304 Stainless Steel Flat Head Semi-Tubular Rivets DIN 7337 M3-M6

304 SS Flat Head Semi-Tubular Rivets - 100° Countersunk - DIN 7337 - M3 to M6 Sizes - Passivated

Corrosion-resistant semi-tubular rivets with 100° flat head. 304 stainless steel, hollow depth 1.5D. Sizes: Ø3-6mm. Passivated finish. For electronics, machinery & automotive. Custom lengths.

Achieve flush-surface fastening with **DIN 7337 compliant semi-tubular rivets** featuring a precision **100° flat head** and **controlled hollow depth** (1.5× shank diameter). Made from **A2-70 stainless steel (304)**, these rivets provide reliable clinching force for sheet metal, plastics, and leather assemblies. Passivated finish ensures corrosion resistance in industrial environments.

Primary Uses & Applications:

- Electronics chassis assembly
- Automotive interior trim
- Machinery guards & covers
- Leather goods & luggage hardware
- Signage mounting systems

How to Use:

1. Drill hole = shank diameter (e.g., Ø4mm hole for Ø4mm rivet).
2. Insert rivet through materials.
3. Place **flat die** under head.
4. Use **rivet setter** to compress hollow end into 1.5D mushroom shape.
5. Verify flush head seating.

Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equipment, auto parts, baby stroller accessories and other industries. Its main products include all kinds of iron, stainless steel, copper, aluminum and alloy Precision small screws, spring screws, loose screws, stainless steel screws, step screws, plum blossom screws, slender screws, anti-theft screws, non-standard customized screws, stainless steel rivets, shafts, pins, CNC parts and stamping parts. The first mock exam the second mock exam is two punch, two die four punch, three die six punch, four die four punch, six die six punch, die closing machine, part forming machine, automatic lathe, CNC lathe and so on, and the diameter is 1mm-20mm, the length is 1mm-300mm.

The company introduced imported automation equipment, combined with mature technology and precision equipment, to ensure product quality, control quality from the source, and adhere to technological innovation.

Our business philosophy is "integrity, innovation, efficiency, win-win", your satisfaction is our eternal pursuit, looking forward to become your sincere partner!    wechat:+8613423026460