SUS304 Stainless Steel Single End Hex Standoff Male Female Thread Spacer M2-M8 UNC for PCB Chassis Electronic Fastener
Single-end Structure: One end external thread, one end internal blind thread,hex body for wrench locking, fast spacing assembly for PCB, chassis.
Double Thread Standard: Metric(M2~M8)+UNC coarse thread(1/4-20,5/16-18,3/8-16),conform DIN & ANSI standard, smooth thread without slipping.
Custom OEM Available:custom length, special thread & non-standard size per your drawing, CNC precision processing.
Wide Application & Factory Direct Price,for electronics, instrumentation, automation equipment, control cabinet fixing.
- Quality assured: strict inspection, stable export
- Non-standard custom: made to drawings, flexible
- Fast delivery: in stock, reliable lead time
- Professional service: 20+ years, full support
Product Overview
Lingfeng Precision Industry’s high-precision stamping dies and fasteners are made from premium tool steel (SKD11/DC53) and advanced heat treatment processes, offering high wear resistance, long service life, and micron-level accuracy. Widely used in automotive body structures, electronic connectors, aerospace fasteners, and EV battery components, ensuring consistency and reliability for every stamped part and fastener.

Applications
Lingfeng Precision provides full technical support and custom services – from die design, CAE analysis, tryout, to mass production – for various stamping and fastener project requirements.
Precision stamping dies for automotive structural parts (doors/seats/chassis)
Micro stampings & precision fasteners for electronics (M1.2~M6)
High-strength aerospace fasteners (titanium / Inconel)
Heavy-duty industrial stampings (8~25mm thickness)
Anti-vibration fasteners & connectors for EV battery systems
Progressive dies & stampings for automation equipment

Applications
Product specifications
Stable performance and reliable precision, fully meeting automated mass production needs.
Die material: SKD11 / DC53 / Carbide / Powder metallurgy high-speed steel
Stamping tolerance: ±0.005mm ~ ±0.01mm (depending on material thickness)
Fastener strength grade: Grade 8.8 / 10.9 / 12.9 / 14.9
Fastener size range: M2 ~ M30, length 5~200mm
Surface finish: Eco-friendly zinc plating, Dacromet, black oxide, phosphating, Zn-Ni alloy
Die life: 2 – 5 million strokes (depending on material & speed)










