Iron lock washer (GT washer) type SH black oxide coating
This is a locking washer manufactured by Goshou Seisakusho Co., Ltd. It can accommodate high tightening axial forces (compatible with hex socket bolts of strength grade 12.9). When using multiple bolts for tightening, it can minimize the variation in torque coefficients for each bolt. There are two types: the SH type with a serrated tooth shape that grips the counterpart material, and the LH type with a disc spring shape. It is compliant with EU-RoHS standards.
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basic information
Size variation: Nominal diameter 3 to nominal diameter 12
Price information
Delivery times vary depending on the quantity. Same-day shipping is possible at the earliest. Please feel free to contact us.
Delivery Time
※Delivery times vary depending on the quantity. Same-day shipping is possible at the earliest. Please feel free to contact us.
Applications/Examples of results
Iron (steel) is widely used as a steel material for screws due to its easy availability and strength. Based on carbon steel, which is primarily composed of iron (Fe) and carbon (C), alloy steels with added elements such as chromium and molybdenum are used, depending on the application, with heat treatment applied for shape, strength, and corrosion resistance.
Company information
Wilco sells various fastening components, including screws, as well as professional tools. Please feel free to contact us regarding custom products, custom processing, and the issuance of various certificates and documents related to other products.
