Part # AES31-256, Countersunk Head Threaded Insert - Open End Keyless

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


All Categories > ATLAS® Brand Rivet Nuts > Atlas MaxTite® Rivet Nuts > Countersunk Head > Countersunk Head Threaded Insert - Open End Keyless - Unified > Part # AES31-256


	Part # AES31-256, Countersunk Head Threaded Insert - Open End Keyless - 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.

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Countersunk Head Threaded Insert - Unified 2

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Specifications

Thread Size

5/16-18

Grip Range

.181 - .256 in

Identification Mark

1 Rad.

B Ref.

.656 in

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C Max.

.104 in

øD + .000 - .004

.413 in

E Max.

.505 in

F + .005 -.000

.120 in

M Ref.

.560 in

Install Drill Size Ref.

Install Hole Size Min.

.413 in

Install Hole Size Max.

.423 in

Pull Up Factor

.120 in

Weight per 1000

19.3 lb

Fastening

Installed

Thread Specification

3B per ASME B1.1

Standard Material

Low Carbon Steel

Standard Finish

Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II

CAD Supplier

PennEngineering® (Atlas®)

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		PEM ATLAS Bulletin

Part # AES31-256, Countersunk Head Threaded Insert - Open End Keyless - Unified

Thread Size

Grip Range

Identification Mark

B Ref.

C Max.

øD + .000 - .004

E Max.

F + .005 -.000

M Ref.

Install Drill Size Ref.

Install Hole Size Min.

Install Hole Size Max.

Pull Up Factor

Weight per 1000

Fastening

Thread Specification

Standard Material

Standard Finish

CAD Supplier