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SALI Cobalt Aircraft Extension Drill Bits,3/8"×12" Long Length Drill Bits for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & Copper - size: 3/8"×12"

SALI Cobalt Aircraft Extension Drill Bits,3/8"×12" Long Length Drill Bits for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & Copper - size: 3/8"×12"

Regular price $21.56 USD
Regular price Sale price $21.56 USD
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About this item

  • Precision in size and length:Crafted with a cutting diameter of 3/8" and a total length of 12", these drill bits offer the precision needed for various drilling tasks
  • Durable black oxide coating:Featuring a black oxide coating and a 135° split point design, while lasting 50% longer than standard hss bits, offering a balance of hardness and toughness for enhanced wear resistance
  • Versatile applications:Designed for versatility, these aircraft extension bits can reach challenging spots in materials like sheet metal, stainless steel, aluminum, copper, and more, making them suitable for a wide range of projects
  • Enhanced lubricity with black oxide treatment:The black oxide treatment not only enhances lubricity but also creates small pockets on the tool's surface to retain coolant near the cutting edge, improving efficiency
  • Chip evacuation efficiency:With a right-hand cut design, the spiral fluted tools evacuate chips upward and away from the cutting area, reducing the risk of clogging during drilling operations

Overview

  • Material: Cobalt
  • Cutting Diameter: 0.38 inches
  • Finish Type: Black Oxide
  • Shank Type: Straight
  • Brand: SALI
Quantity

Low stock: 10 left

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  • ⭐⭐⭐⭐⭐

    Ethan Miller — Austin, Texas

    FixTimber made it easier to find practical supplies for several wood repairs around my home. The products were clearly presented, and the items I ordered worked well for filling damaged areas and completing small maintenance projects. I would shop here again for future repairs.

  • ⭐⭐⭐⭐⭐

    Laura Bennett — Portland, Oregon

    I ordered a selection of fasteners, sealants, and wood-finishing supplies for an exterior repair project. Everything fit the type of work I had planned, and the collection categories made it simple to compare the available options. Overall, it was a convenient shopping experience.

  • ⭐⭐⭐⭐⭐

    Michael Turner — Denver, Colorado

    The repair tools and structural hardware I purchased were useful for reinforcing a few areas of my wooden deck. I appreciated being able to find related supplies in one place. The products felt practical for regular maintenance and small improvement projects.

  • ⭐⭐⭐⭐⭐

    Rachel Collins — Raleigh, North Carolina

    I needed supplies for repairing and refinishing weathered wood around my porch. FixTimber offered a helpful range of preparation, repair, and finishing products that suited different stages of the project. The items helped make the work feel more organized and manageable.

FAQ

What types of products does FixTimber offer?

FixTimber offers supplies for repairing, reinforcing, sealing, weatherproofing, preparing, and finishing wood-frame homes. Our collections include wood repair compounds, adhesives, fasteners, structural hardware, exterior hardware, weatherproofing materials, finishing products, and repair tools.

How do I know whether a product is suitable for my project?

Review the product description, intended application, dimensions, materials, compatibility information, and installation requirements before ordering. If you are uncertain, contact us with details about your project and the product you are considering.

Are your products suitable for outdoor use?

Some products are designed for exterior applications, while others are intended only for indoor or protected areas. Check the individual product page for information about weather resistance, moisture exposure, temperature limits, and suitable surfaces.

Can I use these products for structural repairs?

Certain fasteners and connectors may be intended for structural applications, but suitability depends on the building design, load requirements, local codes, and installation method. Structural repairs should be evaluated and completed by a qualified professional when appropriate

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Instructions may be included with certain products or provided on their product pages. Instructions and accessories vary by manufacturer. Always follow the supplied directions and applicable safety requirements

How can I choose the correct size of hardware or fastener?

Measure the relevant lumber, opening, connection, or existing component carefully. Compare those measurements with the dimensions and specifications shown on the product page. Do not select structural hardware based on appearance alone.

Will product colors and wood finishes look exactly like the images?

Colors may appear different because of lighting, screen settings, wood species, surface preparation, and application method. Test stains, fillers, waxes, oils, and coatings on a small inconspicuous area before completing the entire project

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Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, time limits, exclusions, and instructions may vary, so review the policy before opening, installing, mixing, or using a product.

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Email us at dovguorveethar@gmail.com or call +1 (936) 260-5549. When contacting us about an order, include your order number and a brief description of your question so we can assist you more efficiently.