CAD (0) ▾ Cart is empty Request CAD files All Categories > ATLAS® Brand Rivet Nuts > Atlas MaxTite® Rivet Nuts > Countersunk Head > Countersunk Head Threaded Insert - Closed End Keyed - Unified > Part # AECH25KB451 All CategoriesAll Categories ATLAS® Brand Rivet NutsATLAS® Brand Rivet Nuts Atlas MaxTite® Rivet NutsAtlas MaxTite® Rivet Nuts Countersunk HeadCountersunk Head Countersunk Head Threaded Insert - Closed End Keyed - UnifiedCountersunk Head Threaded Insert - Closed End Keyed - Unified Part # AECH25KB451 Part # AECH25KB451, Countersunk Head Threaded Insert - Closed End Keyed - Unified AECH25KB451Countersunk Head Threaded Insert - Closed End Keyed - Unified Request Information Add to CAD Cart Email This Page Download PDF Download PDF Printable Page VIEW CAD DRAWING 3D 2D Front View 2D Left Side View 2D Sales Drawing DOWNLOADS PEM ATLAS Bulletin /Asset/Countersunk_1.jpg 12 /Asset/Countersunk_1.jpg Close Window 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. Unit of Measure Imperial Metric Both Specifications Thread Size N/A 1/4-20 Grip Range N/A .391 - .451 in Identification Mark N/A 5 Rad. B Ref. N/A .529 in C Max. N/A .089 in øD + .000 - .004 N/A .332 in E Max. N/A .382 in F + .005 -.000 N/A .054 in J Ref. N/A .760 in K Ref. N/A .445 in P - Keyway Width + .003 -.000 N/A .062 in H - Keyway Height N/A .056 - .058 in Install Drill Size Ref. N/A Q Install Hole Size Min. N/A .332 in Install Hole Size Max. N/A .338 in Pull Up Factor N/A .095 in Weight per 1000 N/A 18.1 lb Fastening N/A Installed Thread Specification N/A 3B per ASME B1.1 Standard Material N/A 4037 Alloy Steel Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II CAD Supplier N/A PennEngineering® (Atlas®)
