Grooved Pins
Round Head Grooved Pins
DIN 1476 Round Head Grooved Pins (ISO 8746) have three equally spaced longitudinal tapered grooves that expand the pin’s diameter.
When inserted into the drilled hole of appropriate diameter the expanded diameter of the pin is pressed back to the nominal diameter. As the pin tries to expand to the larger diameter the force against the hole’s wall tightens the fit. This creates the holding power against shock and vibration.
