- Made from cobalt steel
- For removing broken bolts, screws, & studs
- Left hand twist bit
- 135° split point
- For use in carbon steel, stainless, aluminum, aluminum alloys, brass, bronze – soft & medium
- Product Description
- Specs
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Cobalt Left Hand Twist Drill Bit made by Century Drill & Tool, Co. These Left Hand drill bits are specially designed for removing broken bolts, screws, & studs (By using these bits in a drill on reverse). They may also be used in conjunction with “Easy-Out” bits in the broken bolts after using the Left Hand bits too. These twist drill bits are jobber length, & are made of cobalt steel. For drilling in a variety of materials, carbon steel, stainless, aluminum, aluminum alloys, brass, bronze – soft & medium.
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Drill Bit Diameter
Overall Length Model
5/64″ 2″ 74104 7/64″
2-1/8″ 74107 1/8″ 2-1/4″ 74108 5/32″ 2-3/4″ 74110 3/16″ 2-7/8″ 74112 1/4″ 3-1/4″ 74116 19/64″ 3-3/4″ 74119 5/16″ 3-3/4″ 74120 3/8″ 4″ 74124 13/32″ 4-3/8″ 74126 7/16″ 4-1/2″ 74128 15/32″ 4-5/8″ 74130 1/2″ 5″ 74132 For California Residents:
WARNING: Cancer & Reproductive Harm –
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to /wood