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  • Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
Countersunk Head
Countersunk Head Threaded Insert - Metric 2
Unit of Measure
Items Countersunk Head
AESM4KB3.1
Countersunk Head Threaded Insert - Closed End Keyed - Metric
Countersunk Head
AESM4KB4.1
Countersunk Head Threaded Insert - Closed End Keyed - Metric
Countersunk Head
AESM4KB5.1
Countersunk Head Threaded Insert - Closed End Keyed - Metric
Countersunk Head
AESM4KB6.1
Countersunk Head Threaded Insert - Closed End Keyed - Metric
Countersunk Head
AESM4KB7.1
Countersunk Head Threaded Insert - Closed End Keyed - Metric
Thread Size x Pitch N/A M4 x 0.7
Grip Range N/A 1.60 - 3.10 mm N/A 3.10 - 4.10 mm N/A 4.10 - 5.10 mm N/A 5.10 - 6.10 mm N/A 6.10 - 7.10 mm
Identification Mark N/A Blank N/A 1 Rad. N/A 2 Rad. N/A 3 Rad. N/A 4 Rad.
B Ref. N/A 9.01 mm a1059_1.jpg
C Max. N/A 1.60 mm
øD - 0.1 N/A 5.61 mm
E Max. N/A 6.88 mm
F + 0.13 N/A 1.37 mm
L ± 0.381 N/A 16.50 mm N/A 17.50 mm N/A 18.50 mm N/A 19.50 mm N/A 20.50 mm
J Ref. N/A
K Ref. N/A 6.98 mm
Install Drill Size Ref. N/A 5.60 mm
Install Hole Size Min. N/A 5.60 mm
Install Hole Size Max. N/A 5.74 mm
P - Keyway Width + 0.08 N/A 1.57 mm
H - Keyway Height N/A 1.42 - 1.47 mm
Pull Up Factor N/A 1.90 mm
Weight per 1000 N/A 4.6 lb N/A 4.7 lb N/A 4.8 lb N/A 5.0 lb N/A 5.2 lb
Fastening N/A Uninstalled
Thread Specification N/A 6H per ASME B1.13M
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} N/A {0} N/A {0} N/A {0} 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”