No.4 2-Hole Countersunk Self Tapping Screws - A2 ST ST
This drive system, sometimes known as Snake Eye® or Pig Nose is designed for low to medium torque applications. It has 2 holes drilled into the head which requires a unique 2-pin matching driver to install and remove it. We have a Full range of Self Tapping and Metric Machine Screws stocked in A2 Stainless Steel.