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Make of high quality carbon steel. Zinc plated. Flat head. Knurled body.
Rust resistant and strength enough to apply in many kinds of heavy duty materials including sheet metal, steel, aluminum, plastic, fiberglass etc.
5/16-18UNC size specification can be refer to image detail sheet.
Package includes: 50 pieces.

Product description

LOKMAN Premium Zinc Plated Carbon Steel Rivet Nuts, Gives You a 5 Stars Reliable Smart Fasteners Home Improvement.

Specification:

Name: Rivet nut
Material: Carbon steel, zinc plated.
Type: Flat head, Knurled body.
Size type: 5/16-18UNC
Drill Hole Size: 0.394 inch
Head Dia.: 0.552 inch
Head Height: 0.039 inch
Total Length: 0.728 inch
Grip Range: 0.04-0.16 inch

Package includes:

5/16-18UNC ------ 50 pieces

NOTE: More choices with different sizes and qualities rivnuts can be applied on LOKMAN store.