[300 BULK] Frame Bolts Flange Black Phospohate 1/2-13 X 1 1/4

Upgrade your frame assemblies with the Frame Bolts Flange Black Phosphate in 1/2-13 x 1 1/4. These flange bolts are designed for secure, clean installations, combining a built-in flange with a durable black phosphate finish for corrosion resistance and a streamlined look.

Designed for strength and ease of use, these bolts provide reliable clamping in frame applications, with standard 1/2 inch diameter and 13 threads per inch (UNC). The 1 1/4 inch length ensures ample bite in typical frame materials, while the flange head distributes load and eliminates the need for a separate washer.

Key features

• Thread size: 1/2-13 UNC
• Length: 1 1/4 inch
• Head type: Flange bolt with integrated washer function
• Finish: Black phosphate
• Material: Typically steel (per standard hardware specs)
• Application: Frame assemblies, machinery, equipment, automotive frames

Benefits

• Flange head provides even load distribution for secure mounting
• Black phosphate finish offers corrosion resistance and a low-gloss surface
• Eliminates the need for separate washers, speeding up assembly
• Common UNC threading ensures compatibility with standard hardware and nuts

Specifications

Product: Frame Bolts Flange Black Phosphate

Diameter (nominal): 1/2 inch

Thread pitch: 13 TPI

Overall length: 1 1/4 inch