Part # AECH37K551, Countersunk Head Threaded Insert - Open End Keyed

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	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 # AECH37K551


	Part # AECH37K551, 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.

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Countersunk Head Threaded Insert - Unified 2

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Specifications

Thread Size

3/8-16

Grip Range

.466 - .551 in

Identification Mark

4 Rad.

A ± .015

1.312 in

B Ref.

.770 in

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C Max.

.124 in

øD + .000 - .004

.490 in

E Max.

.597 in

F + .005 -.000

.120 in

P - Keyway Width + .003 -.000

.128 in

H - Keyway Height

.110 - .115 in

Install Drill Size Ref.

12.5mm

Install Hole Size Min.

.490 in

Install Hole Size Max.

.500 in

Pull Up Factor

.155 in

Weight

34.0 lb

Fastening

Uninstalled

Thread Specification

3B per ASME B1.1

Standard Material

4037 Alloy 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 # AECH37K551, 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