Anti-Galling (Anti-Seize)

Image Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment Hex Socket Head Cap Screws - Fluorine Coating Hex Socket Head Cap Screws - MoS<sub>2</sub> Coating Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Hex Socket Head Cap Screws - Gold Coating
Part Name Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment Hex Socket Head Cap Screws - Fluorine Coating Hex Socket Head Cap Screws - MoS2 Coating Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Hex Socket Head Cap Screws - Gold Coating
Part Number SVSL-PN SNSL-PN SNSS-FC SNSS-MO SNSS-RY SNSS-TF SNSS-AUS
Feature Corrosion Resistance / Seizing prevention Seizing Prevention Seizing prevention Seizing prevention Chemical Resistance
Reflection Resistance
Seizing Prevention		 Chemical Resistance
Seizing Prevention		 Seizing prevention
Material SUS316L SUS316L SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304)
Surface Treatment Surface hardening treatment Surface hardening treatment Fluorine coating Molybdenum disulfide coating Low temperature black chrome treatment PTFE coating Gold Coating (Gold Purity: 99.99 wt%)
Thread Size M3 ～ M8 M3 ～ M8 M3 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M10
CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SVSL-M3-PN SVSL-M4-PN SVSL-M5-PN SVSL-M6-PN SVSL-M8-PN SNSL-M3-PN SNSL-M4-PN SNSL-M5-PN SNSL-M6-PN SNSL-M8-PN SNSS-M10-FC SNSS-M3-FC SNSS-M4-FC SNSS-M5-FC SNSS-M6-FC SNSS-M8-FC SNSS-M10-MO SNSS-M3-MO SNSS-M4-MO SNSS-M5-MO SNSS-M6-MO SNSS-M8-MO SNSS-M10-RY SNSS-M3-RY SNSS-M4-RY SNSS-M5-RY SNSS-M6-RY SNSS-M8-RY SNSS-M10-TF SNSS-M3-TF SNSS-M4-TF SNSS-M5-TF SNSS-M6-TF SNSS-M8-TF SNSS-M10-AUS SNSS-M3-AUS SNSS-M4-AUS SNSS-M5-AUS SNSS-M6-AUS SNSS-M8-AUS

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Vol.4　What are washers used for?

Do you know the role washers play? Preventing scratches to the seating surface?
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Dealing with screws involves a lot of specialized terminology. When you're looking up every word you don't know in reference books or on the Internet, the time gets away from you before you know it... . Nedzigon is here to help you out with a few of the most common screw-related specialized terms.

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Although fastening objects using the axial force generated from tightening is the main role of screws (bolts), in actual work, I think there are many people who control the torque by tightening with a torque wrench, because it is difficult to directly monitor the axial force, and so guarantee the axial force that way. However, there are other methods of control for tightening screws (bolts). These include those with only slightly greater axial force variation than with a torque wrench. Today, Nedzigon will tell you all about them.

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