Draper Expert HSS Twist Drill Bit 8.5 mm 230 mm 53038

This set comprises metric-sized high-speed steel (HSS) twist drills designed for precise drilling prior to tapping. Manufactured to DIN338 and ISO235/1 standards, these drills are built for durability and accuracy across a range of home improvement and DIY projects. Sizes span from 1.6 mm to 10.2 mm, making the collection suitable for various tasks with both professional and hobbyist applications. Drills are compatible with standard drill chucks and can be used with drill presses or handheld drills, offering reliable performance for drilling holes before tapping. The product line includes packaging variations: sizes 4.2–10.2 mm are sold with one drill per card, while sizes 1.6–3.3 mm are sold with two drills per card. A basic expert note indicates a selection of metric-sized HSS straight-shank drills specifically intended for holes drilled prior to tapping. This description focuses on the core specifications and usage without extraneous details, ensuring clear and practical guidance for selecting and using the right drill sizes for tapping preparation.

Features

• Metric-sized HSS twist drills for tapping prep
• DIN338 and ISO235/1 compliant construction
• Sizes 1.6mm to 10.2mm available
• Packaging varies: one drill per card (4.2–10.2mm) or two (1.6–3.3mm)

Technical specifications

• Material: High-Speed Steel (HSS)
• Standards: DIN338, ISO235/1
• Sizes: 1.6mm–10.2mm
• Shank: straight
• Packaging: 1 drill per card (4.2–10.2mm); 2 per card (1.6–3.3mm)
• Compatible with standard drill chucks

Use with appropriate safety gear. Apply steady pressure during drilling. Ensure the drill is properly cooled if used for extended periods.