RUKO KEB-Set 10-Piece HSSCo Quick-In Twist Drill Bit Set, 3-12mm, DIN 338, Split Point 135°

This 10-piece drill bit set from RUKO stands out with its HSSCo-E cobalt-alloyed steel construction and Quick-In hexagonal shanks, allowing fast bit changes in cordless drills and drill presses. The set covers diameters from 3 mm to 12 mm, making it a versatile choice for drilling in harder materials like stainless steel and cast iron.

Highlights

• HSSCo-E high-speed steel with cobalt for enhanced heat resistance and durability
• Quick-In shank with quick-change groove for secure, tool-free bit changes
• 135° split point for self-centering and reduced walking on the workpiece
• Ground from solid to DIN 338 with h8 shank tolerance for precise holes
• Supplied in a robust metal cassette for organized storage and transport

In daily use

The split point design eliminates the need for center punching on many jobs, while the bright finish reduces friction and helps clear chips. The set includes the most common metric sizes, so you are ready for a wide range of drilling tasks in alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals.

Full specifications

• Material: HSSCo-E (High-Speed Steel Cobalt Alloyed)
• Number of pieces: 10
• Shank type: Quick-In (hexagonal with quick-change groove)
• Drill bit type: Twist drill
• Standard: DIN 338
• Point angle: 135°
• Point type: Split point (self-centering)
• Surface finish: Bright / Uncoated
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Manufacturing process: Ground from solid
• Suitable materials: Alloyed and unalloyed steel, stainless steel (Inox), cast iron, non-ferrous metals
• Set contents: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm
• Packaging: Robust metal cassette

Final note

A dependable set for professionals and demanding DIYers who need precise, long-lasting drill bits for tough materials.