Part # AES31KB331, Countersunk Head Threaded Insert - Closed End Keyed

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


All Categories > ATLAS® Brand Rivet Nuts > Atlas MaxTite® Rivet Nuts > Countersunk Head > Countersunk Head Threaded Insert - Closed End Keyed - Unified > Part # AES31KB331


	Part # AES31KB331, Countersunk Head Threaded Insert - Closed 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.

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Countersunk Head Threaded Insert - Unified 2

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Specifications

Thread Size

5/16-18

Grip Range

.256 - .331 in

Identification Mark

2 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

J Ref.

.955 in

K Ref.

.550 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 per 1000

30.5 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 # AES31KB331, Countersunk Head Threaded Insert - Closed End Keyed - Unified

Thread Size

Grip Range

Identification Mark

B Ref.

C Max.

øD + .000 - .004

E Max.

F + .005 -.000

J Ref.

K Ref.

P - Keyway Width + .003 -.000

H - Keyway Height

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