Part # AEA31K256, Countersunk Head Threaded Insert - Open End Keyed

Registered Users – Sign In

Search Catalog



	All Categories Countersunk Head Threaded Insert - Open End Keyed - Unified


All Categories > ATLAS® Brand Rivet Nuts > Atlas MaxTite® Rivet Nuts > Countersunk Head > Countersunk Head Threaded Insert - Open End Keyed - Unified > Part # AEA31K256


	Part # AEA31K256, Countersunk Head Threaded Insert - Open End Keyed - Unified

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.

larger image

Countersunk Head Threaded Insert - Unified 2

larger image

Specifications

Thread Size

5/16-18

Grip Range

.181 - .256 in

Identification Mark

1 Rad.

A ± .015

.937 in

B Ref.

.656 in

larger image

C Max.

.104 in

øD + .000 - .004

.413 in

E Max.

.505 in

F + .005 -.000

.120 in

P - Keyway Width + .003 -.000

.128 in

H - Keyway Height

.097 - .102 in

Install Drill Size Ref.

Install Hole Size Min.

.413 in

Install Hole Size Max.

.423 in

Pull Up Factor

.120 in

Weight

6.3 lb

Fastening

Uninstalled

Thread Specification

3B per ASME B1.1

Standard Material

6053 Aluminum or 6061 Aluminum

Standard Finish

Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant

CAD Supplier

PennEngineering® (Atlas®)

VIEW CAD DRAWING



· 3D


· 2D Front View


· 2D Left Side View


· 2D Sales Drawing

DOWNLOADS


		PEM ATLAS Bulletin

Part # AEA31K256, Countersunk Head Threaded Insert - Open End Keyed - Unified

Thread Size

Grip Range

Identification Mark

A ± .015

B Ref.

C Max.

øD + .000 - .004

E Max.

F + .005 -.000

P - Keyway Width + .003 -.000

H - Keyway Height

Install Drill Size Ref.

Install Hole Size Min.

Install Hole Size Max.

Pull Up Factor

Weight

Fastening

Thread Specification

Standard Material

Standard Finish

CAD Supplier