cSeao 100-Pack 1/4"-20 x 1-1/2 Inches Hurricane Bolts, Sidewalk Screws Bolts, 304 Stainless Steel

Material: 18-8 / 304 Stainless Steel; Plain Finish; Name: Hurricane Screws; | Drive Type: #3 phillips bit or combo driver; | Spec: Head Diameter: 3/4, Head Thickness: 1/8" , Threaded Length: 1-1/2", Thread: 20TPI; | Application: Securely fix plywood, metal or fabric hurricane panels. The smooth head design allows the bolt to stay in place when not in use.. | Kind reminder: Please conact us if unit have problems