Home Toys & Games Kids' Electronics Systems & Accessories Electronic Systems6 PCS Step Drill Bit and Saw Drill Set HSS Drill Bits for Sheet Aluminum Iron Metal Stainless Steel Wood Hole Drilling Expanding Multifunction Spiral Grooved Step Drill for Woodworking Industry

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6 PCS Step Drill Bit and Saw Drill Set HSS Drill Bits for Sheet Aluminum Iron Metal Stainless Steel Wood Hole Drilling Expanding Multifunction Spiral Grooved Step Drill for Woodworking Industry

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Product details

Item Type: Straight Flute Step Drill Set

Material: Plated High Speed Steel

Shank Type: Round Shank

4mm-12mm Step Drill Bit:

Blade Diameter: Approx. 4mm / 0.16in, 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.40in, 12mm / 0.47in

Total Length: Approx. 65mm / 2.56in

Shank Diameter: Approx. 6mm / 0.24in

4mm-20mm Step Drill Bit:

Blade Diameter: Approx. 4mm / 0.16in, 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.40in, 12mm / 0.47in, 14mm / 0.55in, 16mm / 0.63in, 18mm / 0.71in, 20mm / 0.80in

Total Length: Approx. 73mm / 2.87in

Shank Diameter: Approx. 8mm / 0.31in

4mm-32mm Step Drill Bit:

Blade Diameter: Approx. 4mm / 0.16in, 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.40in, 12mm / 0.47in, 14mm / 0.55in, 16mm / 0.63in, 18mm / 0.71in, 20mm / 0.80in, 22mm / 0.87in, 24mm / 0.94in, 26mm / 1.02in, 28mm / 1.10in, 30mm / 1.18in, 32mm / 1.26in

Total Length: Approx. 101mm / 3.98in

Shank Diameter: Approx. 10mm / 0.40in

3mm Saw Drill:

Blade Diameter: Approx. 3mm / 0.12in

Total Length: Approx. 60mm / 2.36in

Shank Diameter: Approx. 3mm / 0.12in

6mm Saw Drill:

Blade Diameter: Approx.6mm / 0.24in

Total Length: Approx. 85mm / 3.35in

Shank Diameter: Approx. 6mm / 0.24in

8mm Saw Drill:

Blade Diameter: Approx. 8mm / 0.31in

Total Length: Approx. 93mm / 3.66in

Shank Diameter: Approx. 8mm / 0.31in

(Parameters are manually measured, there is a certain error)

Specifications

Key Features

【Strong & Practical】6-in-1 set includes 3 step drill bits with 30 hole sizes and 3 twist drill bits—ideal for drilling, cutting, and grooving tasks to boost work efficiency on various DIY and pro projects.
【Multi-Purpose Use】Perfect for drilling, cutting, and reaming wood, plastic, and aluminum alloy sheets (1–5mm thick); meets diverse needs for home repair, workshop tasks, and light-duty construction.
【Durable Build】Made of high-speed steel with titanium coating for excellent wear resistance, anti-oxidation, and extended tool life—ensures long-term performance even with repeated use on tough materials.
【Wide Application】Drills effortlessly through wood, plastic, aluminum, copper, and thin steel; titanium coating protects the cutting edge. A great gift for DIYers—perfect for Father’s Day or any handyman.