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This series utilizes a variety of grommets which must be installed into the top panel. They significantly enhance the system’s performance.
Contact us for strengths for stainless steel stud assemblies and for other styles, materials, or finishes.
Unit of Measure

Series

 N/A 40S79

Stud Material

 N/A 4037 Alloy Steel per ASTM A752

Cup Material

 N/A 1050 Carbon Steel per ASTM A684

Spring & Cross Pin Material

 N/A Music Wire per ASTM A228, Cadmium Plate per AMS-QQ-P-416, Class 2 Type II

Head Style

 N/A Slotted

Finish

 N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish)

L

 N/A 0.743-0.753 in

S

 N/A 1.020 in

Stud Heat Treatment

N/A Hardened

Ultimate Tensile Strength

 N/A 1050.000 lb

Working Strength

 N/A 700.000 lb

Stud Grip Increments

 N/A 0.030 in

Minimum Preload

 N/A 50.000 lb

Maximum Service Temperature

 N/A 450.000 ºF

Weight/100

 N/A 1.670 lb

N/A

  • Cross Pin will withstand 175 lb pushout force and retain symmetrical about centerline of stud within ±.020
    For -16 and longer use
    L min = (Dash No. x .030) + .553
    L max = L min + .010
    S = (Dash No. x .03) + .63
    Approximate weight - lb/100 = .847 + (Dash No. x .0193)