Page 587 - Demo

553Dimensions in millimeters (inch) unless otherwise stated52 Captive ScrewsMiniature series · Press-in styleGPhillips / Slot RecessNo. 2 PhillipsT15 TORX® (M3,4-40,6-32)T25 TORX® (M4)Phillips / SlotcombinationTORX® / SlotcombinationØ EStandoffSpringScrewØ JG C Ø B Ø BKnob Height and Screw ProjectionRecess Styles* Value represents float in unfastened positionNotes: P-1, P-2 measured from the top side of panelThreadSizePart NumberØ B C Ø E F* G H-1 H-2 Ø J P-1 P-2Panel PreparationKnurled Head Smooth HeadPhillips / Ø D Ø ZSlottedTORX® /SlottedPhillips /SlottedTORX® /Slotted4-4052-19-51-4 52-17-51-4 52-1A-51-4 52-18-51-4 7(.28)7.9(.31)6.4(.25)0.5(.018)2.5(.1)14(.55)9.6(.38)5.5(.217)0.9 (.036) 5.3 (.21) 5.56 (.219 ) 3(.120) 52-19-53-4 52-17-53-4 52-1A-53-4 52-18-53-4 2.5 (.1) 6.8 (.27)6-3252-29-51-4 52-27-51-4 52-2A-51-4 52-28-51-4 8(.31)8.6(.34)7(.28)0.7(.028)2.5(.1)15.5(.61)10.4(.41)6.3(.247)0.9 (.036) 6.1 (.24) 6.35 (.250 )3.7(.144) 52-29-53-4 52-27-53-4 52-2A-53-4 52-28-53-4 2.5 (.1) 7.6 (.30)M3 X0.552-39-51-4 52-37-51-4 52-3A-51-4 52-38-51-4 7(.28)7.9(.31)6.4(.25)0.6(.023)2.5(.1)14(.55)9.6(.38)5.5(.217)0.9 (.036) 5.3 (.21) 5.56 (.219 )3.2(.126) 52-39-53-4 52-37-53-4 52-3A-53-4 52-38-53-4 2.5 (.1) 6.8 (.27)M4 X0.752-49-51-4 52-47-51-4 52-4A-51-4 52-48-51-4 9.4(.37)8.6(.34)8.7(.34)0.7(.028)3(.12)16(.63)10.8(.43)7.9(.31)0.9 (.036) 6.1 (.24) 8 (.315 )4.4 (.173) 52-49-53-4 52-47-53-4 52-4A-53-4 52-48-53-4 2.5 (.1) 7.6 (.30)• Smaller footprint for limited space applications• Heat treated steel screw for optimum strengthMaterial and FinishScre Hardened carbon steel, zinc plated, chromate, plus sealer Spring: 300 series stainless steel, passivated Standoff: Carbon steel, zinc plated, chromate, plus sealer Installation NotesFor use in most aluminum or in low carbon steels that are 1/4 hard or softerMin. panel thicknessØ D 0.9(.036) Do not chamferBack-uptool(not supplied)Smooth face punch(Ø > screw head)Ø ZTop side of panelNotes: Recommended minimum distance from edge of panel to centerline of hole is 1.5 x Ø D for press-in version. P-1H-1 F*(Total float of screw in standoff)Unfastened FastenedP-2H-2www.southco.com/52ACTUAL SIZE+0-0.08+0.08-0+0.08-0+0.08-0+0-.003+.003-0+.003-0+.003-0See page 627 for additional installation guidelinesTORX® is a registered trademark of CAMCAR InnovationsPart NumberSee table