(15 pcs) 3/8\-16 X 3-1/2\
- Penta bolts have a five-sided pentagon-shaped head offering a minimum level of tamper-resistance..
- Penta head bolts are commonly used to secure ground lids and manhole covers..
- Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy..
- Stainless steel significantly improves resistance to tarnishing or corrosion..