Black Flat Head Machine Screws Metric 90 Degree Grade 10.9 Taper Gallery Black Flat Head Machine Screws Metric 90 Degree Grade 10.9 Taper Cold Forming Black Flat Head Machine Screws Metric 90 Degree Grade 10.9 Taper Ric Sun2020-11-07T00:05:33-08:00 The black flat head machine screws are also called black countersunk head screws. The screw has a uniform [...] Black Flat Head Machine Screws Metric 90 Degree Grade 10.9 TaperRic Sun2020-11-07T00:05:33-08:00