Knurled nuts
| Product Number | ALMA1190007 |
| Description | Knurled Nuts |
| Specifications | M3X5X4 |
| Material | Brass C3604 |
| Surface Treatment | Passivated Natural Color |
| Application Industries | 3D Printing |
OEM Fastener Manufacturer for Screws, Bolts, Rivets & CNC Custom Parts
AOYI provides a full range of screws, bolts, studs, rivets, and CNC custom parts for industrial applications. With strong manufacturing capabilities and OEM/ODM support, we deliver reliable fastening solutions that meet diverse engineering and production needs across global markets.
| Product Number | ALMA1190007 |
| Description | Knurled Nuts |
| Specifications | M3X5X4 |
| Material | Brass C3604 |
| Surface Treatment | Passivated Natural Color |
| Application Industries | 3D Printing |
| Product Number | AJMA0420012 |
| Description | Internal hexagon socket set screw |
| Specifications | 1/2-20TX11.5 |
| Material | SUS304 |
| Surface Treatment | Passivated, natural finish |
| Application Industry | Doors and windows |
| Product Number | ALMA0420001 |
| Description | External hexagonal nuts |
| Specifications | 8x11.9 |
| Material | 1215 |
| Surface Treatment | Environmentally friendly color zinc |
| Application Industry | Doors and windows |
Press on Studs(also known as Press-on Stud or Press in Studs)are mechanical fasteners designed to be permanently installed into metal or sheet materials through a pressing process rather than traditional threading or welding.
| Product Number | AMSA0420001 |
| Description | Mother nail |
| Specifications | 5.43X3.1+7.52X44.45 |
| Material | 1018 |
| Surface Treatment | True Colors |
| Application Industry | Doors and windows |
| Product Number | ALZA1190007 |
| Description | Straight Knurled Double-Ended Stud (18 teeth) |
| Specifications | M2X20X3 |
| Material | Brass C3604 |
| Surface Treatment | Passivated, Natural Finish |
| Application Industry | 3D Printed |
| Product Number | ALSA1190084 |
| Description | Cylindrical Head Hex Socket Machine Screw Stud |
| Specifications | M3X21.2 HM |
| Material | SUS410 |
| Surface Treatment | Bright Quenched and Passivated |
| Application Industry | 3D Printed |
| Product Number | ALSA0570043 |
| Description | M5x52 Double-ended bolt, with Loctite 180° threadlocker, Part Number: 500100441 |
| Specifications | M5X52 |
| Material | 10B21 |
| Surface Treatment | Black zinc-nickel alloy + anti-loosening blue adhesive |
| Application Industry | electrical appliances |
| Product Number | ALSA0110057 |
| Description | Cup-head internal hex bolt, machine semi-threaded type, M6X90.2-1215-environmentally friendly blue zinc, 03-B0225-01 |
| Specifications | M6X90.2 |
| Material | 1215 |
| Surface Treatment | Environmentally friendly blue zinc |
| Application Industry | connectors |
| Product Number | ALSA0050001 |
| Description | Hex socket head bolt |
| Specifications | 4X104.3 |
| Material | Stainless steel 304 |
| Surface Treatment | Cleaning + Head mirror polishing |
| Application Industry | CNC + Stamping |
| Product Number | ALZA1190024 |
| Description | ALZA1190024 M2X6X3-Brass C3604-Passivated Natural Color-Straight-Knot Double Stud |
| Specifications | M2X6X3 |
| Material | Brass C3604 |
| Surface Treatment | Passivated natural color |
| Application Industries | 3D printing |
| Product Number | ALSY0220011 |
| Description | M4.0X32 CM SUS304 Passivated Bright Nickel Flat Head Hex Socket Screw |
| Specifications | M4X32 |
| Material | SUS304 |
| Surface Treatment | Cleaned to its original color |
| Application Industries | Bicycle |
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With 18 years in the shaft components industry, Mengpeng covers 80% of market demand and serves over 800 clients, including renowned brands like Huawei, Lenovo, Mindray, and Volkswagen.
Making every rotation smoother and every detail more precise—follow Mengpeng Hardware to explore more possibilities for shafts.
We provide comprehensive customization services for materials, dimensions, tolerances, and surface treatments to meet the high-standard requirements of industries such as consumer electronics, medical devices, and automotive.
With a stock of 90 million standard parts, we support same-day order placement and next-day delivery, ensuring smooth production schedules and minimizing waiting times for our customers.
We offer product selection guidance, process optimization, installation assistance, and application solutions to help customers improve R&D efficiency and reduce production risks.
Washer tolerances can be controlled within 0.03–0.05mm (Higher precision can be achieved at 0.01-0.02mm.), supported by a complete inspection system to ensure every batch of products is stable, reliable, and compliant with industry standards.