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Airfasco
RX1-AN4-21
Bolt Drilled AN4-21
1.52 EUR/EA
Excluding VAT
Availability
70 EA ready to ship TodayOrder before 15:30 CET Today
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Up to 114 EA ready to ship on Thursday 2026-11-12Order before 15:30 CET Today
Up to 211 EA ready to ship on Monday 2026-11-16Order before 15:30 CET Today
477 EA available on request, inbound freight fee of 60 EUR appliesSpecial order from vendor stock.
Part numbers
- Roctexo
- RX1-AN4-21
- Manufacturer
- 09853-5
- Manufacturer / Vendor
- AN4-21
Product details
The Airfasco AN4-21 is a drilled-thread aircraft bolt for aerospace hardware applications requiring the AN4-21 configuration.
- Manufacturer: Airfasco
- Manufacturer part numbers: AN4-21; 09853-5
- Thread: 1/4-28 UNF-3A
- Material and finish: alloy steel, cadmium plated
- Drilled threads for cotter-pin retention arrangements where specified
- Nominal grip length: approximately 44.5 mm
- Nominal length under head: approximately 54.8 mm
- Unit of supply: each
Please verify the required part number, dimensions, installation configuration, and applicable approved maintenance data before use.
| Diameter | 0.249" - 0.246" |
|---|---|
| Finish | Cadmium Plated, AMS-QQ-P-416, TYPE II, CLASS 2 |
| Grade | 4037 or 8740 |
| Grip ± .016" | 1.688" |
| Length +.031" / -.016" | 2.156" |
| Locking Mechanism | Drilled Shank |
| Material | Alloy Steel |
| Packaged Amount | 25 PER |
| Ref Pc Weight (lb) | 0.034 |
| Thread Length | 0.468" |
| Thread Specs | 1/4-28 UNF-3A |