Optimas Nylon Cheese Head & Countersunk Machine Screws
- Optimas 0040414, Nylon countersunk head slotted drive 20mm machine screws, M3 thread size, ideal for general insulation & applications involving corrosive substances. Optimas 0040414 Countersunk Head Slotted Metric Machine Screws M3 x 20mm Pk 100