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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
OZRC M4 Hex Countersunk Head Screw Kit Carbon Bolt Nut Set 6mm-25mm 350pcsThis M4 hex countersunk screw kit provides a strong and reliable fastening solution for RC car assembly, maintenance, and upgrades. Manufactured from high strength 10. 9 grade carbon steel with a black oxide finish, these screws offer excellent durability and secure fastening while allowing a clean flush fit when installed in countersunk holes. Features Manufactured from 10. 9 grade carbon steel for high strength and durability Black oxide finish
This M4 hex countersunk screw kit provides a strong and reliable fastening solution for RC car assembly, maintenance, and upgrades. Manufactured from high-strength 10.9 grade carbon steel with a black oxide finish, these screws offer excellent durability and secure fastening while allowing a clean flush fit when installed in countersunk holes.
Features
- Manufactured from 10.9 grade carbon steel for high strength and durability
- Black oxide finish provides mild corrosion resistance in dry environments
- Countersunk flat head design allows screws to sit flush with the mounting surface
- Hex socket drive enables secure installation with reduced risk of stripping
- Suitable for RC car assembly repairs upgrades and custom builds
- Convenient mixed kit for hobbyists mechanics and RC enthusiasts
Specifications
- Brand: OZRC
- Screw Type: Hex socket countersunk flat head
- Thread Size: M4
- Material: Carbon steel
- Strength Grade: 10.9
- Finish: Black oxide
- Total Quantity: 350 pieces
Includes
- M4 x 6mm screws 20pcs
- M4 x 8mm screws 20pcs
- M4 x 10mm screws 20pcs
- M4 x 12mm screws 20pcs
- M4 x 14mm screws 20pcs
- M4 x 16mm screws 20pcs
- M4 x 18mm screws 20pcs
- M4 x 20mm screws 20pcs
- M4 x 25mm screws 20pcs
- M4 nuts 180pcs
- 2.5mm hex key 2pcs
Important Notes
- Screw length is measured from the top of the head
- Black oxide finish provides mild corrosion resistance and is best suited for dry environments
- Designed primarily for RC vehicles but suitable for other hobby and light mechanical applications
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Great quality Cabin and air filter bundle pack. Very solid quality.
Size: 18-22 1.5L, Size: 18-22 1.5L
First off, I like that it's a combo pack instead of me having to buy each one individually and being able to change both at the same time. Now, I must say the quality of both of them is fantastic; I'm really impressed. It's not made out of cheap junk; it feels solid and seems like it will do a good job filtering out all the debris and dirt. It was extremely easy to install and fit perfectly like an OEM air filter and cabin air filter on my Honda Accord. The cabin air filter is definitely a solid piece, and you don't have to worry about it getting crushed or deforming as it's padded, I would assume the reason for the padding on the side of the cabin air filter is that no debris or dust sneaks through which gives it a snug fit which is very smart honestly. The same applies to the air filter that goes under the hood; it definitely feels like a quality piece.
A quality filter definitely keeps outside odors and smells from coming inside the cabin, allowing you to get fresh, clean air when you turn your AC on.
Overall, definitely a solid purchase, and I will definitely be back to buy this exact bundle pack in the future as it's well-built and fits like a glove. So, you're definitely getting great value for your money with this specific engine and cabin air filter combo pack.
There are a lot of garbage ones out there, so if it were flimsy and felt like a cheap filter, I would be giving this one or two stars. But I'm actually quite impressed with this company, and it seems to be doing a fine job. My AC does work better after installing these new filters, and of course, the car runs better with the air filter installed.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Good Fit & Quality
Size: 14-22 2.0L hybrid, Size: 14-22 2.0L hybrid
This set which includes both the engine and cabit air filters are of good quality and fits my 2020 Honda Accord Hybrid well. The engine filter feels sturdy and well built. The cabin filter, although without charcoal infusion, has many folds which is more important when it comes to effective filtering of particles. The installation was easy and for the set, this set offers a good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Perfect fit!
Size: 14-22 2.0L hybrid, Size: 14-22 2.0L hybrid
This is a good value for a combo package which includes a cabin air filter as well as the engine air filter. Both filters were a perfect fit in my 2019 Honda Accord hybrid. The cabin air filter airflow direction is clearly labeled and the pleats are sturdy. Installation was super easy- just drop the glove box cover, pop the cabin filter cover plate, pull out the grungy old filter and pop in the new one. Easy peasy. The engine air filter is also a perfect fit. No complaints or concerns here.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Perfectly Fine and Inexpensive
This off-brand filter was $10 cheaper than the local auto store, nearly $20 cheaper than the dealership, and meets the original OEM requirements. My husband is an ASE certified master technician and does all of our car maintenance and repair work himself and purchasing this filter rather than getting the filter from the dealership or the local auto store saved us a good bit of money and it is the same quality. Just make sure that the OEM number is correct for your vehicle and you have nothing to worry about.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
Easy to install
Very easy to install this engine filter and checking the compatibility with my car was super easy too. I took me about 5 minutes to look up, learn, and install this. Loved that I saved money by installing it myself instead of getting overcharged but the shop. Works for a 2017 Honda Fit.
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Reviewed in the United States on September 12, 2025
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