Product Description Manufactured using high-precision cold-heading technology, the threads are pre-applied with a specialized leak-proof sealant. Upon tightening, the adhesive layer is compressed to fill the thread gaps, achieving the dual ...
The pre-applied-adhesive sealing bolt is formed by high-precision cold heading, with a special anti-leak sealing adhesive pre-coated on the thread. After tightening, the adhesive layer is compressed and fully fills the thread clearance, delivering mechanical locking together with thread sealing and corrosion protection — ideal where threaded holes are exposed to liquid or dust. (Sealing level to be confirmed by actual application testing.)
| Material | High-strength alloy steel |
| Surface treatment | Black oxide / zinc plating / zinc-nickel alloy (optional) |
| Standard | Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; Mechanical properties GB/T 3098.1 (ISO 898-1); Thread sealing and corrosion protection (sealing level per actual application testing); Pre-applied sealant per company standard |
| Application | Waterproof sealed fastening where threaded holes are exposed |
| Anti-loosening method | Pre-applied thread adhesive |
| Sealing | Compressed leak-proof sealant |
| Ingress rating | Per actual application testing |
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