https://www.mccoys.com/shop/p/6768907-052303-32/irwin-73320-jobber-drill-bit-516-in-dia-4-12-in-oal-spiral-flute-516-in-dia-shank-3-flat-shank
73320 Jobber Drill Bit, 5/16 in Dia, 4-1/2 in OAL, Spiral Flute, 5/16 in Dia Shank, 3-Flat Shank
Sku: 6768907-052303-32
$9.49 / Card
77 Available at
SHIP TO STORE
High-speed steel features a black body and gold flute with Turbomax tip for burr-free holes. Exact centering; no walking on straight and curved surfaces. Three flatted shank on 3/16 in and above for better chuck grip. Jobbers length.
- High-performance metal drilling for portable drill users, works well on curved surfaces
- Revolutionary tip design stays sharper longer and drills up to 10X faster than other leading drill bits
- Self-centering TURBOMAX tip for clean entry and fast starts, stays sharp longer
- Three-flatted shank on 3/16 in and above for better chuck grip
Diameter
5/16
Flute Type
Spiral
Flute Length
3-3/16
Shank Type
3-Flat
Shank Diameter
5/16
Shank Length
1-1/3
Point Type
Self-Centering Jet
Point Angle
135
Material
HSS
Finish
Black/Gold Oxide
Overall Length
4-1/2
Cutting Direction
Right Hand
Applicable Materials
Iron-Based Ferrous Metal, Low Carbon, Stainless Steel