Surebuild UK HSS 3 Pc Metal Step Cone Drill Bit Cutter Set 4mm-32mm, SBDSD01

The Surebuild UK SBDSD01 HSS Titanium Coated 3 Piece Step Drill Bit Set is a versatile and durable drilling solution designed for creating clean, smooth, and accurately sized holes in a wide range of materials. Manufactured from HSS 4241 high-speed steel and finished with a titanium coating, these step drill bits offer excellent hardness, heat resistance and durability for reliable performance.

The set includes three popular step drill sizes: 4-12mm, 4-20mm and 4-32mm, providing a total of 33 different drilling sizes. The stepped design allows you to enlarge holes progressively without constantly changing between different drill bits, making it ideal for electrical, plumbing, DIY, engineering and general workshop applications.

The straight flute design helps provide efficient swarf clearance, reducing clogging and allowing smoother, faster drilling. The precision-ground steps are designed to produce clean and round holes, making these bits particularly useful when working with sheet metal and other thin materials.

Key Features

• Premium HSS 4241 Construction – Manufactured from high-speed steel for excellent durability, hardness and heat resistance.
• Titanium Coated – Provides enhanced wear resistance and helps extend the working life of the drill bits.
• 3 Popular Step Drill Sizes – Includes 4-12mm, 4-20mm and 4-32mm step drill bits, covering a wide range of hole sizes.
• 33 Drilling Sizes – Multiple graduated steps allow you to drill different hole diameters with fewer tool changes.
• Smooth & Precise Holes – Designed to produce clean, smooth and accurately rounded holes.
• Straight Flute Design – Helps clear swarf efficiently, reducing clogging and improving drilling performance.
• Versatile Applications – Suitable for sheet metal, steel plate, aluminium, brass, wood and other suitable materials.
• Precision Drilling – Ideal for creating clean holes without the need for multiple conventional drill bits.
• Protective Storage Case – Supplied in a convenient fold-out metal storage case for easy organisation and transport.

Specifications

• Brand: Surebuild UK
• Model: SBDSD01
• Type: Step Drill Bit Cutter Set
• Material: HSS 4241
• Coating: Titanium Coated
• Number of Pieces: 3
• Total Drilling Sizes: 33
• Bit 1: 4-12mm, 1mm increments
• Bit 1 Shank: 6mm
• Bit 2: 4-20mm, 2mm increments
• Bit 2 Shank: 8mm
• Bit 3: 4-32mm, 2mm increments
• Bit 3 Shank: 10mm
• Flute Design: Straight Flute
• Storage: Fold-out Metal Storage Case
• Suitable Materials: Sheet Metal, Steel, Aluminium, Brass, Wood, and similar materials

What's Included

• 1 × 4-12mm HSS Titanium Coated Step Drill Bit
• 1 × 4-20mm HSS Titanium Coated Step Drill Bit
• 1 × 4-32mm HSS Titanium-Coated Step Drill Bit
• 1 × Fold-Out Metal Storage Case