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Home Tools & Instruments Drills, Drivers, & Bits Drill Bits
Milwaukee Thunderbolt 3/16" 3-1/2" OAL Cobalt Drill Bit, 48-89-2309 - Pkg Qty 5

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Milwaukee Thunderbolt 3/16" 3-1/2" OAL Cobalt Drill Bit, 48-89-2309 - Pkg Qty 5

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Item #: ISWB1402752

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$7.07 each

Sold in packages of 5

Promotion Price: $35.35

with FREE shipping today! (within the contiguous US)

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Product Q&A
Milwaukee Thunderbolt 3/16" 3-1/2" OAL Cobalt Drill Bit, 48-89-2309. Milwaukee® Thunderbolt® Cobalt drill bits are designed for extreme durability and long life in specialty applications. The Thunderbolt® web features a thicker core than a standard drill bit, which provides ultimate strength and protects against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 Split Point tip starts on contact to keep the bit from walking for fast accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills. Thunderbolt® Web, Provides Longer Life and Faster Driller Times. Parabolic Flute, Clears Chips Faster. 135° degree Split Point, Precision Start No Walking. Specialty Bit for Cast Iron and Stainless Steel.

Product Features

  • Brand: Milwaukee®
  • Manufacturer's Part Number: 48-89-2309
  • Type: Thunderbolt®
  • Description: Twist Drill Bit
  • Size: 3/16"

Product Specifications

    • LENGTH INCHES3-1/2"
    • FLUTE LENGTH2-5/16"
    • PKG. QTY.1
    • TYPEThunderbolt
    • Item DescriptionTwist Drill Bit
    • SHANK TYPERound
    • SIZE3/16"
    • BrandMilwaukee
    • MATERIALCobalt
    • Manufacturers Part Number48-89-2309
    • APPLICATIONAbrasive Alloy|Hardened Steel|Stainless Steel
    • FINISHPlain
    • COATINGCobalt
    • BLADE LENGTH3-1/2"

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