Shop Now [300 BULK] Flange Bolts Serrated Hex Washer Stainless 3/8-16 X 1 1/2

Flange Bolts Serrated Hex Washer Stainless 3/8-16 x 1 1/2: Durable stainless steel flange bolts designed for reliable, vibration-resistant fastening. The serrated hex washer head provides a larger bearing surface and a secure bite, helping prevent loosening in demanding environments.

These bolts feature a stainless steel construction for excellent corrosion resistance in outdoor, marine, or high-humidity applications. The 3/8-16 thread size and 1-1/2 inch length make them versatile for automotive, equipment, and structural projects where a strong, clean fastener is required.

The flange head provides a larger bearing surface to distribute load and reduce surface damage, while the serrated washer style creates a grip that resists loosening under vibration. These features combine to deliver dependable performance in a single, ready-to-use fastener.

Key Features

Material: Stainless steel for superior corrosion resistance

Head type: Flange head with serrated hex washer

Thread size: 3/8-16

Length: 1-1/2 in

Drive: Hex drive for easy installation with standard tools

Application: Suitable for automotive, machinery, outdoor, and structural uses with compatible nuts or tapped holes

Whether you’re assembling machinery, mounting equipment, or completing outdoor projects, these flange bolts offer strength, durability, and ease of installation.