How do you remove the extractor from the fastener? Its seriously stuck now that it's done it's job

Put part in vise or vise grips, then turn extractor clockwise.

will this work on left handed treads?

No they are designed for right hand treads only

Are they really solid cobalt or just coated in cobalt?

In my experience, cobalt drill bits seem to be anywhere from 5% to a high of 8% cobalt (called m42) so I think you're very unlikely to ever come across solid cobalt bits. M42 bits are usually really good bits but they are normally pretty expensive. Nevertheless, I really would like to know what the percentage of cobalt is on this set because I didn't see it mentioned. Because broken bolts which need to be extracted can sometimes be made of pretty hard material, it would be really nice to find some good m42 left handed bits.

will it fit a laptop screw?

As it says the smallest size is 1/16". If the screw is smaller than that then the answer is "No". If I were drilling out the screw myself I would put that bit in a drill press to insure drilling completely vertical to the laptop.

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04204A Hex-Head Multispline Screw and Bolt Extractor Set, Easy-Out Screw Extraction, Broken Bolt Remover, Stripped Fastener Tool, 1/8 Inch to 7/8 Inch in 1/32-Inch Increments, CrMo, 25 Pieces

Product ID: 202084830

Details

Brand
Neiko
Cutting angle string
118 Degrees
Finish type
Steel
Material
Chrome Steel
Shank type
Hex

🌀Left-hand spiral teeth for grip

🔩25 precision sizes 1/8"–7/8"

⚙️CrMo steel for max durability

€ 201.67

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Extract with confidence—because broken bolts don’t stand a chance!

GRIP LIKE NO OTHER - Aggressive multiplane left-hand spiral teeth ensure faster, slip-free extraction every time.
ORGANIZED ON THE GO - Durable case keeps your set neatly stored and ready for any jobsite, garage, or home repair.
TORQUE READY HEX HEADS - Engineered hexagon heads deliver maximum torque with your wrench or socket—power in your hands.
PRECISION IN EVERY EXTRACTOR - 25 pieces from 1/8" to 7/8" in 1/32" increments—never be without the perfect fit.
BUILT TO OUTLAST THE TOUGHEST JOBS - Crafted from premium chrome molybdenum steel for industrial-grade strength and longevity.

The NEIKO 04204A Hex-Head Multispline Screw and Bolt Extractor Set features 25 precision-machined extractors ranging from 1/8" to 7/8" in 1/32" increments. Made from tough chrome molybdenum steel, each tool boasts aggressive left-hand spiral teeth for superior grip and faster removal of frozen, stripped, or broken screws and bolts. Designed with hex heads for maximum torque application, this set comes in a durable case ideal for professionals and DIYers tackling challenging fastener extractions.

Specifications

ASIN	B01KN9YVWA
Best Sellers Rank	588,098 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,962 in Taps & Dies
Brand	Neiko
Customer Reviews	4.4 4.4 out of 5 stars (1,253)
Cutting Angle String	118 Degrees
Finish Types	Steel
Global Trade Identification Number	00816914020672
Included Components	Extractor Set, Multi-Spline Screw Set
Item Length	1.06 Inches
Item Type Name	Hex Head Multi-Spline Screw and Bolt Extractor Set \| 25 Piece \| 1/8” to 7/8” in 1/32” Increment \| Cr-Mo
Manufacturer	Neiko
Manufacturer Part Number	1
Material	Chrome Molybdenum Steel
Model Number	04204A
Number of Flutes	2
Number of Packs	1
Number of Pieces	25
Set Name	25-Piece Set
Shank Type	Hex
Surface Recommendation	Metal, Concrete, Stone
Tool Flute Type	Spiral
UPC	816914020672
Unit Count	1.0 count

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€ 201.67

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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