Will this allow a door to swing both ways like a saloon door?

Nope, mounting dictates which way it swings.

Are they inward or outward swinging hinges?

They are 90 degree, so you can use them as you need, inward or outward. just keep in mind the space you have.

What are the cutout instructions or does int come with a cutout pattern?

Mine did not come out with cut out instructions or a pattern. However it was not too hard to trace the outline of the hinge onto my door.

What is the material of construction? Are these appropriate for outdoor use?

seems to me like a cast aluminum. Not sure what the ratios may be to obtain a 40 lb hinge.

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Invisible Hinges Concealed Door Hinge Heavy Duty Hidden Hinge 3-D Adjustable - Black -1 Pair

Invisible Hinges Concealed Door Hinge Heavy Duty Hidden Hinge 3-D Adjustable - Black -1 Pair

Product ID: 146562247

Details

Brand
Alamic
Color
6"_Black_2
Finish Type
Black
Hole Count
8
Manufacturer
Alamic
Material
Metal

💪Supports up to 88 lbs per 2 hinges

🖤Sleek black finish for modern aesthetics

⚙️3-D adjustability ±3mm/±2mm/±1mm

NT$3726

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Description

🖤 Elevate your door game with invisible strength and sleek precision!

WIDE COMPATIBILITY - Fits doors 35mm thick and up to 850mm wide, perfect for contemporary interiors.
HEAVY DUTY STRENGTH - Robustly engineered to support doors up to 88 lbs, ensuring durability and reliability.
SEAMLESS CONCEALMENT - Invisible design hides all screws, delivering a clean, minimalist look that elevates any space.
PRECISION 3 D ADJUSTMENT - Fine-tune vertical, horizontal, and depth alignment effortlessly for a flawless fit.
COMPLETE INSTALLATION KIT - Includes mounting screws, adjustment tools, and clear instructions for hassle-free setup.

The Alamic Invisible Hinges are heavy-duty, 3-D adjustable concealed door hinges finished in matte black. Each pair supports doors up to 88 lbs, fits door thicknesses from 35mm, and opens to 180°. Designed for a clean, screw-free appearance, they come with all necessary mounting hardware and tools for precise installation.

Specifications

ASIN	B07SF612BQ
Best Sellers Rank	#447,287 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,934 in Door Hinges
Brand Name	Alamic
Color	6"_Black_2 Pack
Customer Reviews	4.4 4.4 out of 5 stars (161)
Finish Types	Black
Hole Count	8
Item Dimensions L x W	5.9"L x 2.51"W
Manufacturer	Alamic
Manufacturer Part Number	SDW3DCH04
Material Type	Metal
Maximum Weight Capacity	88 pounds
Model Number	SDW3DCH04
Mounting Type	Door Mount
Unit Count	1 Count

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NT$3726

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In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

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