Shank Type: round handle
Cooling type (internal cooling/external cooling): cold outside
Outer edge angle (°): 90
material: high speed steel
series: Angled hole chamfer
model: 4-piece set of oblique hole chamfering drills
Product weight (g): 176
Product name: 90 degree inclined hole chamfering device Product material: high speed steel 4241Product packaging: plastic bag Product size: 12*8*3cmProduct weight: 176 grams Product Specifications:2-5 (inverted 2MM--5MM range of holes, shank 6MM, head diameter 9.7MM)5-10 (reverse 5--10MM range of holes, handle 8MM, head diameter 14MM)10-15 (reverse 10MM--15MM range of holes, handle 10MM, head diameter 21MM)15-20 (reverse 15MM--20MM range of holes, handle 12MM, head diameter 28MM)Matters needing attention : The chamfer needs to work with a bench drill, not a hand electric drill! ! ! Continuous cooling is required during the application process.