Custom Y-Teeth Zipper Wire (#3 #4 #5) – Stainless Steel, Brass & Composite Copper Profile Wire

Description

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%.

Engineering Specifications

Product NamePreformed 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 ToleranceCross-section width, tooth thickness, and groove depth held within ±0.01mm
Material OptionsAustenitic 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 & SafetyFPD901/FPD902 non-magnetic grades 100% pass 8-level and 10-level garment needle detection (NC-A98); zero false alarms on EAS retail gates
Mechanical TemperSemi-hard (1/2H) / Hard (FH); optimized ductility for high-speed cold heading without cracking or burrs
Surface Finish & ColorBright 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 MOQ500 kg per specification (Trial sample spools available for mold testing)
Quality CertificationISO 9001:2015, IATF 16949, OEKO-TEX Standard 100, GRS Certified

Standard Y-Teeth Profile Dimensions & Application Guide

Zipper SizeTypical Wire Head WidthTooth Pitch CompatibilityRecommended MaterialsPrimary Garment & Luggage Applications
#3 Y-Teeth4.4mm – 4.6mmStandard / High DensitySUS304, FPD901, H65 BrassDresses, lightweight jackets, luxury pocket zippers, trousers
#4 Y-Teeth5.2mm – 5.4mmStandardFPD901, FPD726, Aluminum 5052Denim jeans, casual wear, medium handbags, boots
#5 Y-Teeth5.8mm – 6.2mmStandard / Heavy DutySUS304, FPD726, H68 BrassHeavy denim, leather jackets, travel backpacks, outdoor luggage
#8 Y-Teeth7.5mm – 8.0mmHeavy DutySUS316, FPD726, BrassMilitary gear, industrial workwear, motorcycle suits, heavy bags

Product Display & Packaging

Precision Y-teeth zipper wire cross section profile
Y-Teeth Profile — Precision Formed (±0.01mm Tolerance)
Coiled Y-teeth zipper wire on precision layer spools
Spool & Coil Packaging — Ready for Automated Punching
Y-teeth wire finished zipper application on garment
Finished Application — Smooth Meshing Metal Zipper Teeth

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

1. What tooth sizes do you offer for Y-teeth zipper wire?
We supply standard commercial #3, #4, #5, and #8 profiles. Custom cross-sections, head profiles, and groove dimensions can be custom-drawn to match your existing zipper punching tooling.
2. How does your non-magnetic zipper wire perform in garment needle detection?
Our FPD901 and FPD902 austenitic stainless steel grades undergo full solution annealing to completely suppress martensite transformation. They pass 8-level to 10-level Japanese NC-A98 needle detector calibrations without triggering false alarms.
3. What is the advantage of FPD726 composite copper zipper wire?
FPD726 features an outer copper/brass metallurgical layer bonded over an austenitic stainless steel core. It delivers the genuine warm visual finish of traditional brass zippers while providing superior structural tensile strength and saving 30%–40% in raw material cost.
4. What packaging options are available for automated production?
We provide DIN 200 and DIN 250 precision layer-wound plastic spools (15kg–25kg/spool) that ensure tangle-free feeding at up to 1,500 teeth/minute. Continuous jointless coils (50kg–100kg) are also available.
5. What is the MOQ and sample lead time?
Our standard production MOQ is 500 kg per specification. Trial sample spools (15kg–25kg) for tooling calibration and test-running on your punching machines can be dispatched within 3–5 working days.

📩 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.