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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 .296 - .381 in |
Identification Mark |
N/A 2 Rad. |
B Ref. |
N/A
.770 in
![]() Loading zoom |
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 1.562 in |
K Ref. |
N/A .675 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 15.1 lb |
Fastening |
N/A Uninstalled |
Thread Specification |
N/A 3B per ASME B1.1 |
Standard Material |
N/A 6053 Aluminum or 6061 Aluminum |
Standard Finish |
N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant |
CAD Supplier |
N/A PennEngineering® (Atlas®) |
Inventory |
- 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”