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  • Flat head design for high load applications.
  • Semihex body for improved torque-out resistance.
  • Standard material: Low Carbon Steel.
  • Materials available on special order: 300 Series Stainless Steel, Alloy No. 260 Brass, 6053-T4 or 6061-T4 Aluminum.
Flat head , semihex body, hex counterbore – Type AEFH
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric 2
Unit of Measure
Items Flat head , semihex body, hex counterbore – Type AEFH
AEFHS-M3-2.0ZI
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric
Flat head , semihex body, hex counterbore – Type AEFH
AEFHS-M3-2.0ZI
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric
Flat head , semihex body, hex counterbore – Type AEFH
AEFHS-M4-2.5ZI
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric
Flat head , semihex body, hex counterbore – Type AEFH
AEFHS-M4-2.5ZI
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric
Flat head , semihex body, hex counterbore – Type AEFH
AEFHS-M5-3.0ZI
Flat Head Semihex Body Hex Counterbore Threaded Insert - Open End - Metric
Thread Size x Pitch N/A M3 x 0.5 N/A M3 x 0.5 N/A M4 x 0.7 N/A M4 x 0.7 N/A M5 x 0.8
Grip Range N/A 0.50 - 2.00 mm N/A 0.50 - 2.00 mm N/A 0.50 - 2.5 mm N/A 0.50 - 2.5 mm N/A 0.50 - 3.00 mm
A ± 0.25 N/A 9.75 mm N/A N/A 10.75 mm N/A N/A 12.00 mm
B ± 0.25 N/A 8.00 mm Flat-Head-Semihex-Body-Hex-Counterbore-Threaded-Insert---Open-End---Metric-2.jpg N/A 8.00 mm Flat-Head-Semihex-Body-Hex-Counterbore-Threaded-Insert---Open-End---Metric-2.jpg N/A 9.00 mm Flat-Head-Semihex-Body-Hex-Counterbore-Threaded-Insert---Open-End---Metric-2.jpg N/A 9.00 mm Flat-Head-Semihex-Body-Hex-Counterbore-Threaded-Insert---Open-End---Metric-2.jpg N/A 10 mm Flat-Head-Semihex-Body-Hex-Counterbore-Threaded-Insert---Open-End---Metric-2.jpg
C ± 0.13 N/A 0.75 mm N/A 0.75 mm N/A 0.75 mm N/A 0.75 mm N/A 1.00 mm
øD Max. N/A 5.00 mm N/A 5.00 mm N/A 6.00 mm N/A 6.00 mm N/A 6.98 mm
M Ref. N/A N/A 6.00 mm N/A N/A 6.20 mm N/A
Hex Hole Size + 0.1 N/A 5.00 mm a1035.jpg N/A 5.00 mm a1035.jpg N/A 6 mm a1035.jpg N/A 6 mm a1035.jpg N/A 7 mm a1035.jpg
Fastening N/A Uninstalled N/A Installed N/A Uninstalled N/A Installed N/A Uninstalled
Thread Specification N/A 6H per ASME B1.13M
Standard Material N/A Low Carbon Steel
Standard Finish N/A RoHS Compliant Zinc Clear per ASTM B 633, Fe/Zn 8, Type V
Seal N/A
CAD Supplier N/A PennEngineering® (Atlas®)