SMART365 HSS-Co Step-Tec Twist Drill Bit Set 4.5 mm 10 pcs

Introducing the SMART365 HSS-Co Step-Tec Twist Drill Bit Set, a professional-grade drilling solution engineered for precision and durability in metalworking. This set includes 10 high-performance drill bits, each with a diameter of 4.5 mm, featuring advanced Step-Tec geometry for enhanced cutting efficiency and extended tool life. Manufactured from premium HSS-Co (High-Speed Steel with 5% Cobalt), these bits are designed to tackle tough materials such as steel, stainless steel, cast iron, and non-ferrous metals with ease.

Advantages

Experience superior drilling performance with the SMART365 Step-Tec drill bits. The proprietary Step-Tec treatment reduces friction and heat buildup, allowing for faster drilling speeds and cleaner holes. The 135° split point ensures precise starting and reduces walking, while the fully ground construction guarantees concentricity and accuracy. Ideal for professional workshops, industrial applications, and demanding DIY projects.

Suitable for

• Drilling in steel, stainless steel, cast iron, and non-ferrous metals
• Professional metalworking and fabrication
• Industrial maintenance and repair
• High-precision drilling applications

Key specifications

• Product Type: Twist Drill Bit Set
• Material: HSS-Co (High-Speed Steel with Cobalt, approx. 5% Co)
• Drill Bit Diameter: 4.5 mm
• Quantity per Pack: 10 pieces
• Standard: DIN 338
• Point Angle: 135°
• Shank Type: Cylindrical
• Surface Treatment: Step-Tec
• Cutting Direction: Right-hand cut
• Manufacturing Process: Fully Ground
• Tolerance: h8
• Packaging: Industrial Pack

Recommendations

For optimal results, use with a suitable drilling machine at recommended speeds and apply appropriate cutting fluid. Always wear safety goggles and follow standard safety procedures. These drill bits are designed for metal drilling; avoid use on masonry or concrete.