Precision Twist Drill CO500-12 Extra Length Heavy Duty Type J Aircraft Extension Drill, 1/8 in Dia x 12 in OAL

• Cobalt is harder than high speed steel and provides better wear-resistance
• It is commonly used on high tensile alloys
• Oxide gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece
• It is commonly used on low carbon, stainless steel and ferrous metals
• Low thrust design self-centeringWeb-thinned
• Parallel web configuration
• No coolant channel

Precision Twist Drill Aircraft Extension Drill| Extra Length Heavy Duty Type J| Series: CO500-12| 1/8 in Dia| 12 in Overall Length| 4XD Cutting Depth| 2 Flutes| Spiral Flute| 1-5/8 in Flute Length| 1/8 in Shank| Straight Shank| 135 deg Point| Self-Centering Split Point| Right Hand Cutting| HSS-E Cutting Edge| HSS-E-Co| Bronze| Applicable Materials: Free Machining Stainless Steel| Austenitic| Ferritic + Austenitic| Martensitic| Precipitation Hardened Steel| Lamellar Graphite| Nodular Graphite/Malleable Cast Iron| Nickel| Alloyed| Alloy Steel/Hardened Steel| Tempered Steel