HSS Step Drill Bit 9 Hole 4 - 20mm

Features

• Ideal for sheet metal without pre-drilling
• Spiral flute for reduced vibration and greater control
• High speed steel
• Three flat shank suits 3 jaw chuck
• Steps: 9
• Sizes: 4, 6, 8, 10, 12, 14, 16, 18 & 20mm

Suitable For

• Use in sheet metal, aluminium, plastic and fibreglass