piercing screws are also known as zip, needlepoint, saber point, sprint
point, speed point or twinfast screws. They are essentially self tapping
screws with a very sharp point that can pierce through thin gauge
self piercing screw has a twin lead thread with the first thread rolled to
the tip of an extra sharp point, and a second thread starting just above it.
As the screw pierces and turns into the metal the two threads instantly
engage and drive the screw through the layer/s of sheetmetal with great ease
head styles of self piercing screws include: indented hex
washer, pan, modified truss, pancake, pan framing,
We offer self piercing screws in the following metals: zinc plated carbon steel,
black phosphate carbon steel, ceramic coated carbon steel, dacromet coated
410 stainless steel, 18-8 stainless steel, copper plated 410 stainless
steel, copper plated 18-8 stainless steel and solid copper.