IRWIN 30519 Cobalt Drill Bit, 19/64", Left-Hand, Mechanics Length, 135° Split Point
- Designed for drilling tough materials like stainless steel, the IRWIN Hanson 30519 cobalt drill bits feature a durable left-hand cutting edge and a 135-degree split point for precise starts with reduced walking. Perfect for extracting broken fasteners and use in tight, repetitive applications found in machine shops and repair garages.
- Features:
- Constructed from M-35 cobalt alloy steel for extended bit life
- 135-degree split point ensures fast starts and minimizes bit walking
- Left-hand spiral ideal for screw extractor applications
- Mechanics length offers greater control and reduced breakage
- Corrosion-resistant gold oxide finish
- Specifications:
- Manufacturer: IRWIN Hanson
- Part Number: 30519
- Product Type: Left-hand cobalt drill bit set
- Material: M-35 cobalt alloy steel
- Size: 19/64"
- Length: 3-5/8"
- Length: Mechanics length
- Point Angle: 135 degrees
- Finish: Gold oxide
- Country of Origin: USA
- The IRWIN Hanson 30519 cobalt drill bit can also be referred to as left-hand drill bit, screw extractor drill bit, 19/64 cobalt bit, mechanics length drill, and broken bolt removal drill.
IRWIN Hanson is a trusted name in professional-grade hand tools and power tool accessories. Known for their commitment to precision, durability, and performance, IRWIN Hanson products are a top choice among automotive professionals, machinists, and contractors worldwide.
Q: Can this drill bit be used to remove broken bolts?
A: Yes, the left-hand spiral design is ideal for backing out broken fasteners during drilling.
Q: What type of material can this bit drill through?
A: It is designed to handle hardened steel, stainless steel, and tough metal surfaces.
Q: Is this drill bit compatible with regular drill chucks?
A: Yes, it fits standard 3-jaw drill chucks and handheld power drills.
Q: What is the advantage of a 135° split point?
A: It offers quicker starts and reduced walking, especially on hard surfaces like steel.
Q: How long do cobalt bits typically last?
A: Cobalt bits are known for their longevity, especially when used with proper cooling and drilling speed.
