Custom Y-Teeth Zipper Wire (#3 #4 #5) – Stainless Steel, Brass & Composite Copper Profile Wire
Precision Y-Teeth Zipper Wire (#3, #4, #5)
Engineered for High-Speed Zipper Stamping & Zero Jamming: Fullgreat Metal supplies preformed Y-teeth zipper wire engineered with tight cross-sectional tolerances (±0.01mm) to ensure flawless feeding in automated zipper teeth forming and intermeshing machines.
Developed in collaboration with Sichuan University, our proprietary FPD901/FPD902 non-magnetic stainless steel and FPD726 composite copper wires serve as high-strength, cost-effective alternatives to solid brass—delivering 100% compliance with 8-to-10 level garment needle detection while reducing material costs by 30%–40%.
- Raw Material Pairing: Sourced from our certified Non-Magnetic Stainless Steel Coils and Composite Copper Materials.
- Matching Stop Components: Explore matching Zipper Top & Bottom Stop Profile Wires.
- Technical Guide: Read our industry guide on Sourcing Non-Magnetic Stainless Steel for High-End Metal Zippers.
Engineering Specifications
| Product Name | Preformed Y-Teeth Profile Wire for Metal Zippers |
| Standard Tooth Sizes | #3, #4, #5, #8 (Standard commercial sizes; custom tooth profiles engineered per CAD/drawings) |
| Dimensional Tolerance | Cross-section width, tooth thickness, and groove depth held within ±0.01mm |
| Material Options | Austenitic Stainless Steel: SUS304, SUS316, and Non-Magnetic Grades FPD901 / FPD902 Brass Alloy: H65, H68 (CuZn35 / CuZn32) Bimetallic Composite: FPD726 Copper Clad Stainless Steel (Brass look with steel core strength) Aluminum Alloy: 5052, 5182 (Lightweight outdoor applications) |
| Needle Detection & Safety | FPD901/FPD902 non-magnetic grades 100% pass 8-level and 10-level garment needle detection (NC-A98); zero false alarms on EAS retail gates |
| Mechanical Temper | Semi-hard (1/2H) / Hard (FH); optimized ductility for high-speed cold heading without cracking or burrs |
| Surface Finish & Color | Bright Polished, Chemical Black, Antique Brass, Golden, Nickel-Plated, Zinc-Plated, or Custom Coated |
| Supply Packaging | • Precision Spool Packing: DIN 200 / DIN 250 plastic spools (15kg – 25kg / spool), precision layer wound, jointless • Continuous Coils: 50kg – 100kg coils wrapped in moisture-proof paper on seaworthy pallets |
| Production MOQ | 500 kg per specification (Trial sample spools available for mold testing) |
| Quality Certification | ISO 9001:2015, IATF 16949, OEKO-TEX Standard 100, GRS Certified |
Standard Y-Teeth Profile Dimensions & Application Guide
| Zipper Size | Typical Wire Head Width | Tooth Pitch Compatibility | Recommended Materials | Primary Garment & Luggage Applications |
|---|---|---|---|---|
| #3 Y-Teeth | 4.4mm – 4.6mm | Standard / High Density | SUS304, FPD901, H65 Brass | Dresses, lightweight jackets, luxury pocket zippers, trousers |
| #4 Y-Teeth | 5.2mm – 5.4mm | Standard | FPD901, FPD726, Aluminum 5052 | Denim jeans, casual wear, medium handbags, boots |
| #5 Y-Teeth | 5.8mm – 6.2mm | Standard / Heavy Duty | SUS304, FPD726, H68 Brass | Heavy denim, leather jackets, travel backpacks, outdoor luggage |
| #8 Y-Teeth | 7.5mm – 8.0mm | Heavy Duty | SUS316, FPD726, Brass | Military gear, industrial workwear, motorcycle suits, heavy bags |
Product Display & Packaging



Why Leading Zipper Manufacturers Choose Fullgreat
- Tight Dimensional Consistency: Wire shape and dimensions are strictly laser-gauged to ±0.01mm, eliminating die jams and high-speed punch breakage.
- Superior Meshing & Pull Strength: Calibrated ductility ensures smooth zipper slider glides with high lateral cross-pull strength, compliant with ASTM D2061 zipper testing standards.
- Proprietary Cost-Saving Alloys: Exclusive FPD901/FPD902 stainless and FPD726 composite copper formulations replace expensive solid brass while maintaining high aesthetic and anti-magnetic performance.
- Tangle-Free Continuous Spooling: Precision layer wound on standard DIN spools with jointless length, allowing continuous high-speed factory operation.
Y-Teeth Zipper Wire FAQ
📩 Request a Factory Quotation & Sample Spool
Contact our precision profile wire engineering team with your required tooth size (#3, #4, #5) and material grade. We provide CAD cross-section confirmations and trial spools within 24 hours.






