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

Mutual ScrewSKU: 5020BFKC

Price:
Sale price$478.38per 300( $1.59 each)
Pieces 300
Measurement type Inch
Thread size 1/2-13
Diameter 1/2
Length 1-1/4
Material Steel
Grade Grade 8
Finish Black Phosphate
Head style Indented Hex
Threads per inch 13
Weight 39.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

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

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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