AN8H Bolts -- Drilled Head
AN8H bolts have a 1/2-20 thread with a 1/2" shank diameter. All AN8H bolts have a 0.781 inch thread length. This length is specifically designed to accommodate a full-height nut plus one AN960-816 washer. The AN8H bolt head is predrilled for safety wire.
A or no A? AN bolts were originally designed to be used with a castle nut and cotter pin, so the base part number indicates a drilled shank. The addition of an "A" at the end (for example, AN8H-20A) indicates a drilled head and an undrilled shank for use with a self-locking nut.
AN bolt nomenclature can be confusing. Please take a look at our page on Identifying AN Bolt Sizes.
Related Technical Documents |
Identifying AN Bolts: Sizes and NomenclaturePrintable AN Bolt Grip Length Chart - Fractions (PDF Format)Printable AN Bolt Grip Length Chart - Decimals (PDF Format) |
| Image | Part No. | Description | Price | Stock Status |
|---|---|---|---|---|
 | AN8H-Size | Click to check price | Some In Stock | |
 | 3319-001 | AN Bolt Identification Gauge, AN3 thru AN10 | $17.99 | In Stock |
 | 3329-001-Color | (HAO) Dykem Cross Check Torque Seal Marker, 1 oz Tube | $7.49* | In Stock |
* Quantity Pricing Available
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Airframe (AN) Bolts |