75Pcs Button Head Torx Drive Screws Bolts, Grade 10.9 Alloy Steel, M6 x 12/16/20/25/30 mm Star Drive Machine Screws Set with T30 Wrench, Black Oxide Finish, Fully Threaded Pitch : 1.0 mm Black-M6 Button Head Trox Screws auspowers_batchfive acids and corrosive chemicals

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75Pcs Button Head Torx Drive Screws Bolts, Grade 10.9 Alloy Steel, M6 x 12/16/20/25/30 mm Star Drive Machine Screws Set with T30 Wrench, Black Oxide Finish, Fully Threaded Pitch : 1.0 mm Black-M6 Button Head Trox Screws auspowers_batchfive acids and corrosive chemicals75Pcs Button Head Torx Drive Screws Bolts, Grade 10. 9 Alloy Steel, M6 x 12 16 20 25 30 mm Star Drive Machine Screws Set with T30 Wrench, Black Oxide Finish, Fully Threaded Pitch : 1. 0 mm ? SPECIFICATION?: Screw Head Style: Button ; Screw Drive Style: Trox Star drives Thread Diameter 6 mm Thread Pitch: 1. 0 mm Head Diameter 10. 5 mm Head Height 3. 3mm Screw Length? 12 mm, 16 mm, 20 mm, 25 mm, 30 mm High Quality Material 10. 9 Grade Alloy Steel Widely