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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.

Unit of Measure

Thread Size	N/A 3/8-16
Grip Range	N/A .551 - .636 in
Identification Mark	N/A 5 Rad.
B Ref.	N/A .770 in
C Max.	N/A .124 in
øD + .000 - .004	N/A .490 in
E Max.	N/A .597 in
F + .005 -.000	N/A .120 in
L ± .015¹	N/A 1.859 in
K Ref.	N/A .715 in
P - Keyway Width + .003 -.000	N/A .128 in
H - Keyway Height	N/A .110 - .115 in
Install Drill Size Ref.	N/A 12.5mm
Install Hole Size Min.	N/A .490 in
Install Hole Size Max.	N/A .500 in
Pull Up Factor	N/A .155 in
Weight per 1000	N/A 51.7 lb
Fastening	N/A Uninstalled
Thread Specification	N/A 3B per ASME B1.1
Standard Material	N/A Low Carbon Steel
Standard Finish	N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II
CAD Supplier	N/A PennEngineering® (Atlas®)
Inventory	N/A {0}

¹ The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”

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