https://www.mccoys.com/shop/p/3400124-052303-32/milwaukee-48-89-2317-jobber-drill-bit-516-in-dia-4-12-in-oal-twist-flute-516-in-dia-shank-3-flat-shank
48-89-2317 Jobber Drill Bit, 5/16 in Dia, 4-1/2 in OAL, Twist Flute, 5/16 in Dia Shank, 3-Flat Shank
Sku: 3400124-052303-32
$13.22
133 Available at
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Milwaukee Cobalt RED HELIX™ drill bits are engineered for extreme durability and long life in hard metal applications. Designed with a Variable Helix that includes an aggressive 35 deg helix angle, which ends at 15 deg, the cobalt bits with RED HELIX™ provide Rapid Chip Removal limiting heat build-up to Stay Sharper Longer. The 135 deg split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide up to 10X life vs black oxide drill bits but can be used in all twist drilling applications.
- Up to 10X life vs black oxide
- RED HELIX™ design for rapid chip removal
- 135 deg split point for precision start
- Chip Breaker decreased heat build-up
- Secure-Grip prevents bit from slipping in chuck
Diameter
5/16
Flute Type
Twist
Flute Length
3-3/16
Shank Type
3-Flat
Quick Change Shank
No
Shank Diameter
5/16
Shank Length
1-5/16
Point Type
Split
Point Angle
135
Material
Cobalt
Finish
Bright
Overall Length
4-1/2
Cutting Direction
Right Hand
Applicable Materials
Metal, Plastic, PVC, Stainless Steel, Wood