• THREAD SERIES DESIGNATOR : UNC
  • NOMINAL THREAD DIAMETER : 0.164 INCHES
  • THREAD QUANTITY PER INCH : 32
  • THREAD CLASS : 2A
  • THREAD DIRECTION : RIGHT-HAND
  • THREAD LENGTH : 0.657 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
  • FASTENER LENGTH : 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM​​​​​​​ 
  • SCREW MATERIAL : STEEL​​​​​​​
  • SCREW MATERIAL DOCUMENT AND CLASSIFICATION : QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE​​​​​​​
  • SCREW SURFACE TREATMENT : CADMIUM AND CHROMATE​​​​​​​
  • SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION : QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE​​​​​​​
  • MINIMUM TENSILE STRENGTH : 60000 POUNDS PER SQUARE INCH​​​​​​​
  • HEAD STYLE : A23 PAN
  • HEAD DIAMETER : 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM​​​​​​​
  • HEAD HEIGHT : 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM​​​​​​​
  • INTERNAL DRIVE STYLE : B1 CROSS RECESS TYPE 1​​​​​​​

Machine Screw

  • length: 3/4", thread: 8-32, pan head, cadmium plated carbon steel, coarse thread