- 5/8" Diameter: Larger size for heavy-duty fasteners and deburring. 82° Angle: Industrial standard for flat-head screw head seating. 5-Flute Design: Engineered to reduce vibration and eliminate chatter.
Irwin 12412 5/8" Single Flute HSS Metal Countersink Bit – 82° Chatter-Free Heavy-Duty Tip
Irwin Tools
Irwin 12412 5/8" Single Flute High-Speed Steel Metal Countersink
Smooth performance for larger fasteners. The Irwin 12412 is the industrial-scale solution for creating perfectly seated, flush...