Precision Twist Drill 500-12 Extra Length Heavy Duty Type B Aircraft Extension Drill, 1/2 in Dia x 12 in OAL, 135 deg

• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials
• Oxide prevents chip building, galling and welding on the work piece, it is commonly used on low carbons, stainless steel and ferrous metals web-thinned
• Tapered web configuration
• No coolant channel

Precision Twist Drill Aircraft Extension Drill| Extra Length Heavy Duty Type B| Series: 500-12| 1/2 in Dia| 12 in Overall Length| 4XD Cutting Depth| 2 Flutes| Spiral Flute| 4-1/2 in Flute Length| 1/2 in Shank| Straight Shank| 135 deg Point| Self-Centering Split Point| Right Hand Cutting| HSS Cutting Edge| HSS| Steam Oxide| Applicable Materials: Plain Carbon Steel| Alloy Steel/Hardened and Tempered Steel| Free Machining Stainless Steel| Austenitic| Ferritic + Austenitic| Martensitic| Lamellar Graphite| Nodular Graphite/Malleable Cast Iron| Unalloyed Titanium| Alloyed Titanium| Nickel