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Nut, hex, half lock, zinc plated, GR 4.8, STD, 30 x 3.5 mm, Fastbolt.

Brand: Fastbolt
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Also known as a half nut, thin nut, or jam/lock nut. Typically fitted with a spanner or ratchet with socket, often used in pairs or in conjunction with a hexagon full nut in a locking arrangement. Zinc plated fasteners are the most common used plating. This ensures good rust-resisting qualities, appearance and low cost.

Product properties
Brand Fastbolt
Category Half Lock
Outside Diameter (mm) 30.0
Grade 4.8
Material Mild Steel
Series Metric
Thread Type Standard
Type Half Lock
Surface Finish Zinc Plated
Thread Pitch (mm) 3.5