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Carbon Steel Bolts

Carbon Steel Bolts

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Carbon Steel square head machine bolts Square Bolts

Place of Origin:

Shanghai /Zhejiang ,China

Brand Name:


Model Number:

M5-M72, 1/4”--3”




Minimum Order Quantity:

200kg Or Based on Requirement


0.1usd-0.5 usd per Size

Packaging Details:

Bulk in carton or small package then pallet

Delivery Time:

15-30 days or based on required

Payment Terms:

TT,LC ,Western Union

Supply Ability:


Carbon Steel square head machine bolts Square BoltsQuick Detail:

1. Stock For All Standard Item,Fastest Leading
2. OEM &ODM is acceptable
3. Square Bolts Supplier & Exporter From China
4. Highly skilled teams on hand to provide expert advice and solutions

Square Head Bolt Specs

We can create custom and standard square head bolts for customers in any industry, in almost any size. We can create them in diameters from a half-inch to 2 inches. We can do Plain, zinc and hdg, and custom thread these square head bolts too. Each bolt can come in grades 2, 5, and 8, and we also have a stainless-steel series which 304 square head bolts  and 316 square head bolts .

Advantages and application range of square head bolt

Square head bolts are used in applications where visibility is limited but durable fastening is required, Primarily used for aesthetics in new buildings or in the railroad industry.
Square head bolts are generally made of mild steel or medium carbon steel. They have square-shaped external wrenching heads,These Square head bolts have large, flat sides and are easy to tighten connections to machinery and equipment with a wrench.
Square heads bolts are best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind. It is simple to fit a tool over the square shape even when there are no visual markers available.
If the black oxide surface is used for square head bolts, they will be resistant to corrosion in a dry environment.Our selection of Grade A square head bolts come in A307 Plain, Zinc and HDG as well as a variety of sizes to suit the job at hand.







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