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expiredphoinix | Staff posted Feb 23, 2024 05:15 PM

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expiredphoinix | Staff posted Feb 23, 2024 05:15 PM

BOSCH Fractional Jobber Black Oxide Drill Bit (various sizes)

$0.65

$3.19

79% off

Amazon

13 Comments 10,909 Views

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Amazon has BOSCH Fractional Jobber Black Oxide Drill Bit (various sizes) on sale listed below for $0.67. Shipping is free w/ Prime or on $35+ orders.

Thanks to community member phoinix for finding this deal.

Available:

Editor's Notes

Written by johnny_miller | Staff

Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
If you're not a student, there's also a free 1-Month Amazon Prime trial available.
Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by phoinix | Staff

Editor's Notes

Written by johnny_miller | Staff

Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
If you're not a student, there's also a free 1-Month Amazon Prime trial available.
Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by phoinix | Staff

Deal Score

+24

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Price Intelligence

Model: BOSCH BL2147 1-Piece 5/16 In. x 4-1/2 In. Fractional Jobber Black Oxide Drill Bit for Applications in Light-Gauge Metal, Wood, Plastic

Deal History

Sort: Most Recent

Post Date	Sold By	Sale Price	Activity
03/06/24	Amazon	$0.65 frontpage	8

Current Prices

Sort: Lowest to Highest | Last Updated 9/17/2025, 10:24 PM

Sold By	Sale Price
Amazon	$3

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12 Comments

compu_tip

Feb 23, 2024 11:36 PM

180 Posts

Joined Jun 2015

compu_tipFeb 23, 2024 11:36 PM

180 Posts

Good deal. But I need 1/8". Not on sale. Darn.

BigBG

Feb 24, 2024 12:05 AM

1,051 Posts

Joined Mar 2023

BigBGFeb 24, 2024 12:05 AM

1,051 Posts

Weirdo buncha bits

CheapBasturd

Feb 24, 2024 02:24 AM

177 Posts

Joined Jun 2011

CheapBasturdFeb 24, 2024 02:24 AM

177 Posts

Quote from BigBG

Weirdo buncha bits

Agreed but lots of these sizes might not come in "drill bit kits" I think for the price it's worth it considering the brand

sweerek

Feb 24, 2024 02:28 AM

55 Posts

Joined Aug 2017

sweerekFeb 24, 2024 02:28 AM

55 Posts

Bosch has high quality bits but black oxide coating isn't as good as Ti.

Good deal for spares since most spare sets skip from 1/4 to 5/16

wherestheanykey

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This user is an Expert in Home & Home Improvement

Feb 24, 2024 03:48 AM

4,910 Posts

Joined Oct 2013

wherestheanykey

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This user is an Expert in Home & Home Improvement

Feb 24, 2024 03:48 AM

4,910 Posts

Killer price for black oxide.

Unfortunately, life is too short to not use carbide.

JDM1457

Feb 24, 2024 09:40 AM

217 Posts

Joined Nov 2017

JDM1457Feb 24, 2024 09:40 AM

217 Posts

Quote from wherestheanykey

Killer price for black oxide.

Unfortunately, life is too short to not use carbide.

for wood and plastic, oxide steel is perfectly acceptable. I'd agree (or even want cobalt) for metal applications.

firebirdude

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This user is an Expert in Home & Home Improvement

Feb 24, 2024 11:09 AM

6,912 Posts

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firebirdude

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Feb 24, 2024 11:09 AM

6,912 Posts

EDIT: Ok ok. My bad. "Jobber" means something COMPLETELY different in every other industry. It means someone or something that works "job-to-job". Not as in they move employment, but rather they only look forward one job at a time. Make the sale, buy the parts for that one job, complete said job, look for the next sale. No inventory kept on-hand. So someone might refer to that person as a jobber. OR sometimes parts that are sold in bulk, are bundled together specifically to do one complete install at a time. That would be a jobber pack.

Term has been around for many decades....

Last edited by firebirdude February 24, 2024 at 06:30 AM.

SensibleGiraffe645

Feb 24, 2024 02:10 PM

144 Posts

Joined May 2020

SensibleGiraffe645Feb 24, 2024 02:10 PM

144 Posts

Quote from firebirdude

"Jobber" means you use a new one every single job. AKA it dulls quickly.

This is absolutely not what "jobber" means in context to drill bits. Jobber is a specific design/size category for drill bits which has nothing to do with the longevity of the bit.

sunlilypad

Feb 24, 2024 02:16 PM

240 Posts

Joined Jul 2007

sunlilypadFeb 24, 2024 02:16 PM

240 Posts

Quote from firebirdude

"Jobber" means you use a new one every single job. AKA it dulls quickly.

Common drill bit lengths come in stub, jobber, taper,and long. Jobber is one of the most common lengths that you typically find.

lobo411

Feb 24, 2024 02:28 PM

6,441 Posts

Joined May 2004

lobo411Feb 24, 2024 02:28 PM

6,441 Posts

Gottem... Black oxide is fine. For wood, these will last forever. For mild steel, use drilling lube for best results.

Surferdudemi

Feb 24, 2024 03:41 PM

358 Posts

Joined Apr 2015

SurferdudemiFeb 24, 2024 03:41 PM

358 Posts

Looks like most are gone. The only size showing the cheap price now is 5/16

gobblygook

Feb 24, 2024 03:44 PM

2,541 Posts

Joined Jan 2007

gobblygookFeb 24, 2024 03:44 PM

2,541 Posts

Quote from lobo411

Gottem... Black oxide is fine. For wood, these will last forever. For mild steel, use drilling lube for best results.

We haven't had a deal on a 55 gallon drum of lube in a while.

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Home & Home Improvement Tools Drills & Power Tools Free Shipping with Prime Online Only DeWalt Amazon

BOSCH Fractional Jobber Black Oxide Drill Bit (various sizes)

$0.65

$3.19

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BOSCH Fractional Jobber Black Oxide Drill Bit (various sizes)

$0.65

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