Part # AECH25B80, Flathead Threaded Insert - Closed End Keyless

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	Part # AECH25B80, Flathead Threaded Insert - Closed End Keyless - Unified

Designed for high load applications. Available with rib, key or full hex features for high torque applications.
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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Specifications

Thread Size

1/4-20

Grip Range

.020 - .080 in

Identification Mark

Blank

B ± .015

.475 in

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C Nom.

.058 in

øD + .000 - .004

.332 in

E Max.

.382 in

F + .005 -.000

.054 in

L ± .015

.937 in

K Ref.

.440 in

Install Drill Size Ref.

Install Hole Size Min.

.332 in

Install Hole Size Max.

.338 in

Pull Up Factor

.095 in

Weight per 1000

9.7 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 # AECH25B80, Flathead Threaded Insert - Closed End Keyless - Unified

Thread Size

Grip Range

Identification Mark

B ± .015

C Nom.

øD + .000 - .004

E Max.

F + .005 -.000

L ± .015

K 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