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BOSCH BL2735 1-Piece 1/8 In. x 12 In. Extra Length Aircraft Black Oxide Drill Bit for Applications in Light-Gauge Metal, Wood, Plastic

4.6 4.6 out of 5 stars 982 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Masonry Drill Bits by BOSCH

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1 Count (Pack of 1)

Purchase options and add-ons

Material High Speed Steel
Finish Type Black
Shank Type 3-Flat
Brand BOSCH
Tool Flute Type Spiral

About this item

  • Speed helix design for three times faster drilling than standard bits
  • Last 50 percent longer than high-speed steel
  • Easier drilling, reduced heat and extended drill bit life
  • Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
  • For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials

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Product details

  • Item model number ‏ : ‎ BL2735
  • Date First Available ‏ : ‎ May 30, 2008
  • Manufacturer ‏ : ‎ Bosch
  • ASIN ‏ : ‎ B001AHSVGM
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.6 4.6 out of 5 stars 982 ratings

Product Description

Product Description

The BOSCH line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. BOSCH black oxide bits offer superior durability, speed and selection to support most general-purpose applications.

From the Manufacturer

Bosch black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling. Use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials.


From the manufacturer

General purpose

Ideal for cutting thread holes into metal and work equally well in plastic drilling applications.

No skating

No Skate Tip helps reduce bit walking and eliminate the need for a center punch for clean & accurate starts.

Corrosion resistance

Black oxide coating provides corrosion resistance.

Various assortment

Available in Jobber Length, Stubby Length, Extended Length and 1/2'' reduced shank.

Black Oxide for general purpose drilling

(Also available at Impact Tough range)

Titanium for heavy duty repetitive drilling

(Also available at Impact Tough range)

Cobalt for heavy duty drilling in extremely hard or abrasive materials

Customer Reviews
Drill Bit Type Black Oxide Black Oxide Black Oxide Titanium Drill Bit Titanium Drill Bit Titanium Drill Bits
Model Number BL14 BL21A BL29 TI14 TI21A TI29
# of Pieces 14 21 29 14 21 29

What's in the box

  • BOSCH BL2735 1/8 In. x 12 In. Extra Length Aircraft Black Oxide Drill Bit
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    982 global ratings

    Customers say

    Customers like the quality, performance, value, sharpness, and ease of use of the drill bit. For example, they mention it works well, is good value for money, and stays sharp. Some appreciate the quick solution to a problem.

    AI-generated from the text of customer reviews

    37 customers mention30 positive7 negative

    Customers like the quality of the drill bit. They say it's a high quality drill, with many more jobs left in it. Some customers also say that the fluting is long, but the drill is strong and good for mild steel and wood. Overall, customers are satisfied with the quality and functionality of the product.

    "...I successfully drilled that hole, and this drill bit did not have any problems...." Read more

    "Solid option, first one broke and replaced with this one for the job at hand fabricating car parts on a frame Works well but could be a little..." Read more

    "For the price this is an excellent drill bit. I used this to drill pilot holes in a guitar body at a very flat angle and this did the job perfectly...." Read more

    "Perfect for spotting holes. I’m on my second one as the tip on my first one busted off...." Read more

    21 customers mention21 positive0 negative

    Customers are satisfied with the performance of the drill bit. They mention that it works well on wood and plastic, and is very good for the job. Some say that it's great for drilling even soft stone sculptures.

    "...with this one for the job at hand fabricating car parts on a frame Works well but could be a little sharper with cutting power on heavier steel." Read more

    "...It worked great for that purpose. Note, that only the first few inches of the bit has the cutter and the rest of the bit is just shaft...." Read more

    "...pilot holes in a guitar body at a very flat angle and this did the job perfectly. Not flimsy at all. Should hold up for a while...." Read more

    "Got it to drill deep pilot holes for screws when making wooden gates. Works fine." Read more

    13 customers mention13 positive0 negative

    Customers appreciate the value of the drill bit. They say it is a good bit for the money, with a balance of performance and price.

