Window Fabrication Screws Countersunk with Ribs PH Single Thread Gimlet Tip Stainless Steel - 4.3 x 20
Pack Quantity: 1000
Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present. Stainless steel should be used where there is a corrosive environment. Countersunk head with ribs under head for improved countersinking.