A 5/16 inch diameter flower head bolt with a bronze and gold colored head, made of steel, placed on a wooden surface.

A black 1/4 inch diameter flower head bolt with a textured design on a wooden surface.

our flower head lag bolt/screw installed on rough hewn barnwood

our hand hammered flower head lag screw installed on dark barnwood

two flower head lag screws lying side by side on a wooden surface, displaying a difference in size and finish color

fancy flower head lag screws side by side on a wooden surface

flower head lag screw in raw/unfinished on a wooden surface

a flower head lag screw with a matte black finish installed on dark barnwood

A close up of he flower head lag screw with a black finish installed in barnwood.

handcrafted flower head lag screw on a wooden surface

hand forged flower head lag screw with a custom finish, displayed on a wooden surface.

Flower head lag screw in aged pewter displayed on a wooden surface.

hand pained flower head lag screw on a wooden surface

flower head lag screw with aged bronze finish on a wooden surface

Product advertisement with Idaho map, American flag design, and text about supporting American blacksmiths.

5/16" Dia. Flower Head Bolt

Name: 5/16" Dia. Flower Head Bolt
Brand: Old West Iron
SKU: HCB-09-H-5-16x3-4
Price: 7.0 USD
Availability: InStock

$7.00

Backed by our 100% Quality Guarantee
If a piece arrives defective or damaged, we’ll replace it.

Hand-forged in Idaho by American blacksmiths. Every piece is individually crafted for authentic Old-World durability.

In stock

Shipping delivery time frame is different than lead time / production time.

Free Shipping on Domestic Orders $60+
Flat Rate Shipping on Domestic Orders:

$19.99 and under $9 Shipping

$39.99 and under $12 Shipping

$59.99 and under $12 Shipping

5/16" Dia. Flower Head Bolt

$7.00

Choose option

Flower Bolts are typically used for fastening items together. Used for both structural and decorative applications. Our decorative flower bolts add interest to a project. When purchasing nuts and washers with this item you will want to select the same size as the diameter of the bolt.

We recommend using 3/8" diameter and above for structural applications.

Head Shape: Flower
Size Across Flats: 1 1/4"
Socket Size: 1/2" 8-Point
Head Height: 5/16"
Shank Diameter: 1/4"
Thread Pitch: 18
Thread Pitch Type: Course

This 5/16" Dia. Flower Bolt is expertly crafted from Grade 2-5 steel, ensuring durability and strength for a variety of projects. With a range of grades available, you can customize your order to fit your specific needs.All bolts are partial threaded unless custom ordered as full thread. To ask a question or request customizations such as full thread please reach out to us via office@oldwestiron.com.

Veteran-Powered

US Army Veteran Blacksmiths, American Grit in Every Strike

Original Designs

Historically Inspired, Uniquely Ours.

From Our Family Forge

Crafted by Multi-Generational Family Blacksmiths

Authencity Guaranteed

We only sell authentic products from verified brand partners and retail partners globally.