National Marker N221580 Stainless Steel Eye Bolt

Product Description

The NATIONAL MARKER N221580 is a stainless steel eye bolt designed for fastening and rigging applications in light industrial, commercial, and marine environments. Measuring 0.25 inches in diameter and 2.5 inches in length, it features machine screw threads and ships fully assembled with a hex nut. The stainless steel construction resists corrosion in wet, humid, or chemically active conditions. This hardware is installed by electricians, mechanics, riggers, and general tradespeople who need a reliable loop anchor point for cables, ropes, or wire runs.

The N221580 is suited for surface mounting on wood, metal, or composite substrates where a threaded eye anchor is required. It is part of the 2161BC catalog series and sold in bulk box packaging with a minimum order quantity of 10 units per order. Typical applications include overhead cable management, equipment tethering, and light suspension tasks in both indoor and outdoor settings where corrosion resistance is a priority.

Key Features

• Stainless steel construction resists corrosion in wet and outdoor environments
• Machine screw thread pattern for reliable engagement in tapped holes or through-bolt applications
• Ships fully assembled with hex nut included
• 0.25 inch diameter x 2.5 inch length for versatile fastening depth
• Part of the 2161BC series for consistent sourcing across bulk orders
• Sold in bulk box pack with a minimum quantity of 10 units

Compatibility

Designed as an OEM-style threaded eye bolt for general fastening and light rigging applications requiring a 0.25 inch machine screw thread pattern.

Installation Notes

Installation is performed by general tradespeople or maintenance technicians using standard hand tools. Ensure the receiving material is rated for the intended load before fastening. Thread the hex nut fully and confirm it is seated flush against the mounting surface. Do not exceed the rated load capacity of the mounting substrate or the fastener itself.

Technical Specifications

• Diameter: 0.25 inches
• Length: 2.5 inches
• Material: Stainless Steel
• Thread Type: Machine Screw
• Includes: Hex Nut, Assembled
• Weight: 0.051 pounds
• Catalog Series: 2161BC
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 00038613191228

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N221580