Nylon Thumb Screws Knurled Head Plain Finish White Plastic Metric Gallery Nylon Thumb Screws Knurled Head Plain Finish White Plastic Metric Injection Molding Nylon Thumb Screws Knurled Head Plain Finish White Plastic Metric Ric Sun2020-10-26T23:08:30-07:00 The nylon thumb screws are generally used where light and insulation are needed. Nylon is a generic designation [...] Nylon Thumb Screws Knurled Head Plain Finish White Plastic MetricRic Sun2020-10-26T23:08:30-07:00