Conical washer SEMS screws are made up of one conical washer and one screw, and are widely used for low voltage electrical appliances and electrical equipment.
1. Manufacturing standard: ZONFA satisfies the GB, ISO, DIN, ANSA, BS and JIS standards.
2. Material: copper, iron, stainless steel, carbon steel, alloy steel
3. Common washer material: 50# steel, 65Mn, 60# steel, 45#steel, stainless steel
4. Head type: wafer head, pan head, cheese head, flat head, button head, hex head,
5. Recess type: cross recess, slot recess, Phillips slotted combination recess, 6 lobe recess, slotted 6 lobe recess, tamperproof 6 lobe recess, pozi recess, hex recess, torx recess
6. Diameter range: M2-M8.
7. Level: 8.8, 10.8, 12.9
Assembly: screws, conical washers
Type: hexagonal head screw
Diameter range: M2-M8
Product level: 8.8, 10.8, 12.9
Surface treatment: electroplating black Zn
We can provide customized products according to client requirements for head types, dimensions, hardness and material. Please contact us for more information.