Unikut Step Drill Spiral Flute 4-20Mm | Accessories - Spiral Flutes (Metric) Retaining - Material: 6463-T6 Durable Aerospace-grade

- Material: 6463-T6 Durable Aerospace-grade Aluminium Alloy body with pocket clip

Holemaker Uni Shank Tinite (Tin) Cutter 47mm X 50mm

Impact Socket 21mm DIN

Set Contents: - GZ33150 - 5/16 x 6in / 150mm

Unikut Step Drill Spiral Flute 4-20Mm | Accessories - Spiral Flutes (Metric) Retaining - Material: 6463-T6 Durable Aerospace-gradeSPIRAL 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: 4 6 8 10 12 14 16 18 20mm Step Length: 3. 0mm Overall Length: 74. 5mm Shank: 8mm