    "...how this compares to other, similar drill bits, but it was one of the cheapest options...." Read more

    "...In all, a good product for a good price." Read more

    "Just what I ordered and at a great price!" Read more

    "I had one hole drill and this was worth the price." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the sharpness of the drill bit. They mention that it stays sharp and doesn't snap. They also say that it doesn''t get blunt and that it makes good cuts.

    "The bit is sharp and made good cuts." Read more

    "...12mm bolts to go through, and should it hit a nail or bolt, it does not get blunt! Value for money and bang for your busk. Recommended." Read more

    "...Holes used to create passage for grease. The drill cut very well. Seems like high quality drill with many more jobs left in it." Read more

    "...It stayed sharp and didn't snap!" Read more

    4 customers mention4 positive0 negative

    Customers find the drill bit easy to use and a quick solution to a problem. They also say it goes straight through without issue.

    "The bit was a quick solution to a problem, so I wasn't too concerned about longevity...." Read more

    "Easy tu use" Read more

    "They do their job. Drill a hole, encounter a nail? Goes straight through no issue...." Read more

    "Easy to use..." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the durability of the drill bit. They mention that it gets dull after five uses.

    "It got dull after 5 uses drilling on acacia stump. Example of tree attached." Read more

    "Didn’t hold its edges well and is pretty dull after a half dozen holes for running cat5...." Read more

    "worked well for a couple if times on wood and dry wall but the tip got dull after that. not what i have come to expect from Bosch." Read more

    Durable with plenty of flex.
    5 Stars
    Durable with plenty of flex.
    Worked well on Alder wood and was more flexible than I thought which is a good thing at being only 1/8” in diameter. Worked perfectly for running a bridge ground wire on a P Bass guitar. Using it with a jig was essential for precision.
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    Top reviews from the United States

    Reviewed in the United States on February 6, 2013
    Size: 1 Count (Pack of 1)Verified Purchase
    11 people found this helpful
    Report
    Reviewed in the United States on March 11, 2024
    Size: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on January 21, 2024
    Size: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on June 28, 2022
    Size: 1/2 inVerified Purchase
    Reviewed in the United States on January 7, 2024
    Size: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on December 23, 2023
    Size: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on August 13, 2020
    Size: 1 Count (Pack of 1)Verified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on September 17, 2023
    Size: 1 Count (Pack of 1)Verified Purchase

    Top reviews from other countries

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    Armando GR
    5.0 out of 5 stars Muy bien.
    Reviewed in Mexico on January 17, 2020
    Size: 1 Count (Pack of 1)Verified Purchase
    One person found this helpful
    Report
    Leon Kowalski
    5.0 out of 5 stars Essential for drilling Guitar wiring routes - Bosch BL2735 Drill Bit
    Reviewed in the United Kingdom on December 9, 2018
    Size: 1 Count (Pack of 1)Verified Purchase
    2 people found this helpful
    Report
    Francisco Rodriguez
    4.0 out of 5 stars Buena erramienta!
    Reviewed in Mexico on November 4, 2023
    Size: 1/2 inVerified Purchase
    Vas
    5.0 out of 5 stars Good drill bit
    Reviewed in Canada on November 19, 2020
    Size: 1 Count (Pack of 1)Verified Purchase
    One person found this helpful
    Report
    Neil G.
    3.0 out of 5 stars Great if I purchased used
    Reviewed in Canada on July 5, 2022
    Size: 1 Count (Pack of 1)Verified Purchase
    Customer image
    Neil G.
    3.0 out of 5 stars Great if I purchased used
    Reviewed in Canada on July 5, 2022
    I'm sure the drill bit is great. Would have been greater if the packaging didn't look like it was opened. Possibly some one bought it and returned it after opening. For the same price, I could have just purchased it brand new at my local home hardware centre.
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