Premium Replacement Ink Refill for Smooth Office Writing
High-quality polymer-based ink core ensures consistent flow without smudging, ideal for exam documents and official paperwork. Precision-engineered tip (0.7mm) delivers ultra-fine lines with reduced hand fatigue during prolonged use. Compatible with most press-type ballpoint pens, including major OEM models.
Industrial-grade stainless steel ball bearing minimizes skipping for flawless signatures and legal forms. Oil-based ink dries instantly on standard copy paper, meeting archival standards. Bulk packaging (sold in sets) reduces per-unit cost for schools, government offices, and corporate procurement.
Ergonomic design supports 20% faster writing speed compared to conventional refills. Matte black finish prevents fingerprint marks in professional environments. Strict ISO 12757-2 compliance guarantees smear-proof performance for notarized documents.
Warehouse-direct pricing with MOQ flexibility for global distributors. Custom branding available for bulk orders exceeding 10,000 units. Ships in crush-proof recyclable tubes to prevent transit damage.
Core Specifications:
- Polymer hybrid ink reservoir (1.2ml capacity)
- Tungsten carbide ball (0.7±0.02mm tolerance)
- Operating temperature range: -30°C to 80°C
- Shelf life: 36 months in original packaging






























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Exam office signature special replacement core head neutral pen core press ballpoint pen to replace black core wholesale
$7.5$17.19-56.37%
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