BGTEC Serrated Carbide Masonry Drill Bit Set – 10PCS 3/16″*2,1/4″*4,5/16″*2,3/8″,1/2″ Wood Drill Bits for Wood Plastic Masonry Brick Tile Glass Concrete Marble 5mm*2, 6mm*4, 8mm*2, 10mm, 12mm 10

A 10-piece BGTEC carbide-tipped drill bit set with a crisscross serrated tip for cleaner starts on slick surfaces like tile and glass, plus deep spiral flutes for faster chip removal. Includes multiple sizes and a 1/4″ (6.3mm) quick-fit hex shank for broad drill compatibility.

1mm Mini Flame Cuticle Clean Nail Drill Bit, 5Pcs/Set Russian Diamond Nail Bits Professional Safety Under Nail Cleaner Burr for Cuticle Dead Skin, Electric Nails Drill Accessories, Medium 5Pcs Card Packing 1mm Mini Flame(5D)-M

A 5-piece set of hytoos 1mm mini flame Russian diamond nail bits (medium grit) designed for gentle cuticle cleaning, sidewall dead skin removal, and nail prep. Fits most 3/32″ (2.35mm) electric nail drills and supports two-way rotation for left- or right-handed use.

THINKWORK Four Spiral Flute Step Drill Bit, HSS Step Drill Bit3/16-1-3/8 (3 Popular Sizes) Unibit Step Drill Bit, 1/4″ Shank Step Bits for Aluminum, Wood, Plastic, Metal 3/16-1-3/8″

A 3-piece THINKWORK step drill bit set built for cleaner, more controlled hole enlargement—featuring four spiral flutes, laser-engraved step markings, and a 1/4″ straight shank. Covers 3/16″ to 1-3/8″ for common DIY and shop tasks in metal, wood, and plastic.