Reference screw centers 0.375 Inch => 9.525 mm => Diameter hole for screw 0.078 Inch => 1.98 mm => Side from center of hole 0.110 Inch => 2.79 mm Reference inside 6.35 mm 1092-02A-5 A => Center Pin Diameter 0.007 Inch => 0.1778 mm C => 0.0480 Inch => 1.2192 mm D => Pin length 0.030 Inch => 0.762 mm https://www.centricrf.com/connectors/end-launch-sma-2-92-2-4-1-85-1-0-connectors/1092-02a-5-2-92mm-end-launch-connector/ 2.92mm End Launch Connector by Southwest Microwave. .007" pin. Mode Free 0-40ghz. 7 mil diameter pin, for a 15 mil trace, 48 mils ground to ground, 30 mil pin length. 1092-03A-5 A => Center Pin Diameter 0.010 Inch => 0.254 mm C => 0.0635 Inch => 1.6129 mm D => Pin length 0.050 Inch => 1.27 mm 1092-04A-5 A => Center Pin Diameter 0.007 Inch => 0.1778 mm C => 0.0390 Inch => 0.9906 mm D => Pin length 0.030 Inch => 0.762 mm 1092-01A-5 A => Center Pin Diameter 0.005 Inch => 0.127 mm C => 0.0290 Inch => 0.7366 mm D => Pin length 0.030 Inch => 0.762 mm