will these work on 1/4" corroded stainless steel screws?

I just tried to use them to remove some 1/4-20 stainless flat head screws that were corroded into a piece of aluminum. The #2 tool, which is spec'd for 1/4" fasteners, broke with very little effort. Since the heads were big enough, I then tried to use the #4 tool, which is supposedly strong enough to remove 3/8" fasteners, and it broke too. I don't expect miracles from these tools but I do expect that they would strip the fastener head before breaking themselves. I consider this a design flaw and would not recommend them for really tough jobs.

I can't figure out what grade bolts are for license plates. I have 4 of them with broken heads. Is this kit strong enough?

license plate bolts should not be any heavier than grade 4These extractors are the greatest, I removed broken steel bolts that the head had stripped out-follow the instructionsthey are amazing!!!!

Need this to take the bolts out from my fender. Is this strong enough?

They should be strong enough, I have never had a problem with any of the Grabit products. I have used it to pull out stripped bolts off my old motorcycle.

I have an interior threaded pipe I need to remove that is th edrain for my air compressor. I snapped it off. It's inside diameter 5/16".

5/16 is too large for these, a standard extractor is tapered it's entire length, these aren't.

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Alden 8440P Pro Grabit Broken Bolt and Damaged Screw Extractor 4 Piece Kit - Made in the USA

Alden 8440P Pro Grabit Broken Bolt and Damaged Screw Extractor 4 Piece Kit - Made in the USA

Product ID: 4353144

Details

Brand
ALDEN
Drive System
Phillips Hex
Finish Type
Steel
Item Length
4 inches
Number of Pieces
4

🎯Self-centering tip

🛠️2-in-1 drill & extractor

🇺🇸Made in USA, M2 HSS steel

₩99144

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Extract with confidence—because broken bolts shouldn’t break your flow.

NO PREP NO HASSLE - Forget grinding or center punching—this kit works straight out of the box for instant results.
EFFORTLESS ACCURACY - Self-centering drill tip prevents walking or wandering, ensuring pinpoint extraction every time.
DUAL ACTION PRECISION - Two-step drill bit and extractor combo eliminates the need for multiple tools, streamlining your workflow.
PROUDLY AMERICAN MADE - Manufactured in the USA, supporting quality craftsmanship and local industry.
BUILT TO LAST A LIFETIME - Crafted from premium M2 high-speed steel and backed by a lifetime warranty for unmatched durability.

The Alden 8440P Pro Grabit Kit is a 4-piece, American-made extractor set featuring a unique two-step drill and extractor tool with a self-centering tip. Made from premium M2 high-speed steel, it requires no bolt prep and is backed by a lifetime warranty, making it the go-to solution for professionals tackling broken bolts and damaged screws.

Specifications

ASIN	B001A4CWHO
Best Sellers Rank	#61,659 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #77 in Tap Extractors
Bit Compatibilities	drill
Bit Set Composition	Bit Set
Brand Name	ALDEN
Customer Reviews	4.2 4.2 out of 5 stars (1,487)
Drive Bit Application	metalworking
Drive Bit Shank Style	cylindrical
Drive System	Phillips, Slotted, Hex, Torx, Tri-Wing, Pozidriv, Frearson
Finish Types	Steel
Global Trade Identification Number	00727708084407
Included Components	Plastic Case
Item Length	4 inches
Manufacturer	Alden
Manufacturer Part Number	8440P
Manufacturer Warranty Description	90 day limited warranty.
Model Number	8440P
Number of Items	1
Number of Pieces	4
Set Name	Alden 8440P Pro Grabit Broken Bolt and Damaged Screw Extractor 4 Piece Kit
UPC	786830337782 795871624188 744211231548 727708084407
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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₩99144

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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