Set of 19 spiral drill buts sizes included; 1x34mm, 1.5x40mm, 2x49mm, 2.5x57mm, 3x61mm, 3.5x70mm, 4x75mm, 4.5x80mm, 5x86mm, 5.5x93mm, 6x93mm, 6.5x101mm, 7x109mm, 7.5x109mm, 8x117mm, 8.5x117mm, 9x125mm, 9.5x125mm & 10x133mm

• · Set of 19 x Spiral Drill Bits
• · diameters 1mm to 10mm
• · Spiral angle: 25-30°
• · Point geometry: Shape C
• · Main use: Steel N/mm² <900, Cast iro
• · Cross-wise sharpening allows for good balance, reducing strain during the operation.