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Part #DORMER 6001397
Legacy #25851647
MFG #6001397
Precision Twist Drill Aircraft Extension Drill, Type B Extra Length Heavy Duty, Series: 500-12, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 12 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 3-3/16 in Flute Length, 5/16 in Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, 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
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Product Attributes
Brand : Precision Twist Drill
Type : Type B Extra Length Heavy Duty
Series : 500-12
Drill Size - Fraction : 5/16
Drill Size - Decimal Inch : 0.3125
Overall Length : 12
Product Documents
Product Features
- High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials
- 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
- 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
- Tapered web configuration
- • No coolant channe
- No coolant channe


