Precision Twist Drill CO501-6 Extra Length Heavy Duty Type J Aircraft Extension Drill, NO 40, 6 in OAL, 135 deg

• 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-centering 135 deg split point for easier penetration, cobalt base material with bronze oxide for wear resistance and lubricityWeb-thinned
• Tapered web configuration
• No coolant channel

Precision Twist Drill Aircraft Extension Drill| Extra Length Heavy Duty Type J| Series: CO501-6| NO 40| 6 in Overall Length| 4XD Cutting Depth| 2 Flutes| Spiral Flute| 1-3/8 in Flute Length| 0.098 in Shank| Straight Shank| 135 deg Point| Self-Centering Split Point| Right Hand Cutting| HSS-E Cutting Edge| HSS-E-Co| Bronze| Applicable Materials: Alloy Steel/Hardened| Tempered Steel| Titanium| Nickel| Lamellar Graphite and Nodular Graphite/Malleable Cast Iron