IRWIN 10502538 HSS Pro Twist Drill Bit Set 5 pcs (4mm-10mm)

The IRWIN 10502538 HSS Pro Twist Drill Bit Set is a professional-grade 5-piece set designed for precision drilling in metal, wood, and plastic. Manufactured from high-speed steel (HSS) with a bright finish, these bits offer durability and consistent performance. The set includes sizes 4mm, 5mm, 6mm, 8mm, and 10mm, all with a 118° point angle and cylindrical shank, meeting DIN 338 standards. Ideal for both corded and cordless drills, the bits are precision ground for accurate holes. Supplied in a convenient plastic cassette for storage and organization.

Advantages

High-speed steel construction ensures long life and heat resistance. Precision ground flutes provide efficient chip removal. The 118° point angle reduces walking and ensures clean entry. Suitable for multiple materials, making it a versatile addition to any toolkit.

Suitable for

• Metal drilling (steel, aluminum, etc.)
• Wood drilling (softwood, hardwood)
• Plastic drilling
• General DIY and professional applications

Key specifications

• Product Type: Twist Drill Bit Set
• Material: High-Speed Steel (HSS)
• Number of Pieces: 5
• Drill Bit Sizes: 4mm, 5mm, 6mm, 8mm, 10mm
• Shank Type: Cylindrical
• Point Angle: 118°
• Manufacturing Standard: DIN 338
• Surface Finish: Bright (Uncoated)
• Cutting Direction: Right-Hand Cut
• Packaging: Plastic Cassette

Recommendations

For best results, use at appropriate speeds and apply cutting fluid when drilling metal. Always wear safety glasses.