Unikut Step Drill Spiral Flute 7-40.5Mm | Accessories - Spiral Flutes (Metric) Double Union (BSP) 21mm 2 - 1/2"Dr Extensions

21mm 2 - 1/2"Dr Extensions : 125

Champion 1in Rubber Blanking Grommets -8pk

- 124 Pieces Replacement Packs Available Part # Size Pack Qty C124-1 4

Calibrated at two measuring points per blade

- Doors hinged to swing upwards to give quick and easy access

Unikut Step Drill Spiral Flute 7-40.5Mm | Accessories - Spiral Flutes (Metric) Double Union (BSP) 21mm 2 - 1/2"Dr ExtensionsSPIRAL FLUTE STEP DRILLS The Titanium Nitride coating significantly increases the tool life by providing the following benefits: Increases surface hardness to 85HRC Ceramic surface reducing friction by up to 30% Especially resistant to cold welding. Suitable for cutting a wide range of materials. Sizes Included: 7 10. 5 12. 5 14. 5 16. 5 18. 5 20. 5 23. 5 25. 5 30. 5 32. 5 38. 5 40. 5mm Step Length: 3. 0mm Overall Length: 115mm Shank: 12mm