They are perfect for use in electrical and electronic assemblies. They also can be used as bushings, bearing, rollers, and glides.. uxcell 50pcs M2 3+3mm Male Thread Brass Round Standoff Spacer Screw PCB Pillar ; Fastener Type. Hex ; Thread Size. M 2 ; Exterior Finish. Brass ; Color. Gold,Golden M2 Standoff M2 M2.5 M3 M4 M5 15 3mm 15 6mm 20 7mm Standoff Screws, 200Pcs Male To... Brass Spacer Specification Material: 304 Stainless SteelThread: M2Thread Pitch: 0.4mm/0.016"Stud length: 3mm/0.12"Screw length: 4mm/0.16"Overall Size: 7mm x 3mm/0.28" x 0.12... Inner Diameter: M2; Outer Diameter: 3mm; Total Length: 23mm Tough and durable, brass spacers are useful for many applications. Specifications:Product Name: Round Standoff SpacerThread Diameter: M2Male Length: 3mm / 0., 12-inchFemale Length: 20mm / 0., 78-inchTotal Length: 23mm / 0., 9-inchMaterial: BrassColor: Gold ToneNet Weight:49gPackage Content: 50+/-2%pcs x Round Standoff Spacer They also can be used as bushings, bearing, rollers, and glides. 25Pcs M2 Standoff Screws Stainless Steel Hex PCB Standoffs (3mm 4mm, Silver)