The M4 stud bolt is a small-diameter, fully threaded fastener designed for high-precision assembly tasks where space is limited and secure fastening is essential. With a nominal thread diameter of 4mm, M4 stud bolts are ideal for industrial, commercial, and DIY applications requiring reliable joint strength without bulk.
๐ฉ Product Specifications
- Thread Size: M4 x full length
- Thread Pitch: 0.7mm (standard metric coarse)
- Length Options: 10mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 100mm or customized
- Material Grades:
- Stainless Steel 304 โ General corrosion resistance
- Stainless Steel 316 โ Marine and chemical environments
- Carbon Steel (Grade 4.8, 8.8) โ Strong and cost-effective
- Alloy Steel (Grade 10.9, 12.9) โ High tensile strength
- Surface Treatment:
- Zinc plated (blue/white/yellow)
- Black oxide
- Passivated (for stainless steel)
- Plain finish
- Standard Compliance: DIN 938 / DIN 939 / DIN 940 / DIN 976 / ISO 898-1
- Thread Direction: Right-hand standard (left-hand optional)
- Ends: Chamfered or flat cut, depending on application
๐ Typical Applications
The M4 threaded stud bolt is commonly used in:
- Electronics:
- Mounting of PCB boards, control panels, and sensors
- Heat sink and housing attachment
- Industrial Machinery:
- Fastening of small motor parts, gears, and enclosures
- Precision tools and measuring devices
- Automotive:
- Interior panel and dashboard component fixing
- Engine covers and accessory brackets
- Furniture Assembly:
- Connectors for metal or composite parts
- Screws for brackets and sliding mechanisms
- Home Appliances:
- Fastening circuit units or mechanical linkages
- Construction Hardware:
- Used with anchors or inserts in lightweight framing
- Medical Devices:
- Lightweight corrosion-resistant joining for instruments
๐ฆ Packaging & Delivery
- Packaging:
- 1000pcs/poly bag โ 10 bags/carton
- Custom label or barcoding available
- MOQ: From 1,000 pcs (small batch supported)
- Lead Time: 7โ15 working days for common sizes
- Shipping Options: Express, air, sea, or DDP available globally
โ Why Choose Us?
- ๐ญ Factory Direct Supply โ No middleman markup
- ๐ ๏ธ Custom Specifications โ Diameter, length, material, and threading can all be tailored
- ๐ฆ Small Order Support โ Perfect for pilot runs, sampling, and niche applications
- ๐ Global Shipping โ Professional export experience and fast logistics handling
- ๐ Full Documentation โ Material certificates, test reports, and QC records available
The M4 threaded stud bolt offers the perfect balance of size, strength, and flexibility. Whether you’re working with precision instruments or assembling durable metal components, this compact fastener ensures safe, efficient, and repeatable installation.
๐ฉ Contact us for more information, free samples, or your custom quotation.