Hi-Torque SS Blind Standoff Notes

he blind stand-off is recommended for use in blind-hole applications such as in plates, castings and behind front panels. This non-magnetic stainless steel stand-off locks into aluminum, mild steel, soft brass and other materials of Rockwell Hardness RB 70 or less. Typical holding specifications for a type 66312 unit in standard chassis aluminum 5052 H34 are 150 lbs. pull-out, 30 lbs. torque-out; and for a type 66326 - unit are 200 lbs. pull- out and 40 lbs. torque-out. In addition to permitting mar-free panel surface, these stand- offs present and inherent seal against external contaminants such as dirt, oil and moisture. For DIRECT Stud mounting with inherent seal, use Blind Head Press Stud.
 
These are designed to provide permanent threads in blind hole applications such as front panels, plates and castings having a Rockwell hardness of RB 70 or less.
 
The Standoffs are available in thread sizes from 4-40 NC2B - 1/4-20 NC2B and lengths that are listed in the table.
 
This blind head stand-off is easily fastened to the panel by placing it in a counter-bored hole and pressing using an arbor press or other steady pressure device.
 
Typical pull-out values in aluminum 5052 H34 are:
4-40 thread 8-32 thread
Thread Pull-out Torque-Out
150# 30"#
200# 40"#
Tolerances (unless noted):
Decimals +.005, Fractional +1/64
 
Stainless steel inserts: for use in most aluminum or in low carbon steels that are 1/4 hard or softer.
 
NOTE: We recommend the Passivate Finish (12)