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U Nails for Leather Craft Stitching – Precision Tip for Hand Tools
Product Spotlights
Engineered for leather professionals: Precision-tipped U nails feature high-carbon steel construction for exceptional durability and reduced stitching effort. Customizable dimensions (10-25mm length, 0.8-1.2mm diameter) with electro-galvanized corrosion resistance. Optimized bend angle (90°±2°) ensures secure hold without leather tearing. Manufactured with strict quality control in ISO-compliant facilities, supporting bulk orders with reliable global export through Qingdao Port.
Negotiable
MOQ: 5 Tons (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, High Carbon Steel
Point Type:
Precision Sharp Tip
Application:
Leather Craft Stitching
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
20 days
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Material
Other, High Carbon Steel
Point Type
Precision Sharp Tip
Application
Leather Craft Stitching
Surface Treatment
Electro-Galvanized (Optional)
Packaging
Cardboard Boxes (Customizable)
Compatibility
Hand Tools & Manual Stitching
Size Options
Customizable Length & Diameter
Product Model
UP Series Fasteners
As a specialized manufacturer since 2005, Linyi Power Metal Products Co., Ltd leverages its 1,000-3,000 sqm facility and decade-long expertise to produce premium U Nails for leather artisans. Our precision-engineered fasteners are designed to enhance hand-stitching efficiency for leather goods manufacturers worldwide, particularly serving markets across South America, Southeast Asia, and Africa. With an annual export value exceeding US$1 million, we understand the critical need for reliable stitching components in professional leatherworking.
Core Technical Advantages:
- Precision Tip Geometry: Laser-calibrated sharp points penetrate dense leather layers without splitting fibers, reducing stitching force by up to 40%.
- Material Integrity: High-carbon steel construction (HRC 45-50) ensures consistent hardness and springback properties for deformation resistance.
- Surface Optimization: Optional electro-galvanized coating provides corrosion resistance equivalent to 72hrs salt spray test (ASTM B117).
- Ergonomic Design: Balanced weight distribution minimizes hand fatigue during extended stitching sessions.
Technical Specifications:
| Parameter | Standard Range | Custom Options |
| Shank Length | 10-25mm | 5-40mm |
| Wire Diameter | 0.8-1.2mm | 0.6-2.0mm |
| Bend Angle | 90°±2° | 75°-110° |
| Tensile Strength | 1,200-1,400 MPa | On request |
Operational Benefits:
- Reduces leather puncture resistance by 35% compared to conventional tacks
- Maintains tip sharpness through 500+ stitching cycles (tested on 3mm veg-tan leather)
- Interchangeable with major hand tool brands including Osborne, Vergez Blanchard
- Minimal secondary finishing required due to burr-free manufacturing
Backed by our 51-100 skilled technicians and streamlined export operations through Qingdao Port, we guarantee consistent monthly capacity of 8M units with lead times under 21 days. Our quality control protocol includes 100% dimensional verification and batch tensile testing, ensuring every shipment meets technical specifications for professional leather workshops.
FAQ:
-
Q: Can these U nails be used with industrial sewing machines?
A: Designed primarily for hand stitching tools. Machine compatibility requires specific head design consultation. -
Q: What’s the minimum order quantity for custom sizes?
A: Standard MOQ is 50,000 pieces. Customization requires 100,000+ unit commitment. -
Q: Do you provide anti-corrosion packaging for humid climates?
A: VCI (Vapor Corrosion Inhibitor) packaging is available for Southeast Asia and coastal shipments. -
Q: How do your U nails prevent leather tearing?
A: Precision tapered points create clean puncture channels without lateral fiber stress. -
Q: Can I request mixed size packaging?
A: Yes, we offer assorted size kits in divisible inner boxes for craft workshops. -
Q: What quality documentation do you provide?
A: COA (Certificate of Analysis) with hardness and dimensional reports accompanies every shipment.
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1Yr
Business Type
Manufacturer
Year Established
2005
Factory Size
1,000-3,000 square meters
Annual Export Value
US$1 Million - US$1.5 Million
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