Are these left-handed drill bits as well? If not they should be a lot of time when the drill bit bites the screw comes out.

Just to clarify the 35 piece screw extractor set that comes in the large blue case, it has USA made multi spline hex extractors, USA made spiral extractors and LEFT HANDED cobalt drill bits "made in Italy". Amazon do you ever edit out wrong/contradicting/useless answers? If not then who does/can? Having to look at multiple pages of the same Chinese items, not different items, the exact same item shown multiple times per page on every page; having to shuffle through useless/wrong/contradicting answers and reviews from one extreme to the other just takes way to much time trying to buy something. Please let us or certain people remove the answers if you won't.

Can someone tell me where these are made, what does it say on the box? TY!

They seem to be made in several places, I assume the case was made in China. The left hand drill bits are stamped Brazil, and the extractors say USA.

Made in USA of "foreign components."

Are the bottom of the reverse drill bits hexagonal or smooth?

The reverse drill bit it smooth. The extractor is square.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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35 Piece Master Screw Extractor Set With Cobalt Bits

35 Piece Master Screw Extractor Set With Cobalt Bits

Product ID: 47970467

Details

Material
Cobalt Steel
Finish type
Cobalt Alloy
Shank type
Spline
Brand
IRWIN
Item dimensions L x W x H
30.7 x 19.8 x

🌀Aggressive spiral flutes for grip

🔩35 precision extractors & bits

⚙️Cobalt steel for max durability

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NZ$1144

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Unlock stuck screws like a pro—because your projects deserve the best!

INSTANT SIZE REFERENCE - Extractor & drill bit sizes etched on each tool for quick, no-guesswork use
GRIP THAT NEVER LETS GO - Left-hand spiral flutes dig deeper as resistance increases for effortless extraction
ORGANIZED READY TO GO - Compact plastic case keeps your tools neatly stored and travel-ready
BUILT TO LAST WITH COBALT - Premium cobalt alloy steel ensures long-lasting strength and corrosion resistance
MASTER EVERY JAMMED SCREW - 35-piece set covers all common sizes for ultimate versatility

This 35-piece screw extractor set features cobalt alloy steel bits designed to remove broken studs, bolts, and screws with aggressive left-hand spiral flutes that increase grip under pressure. Each tool is size-etched for easy identification, all housed in a durable plastic case for organized portability. Trusted by DIY pros and managers alike, it’s the ultimate toolkit upgrade for tackling tough hardware challenges.

Specifications

ASIN	B000EEX644
Best Sellers Rank	108,974 in DIY & Tools ( See Top 100 in DIY & Tools ) 855 in Drill Bit Sets
Brand	IRWIN
Customer Reviews	4.6 out of 5 stars 646 Reviews
Cutting Angle String	135 Degrees
Cutting Diameter	0.09 Inches
Cutting angle string	135 Degrees
Cutting diameter	0.09 Inches
Finish Types	Cobalt Alloy Steel
Finish type	Cobalt Alloy Steel
Global Trade Identification Number	00024721111357
Item Dimensions	30.7 x 19.8 x 5.8 centimetres
Item Weight	1.7 Grams
Manufacturer	Irwin Tools
Manufacturer Part Number	AHN-11135
Material	Cobalt Steel
Minimum Bore Diameter	0.08 Inches
Model Number	11135ZR
Number of Flutes	2
Number of Pieces	35
Point Style	Spiral
Set Name	Master
Shank Type	Spline
Shank type	Spline
Surface Recommendation	Metal
Tool Flute Type	Spiral
UPC	971473130818 791511182940 100067056931 024721111357 782386223401
Unit Count	1.0 count

Reviews

D**O

Todo bien, gracias...

11.10.2023

M**A

Good Quality

24.01.2025

A**R

Produto chegou conforme o anúncio ! 🇧🇷

Produto parece ser de boa qualidade, produto chegou conforme o anúncio. 🇧🇷

3.03.2026

A**R

Very good

Very good, recommend to buy.

11.06.2023

E**N

Excellent, effective set, a little expensive.

This set is awesome. I had several hex head screws that were thread locked and corroded in place on a sailboat prop that I was changing. I had tried several hardware store stripped screw extractors without success. I had used heat, penetrating oils and left cut drills without success. This set was a little pricey but it was that or take it to a “pro”. I had four screws which were stripped. I used the left drills and corresponding extractor and the screws were out in minutes. There was very little damage to the drills or extractor. The set is packaged well very straightforward and highly effective. If you need to remove stripped screws this set will work. However, don’t forget to use heat and to clear off the head of the screw.

14.11.2020

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