10/50pc M2 M25 M3 M4 M5 M6 M8 Black Grade 129 Steel Allen Head Hex Hexagon Socket Flat Point Set Screw Grub Bolt M3 M4 M5 M6 M8 M10 M12 M16 A2-70 304 Stainless steel Hex Hexagon Socket Allen Spring Ball Plunger Grub Point Set Screw Bolt USD 1.59-4.00 /pack 5/10/50pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 DIN916 Hexagon Socket Allen Cup Point Set Screw Grub Bolt A2 304 Stainless Steel USD 1.11-7.99 /pack 50pcs M3 M4 M5 M6 M8 DIN914 304 Stainless Black Grade 12.9 Steel Hex Hexagon Socket Tapered End Grub Bolt Cone Point Set Screw USD 1.35-4.00 /lot M2 M2.5 M3 M4 M5 M6 M8 DIN913 304 Stainless Steel Allen Head Hex Hexagon Socket Flat Point End Grub Bolt Set Screw USD 0.79-4.00 /pack M2.5 M3 M4 M5 M6 M8 M10 M12 Black Grade 12.9 Steel 304 Stainless Steel Hex Socket Spring Ball Plunger Grub Bolt Point Set Screw USD 1.11-4.00 /pack 5/10/50X M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12 DIN916 Hex Hexagon Socket Allen Cup Point Grub Bolt Set Screw Black 12.9 Steel USD 0.95-5.03 /pack 10/50pc M2 M2.5 M3 M4 M5 M6 M8 Black Grade 12.9 Steel Allen Head Hex Hexagon Socket Flat Point Set Screw Grub Bolt USD 0.95-4.00 /pack 5/10/50pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 DIN916 Allen Hex Socket Cup Point Set Screw Grub Bolt 304 Stainless Steel Black USD 0.95-8.15 /pack Items Description Material Grade 12.9 steel Size = D (thread diameter)x L (total length) Metric thread diameter: M2 (2mm) / M2.5(2.5mm) / M3 (3mm) / M4 (4mm) / M5 (5mm) / M6 (6mm) M8(8mm) / M10(10mm)/ M12(12mm) / M16(16mm) Metric thread pitch: 0.4mm (M2) / 0.45mm(M2.5) / 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1mm(M6) 1.25mm(M8)/ 1.5mm(M10)/ 1.75mm(M12) / 2mm(M16) Thread length: 3mm-60mm Product display _x000D_