Jis B 1188 Pdf Jun 2026

The Japanese Industrial Standard (JIS) B 1188 is a widely recognized specification for fasteners, particularly bolts, screws, and studs. This standard outlines the requirements for the design, materials, and testing of fasteners used in various industries, including construction, automotive, and manufacturing. In this blog post, we will delve into the details of JIS B 1188, its significance, and what it entails.

: Since the washers are captive (cannot fall off), they prevent "dropped washer" debris in sensitive electronic components. jis b 1188 pdf

The standard categorizes assemblies based on the type of captive washers used. The most common configurations found in the PDF tables include: The Japanese Industrial Standard (JIS) B 1188 is

Specifically, this standard covers the dimensions, tolerances, and technical requirements for slotted (flat-blade drive) screws that are not intended for high-strength structural applications. The typical products under JIS B 1188 include: : Since the washers are captive (cannot fall

Socket set screws specified in JIS B 1188 are typically made from steel, stainless steel, or other materials. The standard requires that the materials meet specific strength and corrosion resistance requirements.

: Pan head screw with a spring lock washer and a plain (flat) washer.