avoid wobble.Drilling OperationKeep drill perpendicular to material surface, maintain vertical angle constantly.Use low rotation speed with gentle steady pressure; never push hard forcibly.For soft metal, add a little cutting fluid to reduce bit abrasion.Post-use CarePull out the bit slowly after drilling, clear tiny metal/plastic debris.Wipe bits clean, store dry to avoid rust, separate sizes for next use.Forbidden OperationsDo not drill hardened steel, ceramic or glass; avoid tilted drilling which breaks tiny thin bits.