Product Overview
BAHCO 229-SD — Step drill for thin metal sheets
This step drill from BAHCO is designed for drilling in thin metal sheets. The BAHCO 229-SD features a titanium-nitride (TiN) coating, a self-centering tip, and a 3/8" (10 mm) shank. The drill is intended for making holes in the range of 4 mm to 22 mm in 2 mm increments.Technical Characteristics
- Coating: Titanium-nitride (TiN)
- Hole sizes: 4 mm – 22 mm in 2 mm intervals
- Tip: Self-centering
- Shank: 3/8" (10 mm)
- Total length: 76 mm
- Usable length: 40 mm
- Weight: approx. 70 g
- Lifespan: TiN coating is stated to reduce friction and increase surface hardness, with approximately 4–5 times longer lifespan compared to ordinary step drills.
Typical Applications
- The BAHCO 229-SD is designed to make holes in thin metal sheets within the specified diameter range (4–22 mm in 2 mm increments).
Documentation
Product information verified on the manufacturer's product page: See manufacturer's product page.
Specifications
- Manufacturer: BAHCO
- Product number: 229-SD
- Coating: TiN (titanium-nitride)
- Hole sizes: 4–22 mm (2 mm increments)
- Self-centering tip
- Shank: 3/8" (10 mm)
- Total length: 76 mm
- Usable length: 40 mm
- Weight: approx. 70 g
- Stated lifespan improvement: approx. 4–5 times vs. ordinary step drills
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