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MINGSHENG
Revolutionize strap adjustability with our 20mm Metal-Plastic Tri-glide Buckle for Bag Strap, a hybrid engineering marvel combining high-strength zinc alloy metal frames (ZnAl4Cu1 composition) and reinforced POM plastic sliders (polyoxymethylene with 15% glass fiber reinforcement). Engineered to solve the common pain point of rigid strap adjustment, this buckle accommodates 15–25mm wide straps across backpacks, luggage, tactical gear, and everyday bags. Its three-bar sliding mechanism enables 360° multi-directional adjustment—vertical, horizontal, or diagonal—eliminating the need for tedious rethreading. The double-layer electroplating process (a 5μm nickel base coat + 3μm 24K gold topcoat) delivers 5+ years of corrosion resistance, while ergonomically designed thumb grooves with 0.5mm texture depth enable effortless one-handed operation. Balancing industrial-grade strength (120kg tensile load tested to ISO 898-1 standards) with lightweight construction (22g per unit), it’s the ideal choice for brands seeking durable hardware with customizable branding.
Parameter | Details |
Material | Zinc alloy (frame, ZnAl4Cu1), POM plastic (slider, 15% glass fiber reinforced) |
Size | 20mm (width) x 38mm (length) |
Strap Compatibility | 15–25mm webbing, leather, or nylon |
Closure Type | Tri-glide sliding mechanism |
Weight | 22g |
Finish | Polished gold, matte black, custom PMS colors (minimum 1,000 units) |
Certifications | CE, REACH-compliant (no phthalates or heavy metals) |
Multi-Directional Adjustment: The precision-machined three-bar design allows instant length changes in any orientation, reducing strap adjustment time by 70% compared to traditional buckles.
Hybrid Durability: The zinc alloy frame (Rockwell hardness 85 HRB) provides structural rigidity, while the low-friction POM slider (coefficient of friction 0.15) ensures smooth gliding even after 10,000+ cycles.
Brand Customization: Options include laser-engraved logos (up to 4 colors, 0.3mm depth) or silk-screened branding on the slider surface, with digital proofs provided within 48 hours.
Environmental Resistance: Tested to withstand 1,000+ bending cycles (ASTM D790 standard) and 500 hours of saltwater exposure (5% NaCl solution) without rust, cracking, or color fading.
• Outdoor Gear: Reinforce hiking backpacks, camping tent straps, or tactical vests where quick adjustment under load is critical.
• Travel Accessories: Integrate into luggage handles, duffel bag straps, or garment bags for on-the-go length customization.
• Fashion Accessories: Elevate leather handbags, vegan purses, or luxury tote bags with gold-plated finishes that complement premium materials.
Q: Can this buckle be used with synthetic leather?
A: Yes. The non-abrasive POM slider (surface roughness Ra 0.8μm) works seamlessly with polyurethane (PU) leather, PVC, and other synthetic materials without causing wear.
Q: What’s the minimum order quantity for custom colors?
A: MOQ is 500 units for standard finishes (gold, black); 1,000 units for custom PMS color matching, with a 2-week lead time for color calibration.
Q: Does the metal frame rust in humid environments?
A: No. The double-layer electroplating forms a hermetic corrosion-resistant barrier, tested to maintain integrity in 95% humidity for 12 months.
Strap Adjuster Buckles
Pin Buckles
Electroplated Colors
