Combined Drill & Countersink, #4, 0.125" Small Diameter, 5/16" Large Diameter, High Speed Steel Concrete Block Flash Point - Open Cup

Flash Point - Open Cup Method

Silicon carbide abrasive

making you more productive with less downtime between holes

providing reliable performance and extending printhead life

Combined Drill & Countersink, #4, 0.125" Small Diameter, 5/16" Large Diameter, High Speed Steel Concrete Block Flash Point - Open CupBright finish improves chip flow in soft or non ferrous materials 82 countersink Recyclable packaging Specifications Material High Speed Steel Number Size #4 Small Diameter 0. 125" Decimal Size 0. 125" Large Diameter 5 16" Countersink Angle 82 Manufacturing Standards ANSI Size 1 8" Depth 1XD Body Diameter 5 16" Flute Length 0. 7031" Overall Length 2 1 8" Finish Bright Manufacturer Series A217 Cutting Direction Right Hand Countersink Grade General