Description
• SPIRAL FLUTE – Three high-speed HSS 5% cobalt spiral flute step drills.
• SWARF CLEARANCE – Double spiral flutes for efficient swarf clearance.
• PRECISION – Allows clog-free, precision drilling of 18 different size holes with just three bits.
• SIZES #1: Ø4-12mm, #2: Ø4-20mm in 2mm increments, #3: Ø4-32mm in 2mm increments.
• STORAGE – Supplied in storage case.

![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/a2332d7e-6686-4aba-9250-be37f95e97ce__31306.1772703609.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 2](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/86e33a6f-c8e7-44ec-8b36-812809511fca__93325.1772703608.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 3](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/ec27943f-efc1-45af-943a-41b8f75a6bb0__37444.1772703610.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 4](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/0d170787-3cb8-436f-a7a5-a53d4b6bd22d__94473.1772703610.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 5](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/2765b23c-2eb7-411b-ac86-4cd99b621643__39546.1772703611.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 6](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/76e6dd2d-fc84-4b0d-a02b-b4c929721ede__24462.1772703611.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 7](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/12540883-8033-4ec8-9bfd-59b5102bacb2__71764.1772703612.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 8](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/3b9dfda7-88de-42fb-926e-4f721258d5cf__73801.1772703612.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 9](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/5e144050-8740-4be2-b84b-61e392852154__39668.1772703613.webp)
![Spiral Flute HSS Cobalt Step Drill Bit Set 3pc [AK4743] - Image 10](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/525d9cae-09d5-41b3-9a7b-e233ac39b54e__18761.1772703613.webp)

![Worksafe® TCT Saw Blade 250 x 30mm 60tpu [25060]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/25060_DFC0279237__82615.1759315862-324x324.webp)
