5pcs Step Drill Spiral Groove Triangular Shank Stepped Drill

Features:

Set of 5pcs Drills: 1/4-1-3/8, 3/16-7/18, 1/4-3/4, 1/8-1/12, 3/16-1/2, step drills with 5 sizes to meet your different drilling demands.

High Speed Steel Material: features of high quality, high hardness, and good durability, which really an essential hardware tool for drilling, cutting, and woodworking using.

Surface Blue Coating: step drill bits has the advantages of good abrasion resistance, good heat resistance, and rust resistant.

Professional: spiral groove can make a precise, smooth, clean and perfectly round hole.

Applications: suitable for punch holes through sheet metal, steel plate, aluminum plate, brass or wood.

Specifications:

Material: Steel

Size: 1/4-1-3/8, 3/16-7/18, 1/4-3/4, 1/8-1/12, 3/16-1/2

Measurement System: Imperial

Surface Treatment: Blue coating

Shank Type: Triangular Shank

Flute Type: Spiral

Package Weight: 454g / 16.03oz

Package Size: 15 * 11.5 * 4.2cm / 5.91 * 4.53 * 1.65in

Packing List:

5 * Step Drill

1 * Storage Box

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