threadref.app
threadref.app is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-25 and last crawled it on 2026-08-25. It resolves to 172.67.199.77. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
ThreadRef - Thread & Fastener Reference
Thread and fastener reference for 228+ sizes: metric, Unified (UNC/UNF/UNEF) and pipe threads with tap drills, clearance holes, torque estimates and wrench sizes. Every value generated from the standard formulas. Free and private.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-25 |
| Last crawled | 2026-08-25 |
| IPv4 | 172.67.199.77 |
| IPv6 | 2606:4700:3037::ac43:c74d |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |