Feature

●Material: A2 Stainless Steel; Strength Classification: 50
●Screw Nominal D x Neck Length L=M8 x 15 (mm), Thread Pitch: 1.25(mm)
●Flat washer dimensions: outer diameter 0.7 inches (18 mm) x thickness 0.05 inches (1.2 mm), spring washer dimensions: outer diameter 0.6 inches (14.5 mm) x cross section t2 (mm)
●Thread Type: Metric Coarse Thread, 6g, Surface Treatment: Pacific
●Standards: Bolt body = JIS B 1187 compliant, washers = manufacturer specifications


Description

This is a "Washer Embedded Hex Bolt (P3)" with a flat washer and spring washer built into the hex bolt. It is also commonly referred to as the "Hexagon Cemus" and "Hexagon Cemus P3". It is a suitable bolt to avoid the risk of the washer falling off during tightening work. Use it for tightening narrow and limited spaces to improve work efficiency. Manufactured in Japan.