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ST-1200 Line Size 3

ST-1200 Line fastener components consist of a spiral-cam stud, a stud retainer, and a receptacle consisting of or containing a wire form spring.

The Size 3 components exhibit the following performance characteristics:

Stud End Diameter: 3/16" (4.78 mm)
Stud Head Diameter: 5/16" (7.95 mm)
Locked Service Tension: 20 lb
Maximum Tension without Distortion: 45 lb
Rated Shear: 100 lb
Wear Life: 5,000 uses
Maximum Sheet Separation 
at 150% of Locked Service Tension:
.05" (1.27 mm)