Rotabroach 3-Piece Step Drill Set – MultiCut Spiral X (MCSKIT1)
Sizes: 4–12 mm, 4–20 mm, 4–30 mm | 3-Flat Shank
The Rotabroach MultiCut Spiral X Step Drill Set (MCSKIT1) offers outstanding versatility, precision, and durability for drilling clean holes in sheet metal, stainless steel, plastics, and other thin materials. This 3-piece set includes the most commonly used sizes—4–12 mm, 4–20 mm, and 4–30 mm—making it ideal for electricians, fabricators, engineers, and general trades.
Each bit features a Spiral X flute design for smoother, faster cutting with reduced heat build-up, while the 3-flat shank ensures a non-slip grip in standard drill chucks. Whether you're enlarging holes, drilling through panels, or working on site installations, this set delivers professional results with maximum control.
✅ Key Benefits:
3 sizes included – 4–12 mm, 4–20 mm, and 4–30 mm for wide-ranging applications
Spiral X flute geometry – smooth cutting, reduced vibration, and faster chip removal
3-flat shank – secure grip, prevents spinning in chuck
Laser-etched size markings – easy-to-read measurements for accuracy on the job
High-grade HSS construction – tough and long-lasting even in demanding materials
Ideal for sheet metal, stainless steel, copper, PVC & plastics
Neat storage case included – keeps your tools protected and organised
🧰 What’s Included:
1× Step Drill Bit 4–12 mm (MultiCut Spiral X)
1× Step Drill Bit 4–20 mm (MultiCut Spiral X)
1× Step Drill Bit 4–30 mm (MultiCut Spiral X)
1× Protective storage case
📐 Tech Specs:
Part Number: MCSKIT1
Sizes: 4–12 mm, 4–20 mm, 4–30 mm
Shank: 3-flat, for standard drill chucks
Material: High-Speed Steel (HSS)
Cutting Geometry: Spiral X flute
Application: Sheet metal, stainless, plastic, copper, aluminium