ÞREPABOR 4 – 20MM
Step Drill, HSS, 4-20 mm
• With starter point.
• For drilling from small to large diameters with pre-drilling in thin sheet material.
• Burr-free thanks to chip breaker.
• No work-hardening.
• Graduated in the most popular drill sizes.
• For steel sheet, non-ferrous metals and plastics.
• Head diameter 4-20 mm, graduated by 2 mm steps.
• Shaft diameter 8 mm.
