Irwin 3019020B HSS Fractional Straight Shank Jobber Drill Bit 5/16in, 4-1/2in OAL
- Laser-etched markings for easy identification
- High Speed Steel features a black shank and gold flute
- Heavy-duty web construction for strength and durability
- 135° split point begins drilling immediately, minimizing bit "walk"
- 3-Flatted shank on 3/16" and above for better chuck grip
- Provides accurate drilling without a center punch
- PART NO.: 3019020B
- Size: 5/16"
- Twist Length: 3-3/16"
- Overall Length: 4-1/2"
- Packaging: Bulk
Available Sizes & Specifications: