Our Product
AEA31K256
Countersunk Head Threaded Insert – Open End Keyed
Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
Available on Pre-order
L/T "4 - 8 Weeks"
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| THREAD SIZE | 5/16-18 |
| THREAD SPECIFICATION | 3B per ASME B1.1 |
| FASTENER MATERIAL | Aluminum |
| STANDARD MATERIAL | 6053 Aluminum or 6061 Aluminum |
| STANDARD FINISH | Anodize – Clear, Anodized in accordance with MIL-A-8625, Class 1 plus lubricant, Type II |
| IDENTIFICATION MARK | 5 Rad. |
| WEIGHT PER 1000_LB | 8.2 |
| PRODUCT CATEGORY | Flathead Threaded Insert – Open End Keyless |
| CAD SUPPLIER | PennEngineering® (Atlas®) |
| CADPARTID | 103660 |
| FASTENING | Uninstalled |
| ATLAS PRODUCTS GRIP RANGE | .425in, .425in – .500in, .500in |
| BASE PANEL MATERIAL | Aluminum, Brass, Copper, Hard Steel, Stainless Steel, Steel |
| BRAND | ATLAS |
| FASTENER CHARACTERISTICS | Threaded Internal |
| INSTALLATION EQUIPMENT/METHOD | Hand Tools |
| PRODUCT TYPE | Blind Threaded Inserts |
| TECHNOLOGY TYPE | Riveting |
| UNIT (METRIC/UNIFIED) | Unified |
| A ± .015_IN | .875in |
| B ± .015_IN | .665in |
| C NOM._IN | .062in |
| E MAX._IN | .505in |
| F + .005 -.000_IN | .120in |
| H – KEYWAY HEIGHT_IN | .054in |
| INSTALL DRILL SIZE REF. | Z |
| INSTALL HOLE SIZE MAX._IN | .423in |
| INSTALL HOLE SIZE MIN._IN | .413in |
| ØD + .000 – .004_IN | .413in |
| PULL UP FACTOR_IN | .120in |