Truss Head, Type B
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
8X3/4-B-TR-PH-SS TAPPING SCREW (PACK OF 25)
Same comments as above - the blunt end makes future working around the screws much less hazardous as there is less probability of drawing blood. The blunt end works well with the Tinnerman U-Clips.
These type B screws not having the sharp point is I think a real plus just from a not so easily getting scratched when later working around them. Over time, I am replacing all my type A with the type B as they are more user friendly.
I got some of the #4 x 3/8 and they work perfectly for interior trim panels on my Cessna 172. They are just the right size and shape to hold all those plastic panels together.
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Yes the truss head screws are 20% discount at qty 100+.