The Best Square Head Bolts of 2023

Designed to Service Male Square Plugs

Applications Include: BMW, Ford, Toyota and Renault Vehicles

Use with a 3/8-Inch Square Drive

Heavy-Duty Construction Allows for Strength and Durability

Whether Tuning up Your 68 Corvette or Changing the Oil on a John Deere Tractor, CTA can Supply You with the Tools Needed to do the Job

Material: steel

Thread size: 1/4''-20

Length: 2 inch

Low-Strength Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 2" Long (Pack of 25)

Material: steel

Thread size: 5/16''-18

Length: 1 inch

Low-Strength Grade A Steel Square Head Bolt, 5/16"-18" Thread Size, 1" Long (Pack of 25)

Thread: Coarse / Full Thread / Case Hardened / Black Oxide

Thread Diameter-Pitch: 3/8-16, Length: 2 inch

Coarse Thread

Black Oxide is not a protective finish and will rust if exposed to moisture. Stainless Steel material is recommended for environments with moisture

✔ QUALITY: Premium quality 18-8 stainless steel construction that will not rust or corrode.

✔ PURPOSE: Great for use with hurricane panels that utilize the "F" track design.

✔ SPECS: Head Size: 7/16” Square | Head Protrusion: ⅛" | Threaded Length 1”

✔ INSTALLATION: Easy installation for both homeowners and contractors. Simply slide the head into the "F" track slot and move to the desired position.

✔ GUARANTEE: At Mountwell Hardware we take pride in our product quality and craftsmanship and this is backed by our 100% money back guarantee.

Material: steel

Thread size: 1/2''-13

Length: 2-1/2 inch

Low-Strength Grade A Steel Square Head Bolt, 1/2"-13" Thread Size, 2-1/2" Long (Pack of 5)

Material: steel

Thread size: 5/16''-18

Length: 2 inch

Low-Strength Grade A Steel Square Head Bolt, 5/16"-18" Thread Size, 2" Long (Pack of 10)

【Product Dimension】 Thread specification: M8; Screw length: 16mm/0.63"; Thread pitch: 1.25mm/0.05"; Thread length: 10.6mm/0.42"; Head diameter: 17.1mm/0.67"; Head thickness: 5.28mm/0.21"; Square neck width: 8.36mm/0.33"

【High-quality stainless steel】The carriage bolts are 100%(304) stainless steel, making it one of the highest forms of corrosion resistance. This makes them a perfect choice for use in any environment (including ocean/salt water).

【Bolts you can rely on】 Our carriage head bolts are very strong and very suitable for indoor and outdoor use. Whether you are connecting a pile to a salt water jetty or fixing a swing, you can rely on carriage bolts to fix and use.

【Perfect for taking it with you】 The carriage bolt is perfect for taking it with you when you need it! Use in various applications, various conditions and various environments! Bolts are high-quality bolts on the market, and we 100% adhere to our proposition. They are strong, corrosion-resistant and durable!

【Package Content】 20PCS x Carriage Bolt

Package Content: 8pcs x Round Cap Head Stainless Steel Square Neck Bolts

Dimension: M8×50mm; Thread Length: 44.6mm/ 1.76inch; Screw Rod Length: 50mm/ 1.97inch

Material: Carriage Bolts are 304 Stainless Steel giving them one of the highest forms of corrosion resistance. This makes them the perfect choice for use in any environment (including marine/saltwater)

Our carriage head bolts are very strong and are great for both indoor and outdoor use. Whether you are attaching a piling to a saltwater dock or securing a swing set, you can depend on carriage bolts to hold and last

Feature:This big round domed head designed to eliminate the need for a washer; Square neck underneath the head helps self locking

Material:Bolt:Carbon steel,Zinc Plated;Hexagon nut & washer:304 stainless steel.

Size:Bolt:5/16-18x2".Hex nuts:5/16"-18.Flat washer:5/16".

Strong,durable,corrosion resistant,high hardness,wear resistance.

Suitable for indoor or outdoor use.

Packing includes:10pcs Carriage bolts,10pcs hexagon nuts and 10pcs flat washers.