This 25-piece twist drill bit set, made of HSS 4241 steel, handles diverse drilling tasks.Covering 1mm–13mm metric sizes (0.5mm increments), it works for woodworking, metalworking, plastic drilling, and light masonry (brick/tile).A compact iron case keeps bits organized and portable, suiting professionals and DIY enthusiasts alike.

Features

Durable HSS 4241 Steel: High wear resistance and hardness for stable performance across materials.

Versatile Applications: Drills wood, tile, plastic, brick, thin metal, and aluminum alloy.

Precision Tips: Minimizes bit walking, ensures efficient chip removal for cleaner/faster drilling.

Compact Metal Case: Sturdy iron box for secure storage and quick size identification.

Full Size Coverage: 1mm–13mm sizes (0.5mm steps) meet most common drilling needs.

Specifications

Material: HSS 4241

Bit Type: Twist Drill (Straight Shank)

Sizes: 1mm–13mm (0.5mm increments)

Case Dimensions: 10cm×8cm×6cm (3.93in×3.14in×2.36in, 1–3cm deviation possible)

Applications: Wood, Tile, Plastic, Brick, Metal, Aluminum Alloy

Colour: Silver (drill bits) + Blue-Grey (iron box, slight differences may occur)

Package Includes

1 × 25PCS HSS 4241 Twist Drill Bit Set

1 × Iron Storage Case

Note

Manual measurement may cause 1–3cm size deviation.

Slight colour differences may exist due to lighting/screen settings.

Not suitable for hardened or heat-treated steel.

Operate at correct speed and use lubrication to extend bit life.

Keep out of reach of young ones; handle sharp bits with care.