Precision Twist Drill R18CO Type J Heavy Duty Jobber Length Drill, NO 75, 1 in L, 135 deg, HSS-E, Bronze Oxide

• 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 work piece, it is commonly used on low carbon, stainless steel and ferrous metals
• Spiral flutes are constructed of a higher flute angle to remove chips easiernon-coolant throughWeb-thinned
• Tapered web configuration
• No coolant channel

Precision Twist Drill Jobber Length Drill| Type J Heavy Duty| Series: R18CO| NO 75| 1 in Overall Length| 4XD Cutting Depth| 2 Flutes| Spiral Flute| 1/4 in Flute Length| 0.021 in Shank| Straight Shank| 135 deg Point| Self-Centering Split Point| Right Hand Cutting| HSS-E Cutting Edge| HSS-E| Bronze Oxide| Applicable Materials: Magnetic Soft Steel| Structural Steel/Case Carburising Steel| Plain Carbon Steel| Alloy Steel/Hardened and Tempered Steel| Free Machining Stainless Steel| Ferritic + Austenitic| Graphite/Malleable Cast Iron| Titanium| Nickel| Copper| Brass| Bronze