what is the difference between the black blades & the silver blades?

The 'silver' blades will be a high carbon stainless steel probably along the lines of 440c, the 'black' blades will be a true high carbon Steel long the lines of 1050 or 1095 series. Though stainless steel has come a long way true high carbon steel will take a sharper edge and hold it longer in use. The silver color is natural to steels stainless or high carbon..... The black color is due to a surface treatment called bluing traditionally used on fire arms to protect them from sweat and natural acids of human skin.

Are these blades safe to cut on glass?

You can only cut glass with the first blade. It’s where you see the half moon cut out. That’s for cutting glass or hard plastic and acrylic. Though I would recommend getting an actual glass cutter. But if you do use this don’t use the side with the blade that’s too thin and not intended for glass. The side with the crescent moon, which gives the blade two pointS to have contact on the glass with is what you are suppose to use. Once you break off the first tip you won’t be able to use it for cutting glass. It has to be a new blade and the first tip. Also I hope you are using a tool and not just the blade, you will slice yourself if you don’t use the blade without a holder. Good luck.

Are these an equivalent to Hyde Tools 42345?

Yeah, all those snap off 9mm blade holders are compatible with all 9mm blades. These NT CUTTERS are nice, and another nice Japanese brand is OLFA. They both make 9mm blades too with a 30 degree tip so they actually have a pointy tip like your traditional pocket knife.

What is the difference between the bd-1800 and bd-2000 blades?

We would like to answer to your question as an NT’s authorized distributor in the USA. Both BD-1800 (silver blade) and BD-2000 (black blade) are 30 degree blades that made of high quality carbon tool steel. BD-2000 (black blade) has an extra process called ‘Bluing Process’ that gives an oxide coating with blue/black appearance and protects from rusting. With even more steps taken during the finishing process, the cutting edge of BD-2000 (black blade) has even finer sharpness than BD-1800 (silver blade). BD-2000 (black blade) is recommended for professional use only due to its fine delicate edge. Hope this helps.

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⚡ Cut sharper, last longer, craft smarter.

SNAP GO EFFICIENCY - Ultra-sharp snap-off design means you’re always cutting with a fresh edge—no downtime, no dull moments.
BULK PACK CONVENIENCE - 50 blades in a sleek hanging container—perfect for artists, wallpaper pros, and hobbyists who demand reliability and volume.
FEATHER LIGHT PRECISION - At just 0.25mm thin, these blades deliver razor-sharp, virtually invisible cuts for flawless craft and professional projects.
RUST PROOF BLACK BEAUTY - Unique bluing oxide coating ensures long-lasting durability and corrosion resistance, keeping your blades pristine.
CRAFTED IN JAPAN EXCELLENCE - Meticulously engineered with premium carbon steel and lapping sharpening for unmatched edge retention and smooth cuts.

NT Cutter’s 9mm black snap-off blades combine ultra-thin 0.25mm carbon steel with a rust-resistant bluing process, delivering professional-grade sharpness and precision. Packaged in a convenient 50-blade container, these Japanese-made blades are ideal for artists, crafters, and installers seeking clean, invisible cuts on paper, vinyl, and more.

Reviews

D**R

Great Blades!

Excellent quality and holds a great edge. The price is very reasonable too!

21.08.2025

J**S

Great blades that do the job

Good blades and lots of them. Now, I can actually snap them off when needed instead of holding out due to supply limitations. Fits and works great in my VVivid precision cutting tool.

11.07.2025

H**W

Incredibly Sharp and Precise!

The NT Cutter 9mm Snap-Off Precision Blades with a 30-degree angle are absolutely fantastic. These blades are incredibly sharp, making them perfect for precise cutting tasks. They stay sharp for a long time, which is great for detailed work.If you need reliable blades that offer top-notch sharpness and precision, these are definitely worth it. They make cutting a breeze and ensure clean, accurate cuts every time. Highly recommend for anyone needing sharp, dependable blades!

16.09.2024

T**T

Another Adam Savage recommendation

I am not using them in a wet environment so stainless is unnecessary. Again, these were a direct recommendation by Adam Savage on his YouTube channel. He should know as he has spent 1000s of hours working with foam, plastic sheets etc in his former profession and current hobby. Nothing beats the combination of price and quality for the sheer number of extremely sharp long lasting cutting edges. I find they are strong and flex, have never broke one on accident and I have no problem snapping the end because I line up a single blade and use a pair of flat nose pliers (duck bills') to break them off at the perfect angle.Unable to create a review for totally different item purchased in the same listing. So, I have also included photos of NT Cutter 9mm Snap-Off Extra-Sharp Precision Blades, 30 Degree, Black, 10-Blade/Pack, 1 Pack (BA15P), and the thin precision NT Cutter PRO Auto-Lock Stainless Steel Graphic Knife (AD-2P) they fit.

17.07.2023

M**L

Very sharp blades

Sharp blades !

21.04.2025

F**

Great blades

Goodl blades, will definitely keep buying more.

21.08.2025

A**R

Better than Olfa

I've been installing PPF for Crystal Shield for 17 years now. I greatly rely on quality blades for my installations especially when I cut on paint to score and tear the film. Have been using Olfa 30 degree and noticed that only the 2nd blade section was premium and the 1st, 3rd, 4th and 5th were not as good. I'm happy to report that these blades are twice as good as the Olfa blade. Do yourself a favor and get these better blades at a much better price!

5.03.2025

S**N

quality

very nice

19.09.2025

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Material	Alloy Steel
Brand	NT Cutter
Color	Black
Item Length	3.15 Inches
Handle Material	Plastic,Steel
Blade Material	Carbon Steel
Item Weight	0.08 Kilograms
Style	Black, Thin, Ultra Sharp 50-pack
Manufacturer	NT Incorporated
Item Weight	2.89 ounces
Item model number	BA-54P
Closure	snap
Material Type	Alloy Steel
Number of Items	1
Size	58 degree
Point Type	Fine
Ink Color	Blue
Manufacturer Part Number	BA-54P

NT Cutter 9mm Ultra-Sharp, Thin, Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BA-54P)

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