Catalogue number: B39-0430 Features: ● The wing part, which utilizes the technology of forged wing nuts, is set on the bolt using our unique setting technology. ● The guaranteed torque complies with JIS and is strong enough for a screw tightened by hand. Applications: ● Used for assembling construction, civil engineering, light electrical equipment, agricultural machinery, furniture products, etc. Specifications: ● Nominal diameter d: M4 ● Nominal diameter (L): 30 ● Wing width D (mm): 21 ● Wing height H (mm): 11.8 ● Surface treatment: Unichrome ● Nominal diameter L: 30 ● Package: Bolt-on pack (blister) Material/Finish: ● Carbon steel wire for cold heading (equivalent to SWRCH8-12R) ● Surface treatment: Unichrome plating finish
