Tooth Lock Washer SEMS Screws

Tooth Lock Washer SEMS Screws
Tooth Lock Washer SEMS Screws
Tooth Lock Washer SEMS Screws
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Application
Tooth lock washer SEMS screws are made of one internal tooth lock washer or an external tooth lock washer and one screw. The SEMS screws can increase the operational efficiency of the screws, making them suitable for use in electronic equipment, communication equipment, electrical equipment and more, with screw level choices available in 4.8, 8.8, 10.9, and 12.9.

Tooth lock washer
  • External
  • Internal
  • External / Internal
  • Countersunk
  • Wave
  • Dished Tooth
  • Plain Flat
  • Finishing
  • Fairing
  • Protective

Customization
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: M3-M8.

Recommended product

SEMS01 SEMS screw
Assembly: screws, tooth lock washers
Type: Pan head pozi recess screw with external tooth lock washer
Material: stainless steel
Standard: DIN 7985

SEMS02 SEMSscrew
Assembly: screws, tooth lock washers
Type: Pan head cross recess screw with external tooth lock washer
Material: brass H68
Standard: DIN7985 C/W

We can provide customized products to meet client requirements for head types, dimensions, hardness and materials. Please contact us for more information.

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