Rackstuds Series II 40-Pack Combo, Both Sizes/Colors

Rackstuds Series II 40-Pack Combo, Both Sizes/Colors

Q: What kind of plastic are these? pla, abs, or pteg?

PLA, ABS or PTEG ain't going to cut it I'm afraid. While the bags are PTEG, the Rackstuds are made of Grivory, a metal replacement plastic often found in car door handles and wiper blade arms.

Q: Which version of rackstuds will fit the startech 4u 19" desktop open frame rack?

Sadly the holes on some of the Startech racks are too small for Rackstuds. Search Google for our post on this using Rackstuds and Startech as the keywords. You could try a sample pack that has both sizes/colors to test first if you like.

Q: are the samples the same quality materials as the actual 100 Pack ? Or they are just guide for figuring out the sizes

Thanks for your question. The samples are production parts and fit for field use. They just contain both sizes/colors along with eight nuts; four in black and four in turquoise so you can determine which size fits your rack best. In saying that, the new Series II Maroon studs fit 70~80% of the rails in the market.

Q: any reason why I should use the yellow lockwasher? It's hard for me to get them close together when I use those

Yes, because it's designed to hold the Rackstud in an open position so it doesn't fall through the hole. Just insert the Rackstud, place the yellow lockwasher on the correct way with the little extra bit facing the rack/Rackstud, mount your gear and then tighten the screw. It will force the little yellow bit in place. If you can't tighten it enough by hand use a screwdriver the first time to ensure proper seating of the yellow lockwasher.

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Product ID: 414239646

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Details

Material
Zinc
Fastener Type
Cage Square
Exterior Finish
Zinc
Colour
red and purple
Metal Type
Alloy Steel
Finish Type
Zinc-plated

🌍Trusted worldwide

🔩Supports 400+ lbs

⚙️30% faster install

Frequently Bought Together

Rackstuds 40C Series II - Rack Screws for Server Rack Rails 19" Square Punched Vertical Rails, Perfect Cage Nut Replacement, Rack Nuts, Rack Studs Rack Mount Screws - 80 Studs; 40 of Each Size/Color

Rackstuds DUO2 1RU Series II Rack Mount Solution - Effortless Alternative to Traditional Rack Screws and Cage Nuts & Server Rack Screws Ideal for Server Hardware Setup - 2-Pack, Universal Version

Description

🔧 Upgrade your rack game—fast, strong, and globally trusted!

SPEEDY SETUP - Tool-free installation in under 45 seconds—get your rack running faster than ever.
UNMATCHED STRENGTH - Engineered to hold over 400 lbs, ensuring rock-solid security for your critical gear.
EFFORTLESS EFFICIENCY - Eliminate cage nuts and screws for smoother, safer, and more reliable rack management.
SLEEK DURABLE DESIGN - Zinc-plated alloy steel finish resists wear and protects sensitive hardware.
GLOBAL DATA CENTER STANDARD - Over 1.5 million units sold and trusted by top data centers worldwide.

Rackstuds Series II 40-Pack Combo offers a universal, tool-free rack mounting solution designed for 19” server racks. With a zinc-plated alloy steel build supporting over 400 lbs, these studs speed up installation by 30% compared to traditional cage nuts and screws. Trusted by data centers worldwide and sold over 1.5 million units, Rackstuds deliver durable, hassle-free, and efficient server rack management.

Specifications

Material	Zinc
Fastener Type	Cage, Square
Exterior Finish	Zinc
Colour	red and purple
Metal Type	Alloy Steel
Finish Type	Zinc-plated
Drive System	Square
Brand	Rackstuds
Thread Type	Metric
Grade Rating	Industrial
Thread Style	Metric
Thread Coverage	Unthreaded
Thread Class	Class 8
Size	40 Pack Sample
Head Style	Flat
Item Diameter	2.2 Millimetres
Compatible groove diameter	2.3 Millimeters
Maximum Shear Strength	over 400 lbs
Number of Pieces	40
Global Trade Identification Number	09421903192172
Manufacturer	Rack Studs Limited
Item model number	RSL40C-S2
ASIN	B07W1KZXFL

Have a Question? See What Others Asked

What kind of plastic are these? pla, abs, or pteg?

Which version of rackstuds will fit the startech 4u 19" desktop open frame rack?

are the samples the same quality materials as the actual 100 Pack ? Or they are just guide for figuring out the sizes

any reason why I should use the yellow lockwasher? It's hard for me to get them close together when I use those

Common Questions

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