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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.

Product ID: 414239646

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Details

Material
Zinc
Fastener Type
Cage Square
Thread Size
10
Exterior Finish
Zinc
Colour
red and purple
Metal Type
Alloy Steel

🌍Trusted worldwide

🔩Supports 44 lbs load

⚙️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

🔧 Mount smarter, not harder — the future of server racks is here!

EFFORTLESS TOOL FREE - Secure your equipment in under 45 seconds—no screwdrivers or cage nuts needed, perfect for solo pros.
GLOBAL DATA CENTER STANDARD - Join over 1.5 million users worldwide who trust Rackstuds for durable, reliable rack mounting.
UNMATCHED STRENGTH SAFETY - Engineered to hold up to 20 kg (44 lbs) while protecting sensitive hardware from damage and electrical hazards.
REVOLUTIONIZE YOUR RACK SETUP - Upgrade your 19” server racks with Rackstuds for a 30% faster, tool-free installation experience.
DUAL SIZE COMBO FOR ULTIMATE COMPATIBILITY - Includes red and purple studs to fit a wide range of 19” rack rails from top brands like Chatsworth and Legrand.

Rackstuds Series II 40-Pack Combo offers a universal, tool-free replacement for traditional cage nuts and screws in 19” server racks. Designed for faster installation with 30% improved efficiency, these zinc alloy studs support up to 44 lbs, ensuring secure and damage-free mounting. Trusted globally by data centers and IT professionals, this combo pack includes two sizes/colors to fit a broad range of rack rails, making it the go-to solution for modern, hassle-free equipment management.

Specifications

Material	Zinc
Fastener Type	Cage, Square
Thread Size	10
Exterior Finish	Zinc
Colour	red and purple
Metal Type	Alloy Steel
Finish Type	Powder Coated
Brand	Rackstuds
Thread Type	Metric
Inside Thread Size	M 10
Thread Style	Right Hand
Thread Coverage	Unthreaded
Thread Class	Class 8
Size	40 Pack Sample
Item Diameter	2.2 Millimetres
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

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€ 348.46

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TrustScore 4.5 | 7,300+ reviews