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Views: 86559 Author: Rhinails-Z Publish Time: 2025-09-11 Origin: Site
Struggling to choose the right U-nails for your project?
As a leading manufacturer of industrial fasteners, Rhinails Fasteners decodes China GB standard U-nail series (10J, 4J, 10F, 80) with technical specs, real-world applications, and pro selection tips. Discover which series dominates your scenario!
Why GB Standard U-Nails?
GB (Guobiao) U-nails comply with China’s rigorous national standards (GB/T) for:
✅ Precision dimensions – Consistent shoulder width & leg length
✅ Carbon steel durability – Anti-corrosion coating options
✅ Load-bearing certification – Safe for structural applications
⚠️ Non-GB staples risk material damage or fastener failure!
Core Series Comparison: Technical Parameters
Data sourced from Rhinails Fasteners’ GB-certified production line:
| Series | Gauge (Wire Thickness) | Shoulder Width | Leg Length Range | Best For |
|---|---|---|---|---|
| 10J | 20 Gauge (Ø0.91mm) | 11.2mm | 4-22mm | General construction |
| 4J | 20 Gauge (Ø0.91mm) | 5.05mm | 4-22mm | Hidden fastening |
| 10F | 22 Gauge (Ø0.71mm) | 11.2mm | 4-13mm | Thin/delicate materials |
| 80 | 21 Gauge (Ø0.81mm) | 12.75mm | 4-16mm | Outdoor/high-stress zones |
Deep Dive: Series-Specific Applications
1. 10J Series Staples: The All-Rounder 
Technical Edge: 20Gauge strength + 11.2mm shoulder + 22mm max length
Top Uses:
Framing 12-18mm plywood (e.g., shed walls)
Securing door/window frames (use ≥16mm legs)
Pallet assembly & crate reinforcement
✅ Rhinails Pro Tip: Stock 10J in 14mm/18mm lengths for 80% of indoor projects.
2. 4J Series Staples: Invisible Fixing Expert 
Technical Edge: Ultra-narrow 5.05mm shoulder (disappears into surfaces)
Top Uses:
Veneer/laminate attachment (zero surface scarring)
Electronics chassis wiring clips
Model aircraft/craft assemblies
✅ Rhinails Pro Tip: Pair with 6-10mm legs for 1-3mm thin boards.
3. 10F Series Staples: Thin Material Specialist 
Technical Edge: 22Gauge micro-diameter (prevents MDF/particle board split)
Top Uses:
3-8mm back panels (IKEA-style furniture)
PVC ceiling panels & lightweight trim
Corrugated cardboard sealing (8mm legs ideal)
✅ Rhinails Warning: Avoid hardwood – 22GA legs may bend under high resistance.
4. 80 Series Staples: Outdoor Warrior 
Technical Edge: 21Gauge anti-rust base + 12.75mm max shoulder (270% grip boost vs. 4J)
Top Uses:
Decking/outdoor furniture (resists wood swelling)
Fence mesh & temporary barrier fixation
High-moisture areas (bathroom subfloors)
✅ Rhinails Pro Tip: Choose galvanized coating for coastal/chemical environments.
Why Choose Rhinails Fasteners’ GB U-Nails?
Laser-calibrated dimensions – ±0.1mm tolerance guaranteea.
Full GB compliance – Multiple inspection processes ensure product quality.
Global shipping – Custom packaging for OEM/wholesale.
