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  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.
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Return policy: Returnable until Jan 31, 2023
For the 2022 holiday season, returnable items purchased between October 11 and December 25, 2022 can be returned until January 31, 2023. You may receive a partial or no refund on used, damaged or materially different returns.
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3 Year Home Improvement Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.

4 Year Home Improvement Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.
FREE delivery Tuesday, December 13
Only 18 left in stock - order soon.
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Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

4.5 out of 5 stars 62 ratings

-50% $34.95
List Price: $70.00

The List Price is the suggested retail price of a new product as provided by a manufacturer, supplier, or seller. Except for books, Amazon will display a List Price if the product was purchased by customers on Amazon or offered by other retailers at or above the List Price in at least the past 90 days. List prices may not necessarily reflect the product's prevailing market price.
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#9 (7/8" + 1-1/8")
High Speed Steel

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  • Single-flute cutting edge for greater control through steps
  • SpeedPoint tip penetrates fast and helps prevent walking
  • Hex shank helps prevent slipping in the drill chuck
  • IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates
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Customer ratings by feature

Durability
4.6 4.6
Value for money
4.0 4.0

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Frequently bought together

  • Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)
  • +
  • IRWIN Step Drill Bit, 3/16-Inch to 7/8-Inch, 3/8-Inch Shank (10234)
  • +
  • IRWIN Step Drill Bit, 1/8-Inch to 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver metallic
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WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

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  • Compare with similar items


    Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)
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    Milwaukee 48-89-9212 Step Bit #12 7/8" - 1-3/8"
    IRWIN Step Drill Bit, 1/8-Inch to 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver metallic
    Step Drill Bit Set, Hss, 1/8-1-3/8 In, 4 Pc
    Customer Rating 4.5 out of 5 stars (62) 4.7 out of 5 stars (318) 4.4 out of 5 stars (70) 4.6 out of 5 stars (347) 5.0 out of 5 stars (26)
    Price $34.95 $45.00 $35.00 $19.87 $168.95
    Sold By Click Surf Shop LFK CLOTHES AND GOODS Broward Exchange Z Pan David's Tools
    Number of Items 1 1 1 1 1
    Voltage 0 volts 0 volts 0 volts 0 volts 0 volts

    Product Description

    Product Description

    This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank helps prevent slipping in a drill chuck. Use this reliable drill bit to drill holes into thin materials like stainless-steel, copper and more.

    From the Manufacturer

    UNIBIT 9 2 Hole Sizes (7/8" and 1-1/8" )for 1/2" and 3/4" KO

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    Product Warranty: For warranty information about this product, please click here

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    Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)


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    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    62 global ratings

    Top reviews from the United States

    Reviewed in the United States 🇺🇸 on April 30, 2022
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    One person found this helpful
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    Reviewed in the United States 🇺🇸 on March 13, 2022
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    One person found this helpful
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    Reviewed in the United States 🇺🇸 on November 21, 2021
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    Reviewed in the United States 🇺🇸 on December 31, 2020
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    One person found this helpful
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    Reviewed in the United States 🇺🇸 on October 1, 2016
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    Reviewed in the United States 🇺🇸 on April 4, 2012
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    Reviewed in the United States 🇺🇸 on December 6, 2015
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    One person found this helpful
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    Reviewed in the United States 🇺🇸 on March 9, 2019
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase

    Top reviews from other countries

    jacques cote
    5.0 out of 5 stars Trou jusqu'à 1 1/8!!!
    Reviewed in Canada 🇨🇦 on May 22, 2020
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase
    Amazon Customer
    5.0 out of 5 stars Five Stars
    Reviewed in Canada 🇨🇦 on October 1, 2017
    Size: #9 (7/8" + 1-1/8")Style: High Speed SteelVerified Purchase