FMSI > Tube Nuts > Standard Steel Invert Flare Tube Nuts > Item # 3415 FMSIFMSI Tube NutsTube Nuts Standard Steel Invert Flare Tube Nuts Standard Steel Invert Flare Tube Nuts Item # 3415 Item # 3415, 1/4" x 7/16" - 24 Standard Steel Invert Flare Tube Nut 34151/4" x 7/16" - 24 Standard Steel Invert Flare Tube Nut Request Information Email This Page Download PDF Download PDF Printable Page Downloads FE The Officail Guide Book -TUBE NUTS - Ver2.pdf /Asset/3415.png /Asset/3415.png Close Window - For 1/4" tube - Invert flare with 7/16" - 24 thread- 9/16" hex head Unit of Measure Imperial Metric Both Specifications Tube Size N/A 1/4 in Thread Diameter N/A 7/16 in Threads per Inch N/A 24 T.P.I Hex Size N/A 9/16 in Packaging N/A SP(10) HP(4) Package Type N/A Barrel Units Per Package N/A 1