METAL DRILL BITS 7 PCS SET (AKD1075)

Ingco Metal Drill Bits 7-Piece Set (Model: AKD1075)
The query refers to the Ingco AKD1075, a 7-piece high-speed steel (HSS) twist drill bit set from the Ingco brand, known for its affordable power tool accessories in metalworking, woodworking, and general DIY projects. This set is specifically designed for drilling precise holes in metal (e.g., steel, aluminum, brass), but also performs well on wood, plastic, and soft materials. The bits feature a 4341-grade HSS construction for durability and heat resistance, making it ideal for hobbyists, mechanics, and professionals using corded or cordless drills.
Key Specifications

Feature	Details
Model	AKD1075
Pieces	7
Material	HSS 4341 (high-speed steel)
Shank Type	Cylindrical (fits standard 10–13 mm chucks)
Point Angle	118° (standard for general-purpose drilling)
Packaging	Plastic storage case
Weight (set)	Approximately 0.15–0.2 kg

Diameter	Length (approx.)	Primary Use
2 mm (x2)	34–40 mm	Fine pilot holes in thin metals
3 mm (x2)	40–50 mm	Small fasteners or screws
4 mm	50–60 mm	Medium holes in sheet metal
5 mm	60–70 mm	Bolts, dowels in aluminum/steel
6 mm	70–80 mm	Larger anchors or tubing

HSS 4341 Construction: Alloyed high-speed steel withstands high temperatures (up to 600°C) and friction, ensuring sharp edges for clean, burr-free holes; black oxide coating reduces rust and improves chip ejection.
Twist Design: Helical flutes efficiently remove debris, minimizing clogging during prolonged drilling; suitable for rotary mode (not hammer) up to 3,000 RPM.
Versatile Applications: Perfect for automotive repairs, electrical installations, or crafting; drills through non-ferrous metals, mild steel, wood, or PVC; not ideal for hardened steel (use cobalt bits) or masonry (use carbide-tipped instead).
Precision and Safety: Ground flutes and split-point tips prevent bit walking; the organized case keeps bits sorted and protected for job-site portability.

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