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expired Posted by phoinix | Staff • Feb 23, 2024

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expired Posted by phoinix | Staff • Feb 23, 2024

BOSCH Fractional Jobber Black Oxide Drill Bit (various sizes)

$0.65

$3.19

79% off

Amazon

13 Comments 10,825 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 7/13/2025, 11:12 PM

Sold By	Sale Price
Amazon	$5.14

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12 Comments

compu_tip

Feb 23, 2024

168 Posts

Joined Jun 2015

Feb 23, 2024

compu_tip

Feb 23, 2024

168 Posts

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

BigBG

Feb 24, 2024

949 Posts

Joined Mar 2023

Feb 24, 2024

BigBG

Feb 24, 2024

949 Posts

Weirdo buncha bits

CheapBasturd

Feb 24, 2024

169 Posts

Joined Jun 2011

Feb 24, 2024

CheapBasturd

Feb 24, 2024

169 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

55 Posts

Joined Aug 2017

Feb 24, 2024

sweerek

Feb 24, 2024

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

Expert

This user is an Expert in Home & Home Improvement

Feb 24, 2024

4,757 Posts

Joined Oct 2013

Feb 24, 2024

wherestheanykey

Expert

This user is an Expert in Home & Home Improvement

Feb 24, 2024

4,757 Posts

Killer price for black oxide.

Unfortunately, life is too short to not use carbide.

JDM1457

Feb 24, 2024

217 Posts

Joined Nov 2017

Feb 24, 2024

JDM1457

Feb 24, 2024

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

6,795 Posts

Joined Oct 2014

Feb 24, 2024

firebirdude

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This user is an Expert in Home & Home Improvement

Feb 24, 2024

6,795 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

144 Posts

Joined May 2020

Feb 24, 2024

SensibleGiraffe645

Feb 24, 2024

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

240 Posts

Joined Jul 2007

Feb 24, 2024

sunlilypad

Feb 24, 2024

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

6,440 Posts

Joined May 2004

Feb 24, 2024

lobo411

Feb 24, 2024

6,440 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

354 Posts

Joined Apr 2015

Feb 24, 2024

Surferdudemi

Feb 24, 2024

354 Posts

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

gobblygook

Feb 24, 2024

2,529 Posts

Joined Jan 2007

Feb 24, 2024

gobblygook

Feb 24, 2024

2,529 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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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

$3.19

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