Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
USA INDUSTRIALS Low Strength Steel Square Head Bolt - Low Strength Steel Square Head Bolts
USA INDUSTRIALSLow Strength Steel Square Head Bolts

USA INDUSTRIALS Low Strength Steel Square Head Bolt

USA INDUSTRIALS Square Head Bolts are low-strength steel fasteners, Grade 2, plain finish, with a 1/2"-13 thread size and 3 1/2 in length, sold in packs of 5 (MPN ZBOLT-2309).

SKU 3G-OTH-676983

Also listed as: ZBOLT2309 · ZBOLT 2309

Brand
USA INDUSTRIALS
Item
Low Strength Steel Square Head Bolt
Part Number
ZBOLT-2309
Category
Low Strength Steel Square Head Bolts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZBOLT-2309
Type
Grade 2, Plain, 3 1/2 in lg, 5 PK
Thread Size
1/2"-13

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

USA INDUSTRIALS Square Head Bolts are low-strength steel fasteners, Grade 2, plain finish, with a 1/2"-13 thread size and 3 1/2 in length, sold in packs of 5 (MPN ZBOLT-2309).

Frequently Asked Questions

What is a USA INDUSTRIALS Square Head Bolt used for?

A USA INDUSTRIALS Square Head Bolt is a low-strength steel fastener, Grade 2, plain finish, with a 1/2"-13 thread size and 3 1/2 in length. It is commonly used in general industrial applications where a square head prevents rotation during tightening, such as in machinery assembly or structural connections.

What are the specifications of the USA INDUSTRIALS Square Head Bolt ZBOLT-2309?

The USA INDUSTRIALS Square Head Bolt ZBOLT-2309 is a Grade 2 steel fastener with a plain finish, 1/2"-13 thread size, and 3 1/2 in length. It is sold in packs of 5. This low-strength bolt is suitable for light-duty industrial fastening where corrosion resistance is not required.

Where to buy USA INDUSTRIALS Square Head Bolts worldwide?

3G Electric supplies USA INDUSTRIALS Square Head Bolts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners like the ZBOLT-2309 to your facility. Contact us for availability and lead time on this Grade 2, plain finish bolt.

How to select the right Square Head Bolt for industrial use?

To select the right Square Head Bolt, match thread size (e.g., 1/2"-13), length (e.g., 3 1/2 in), and grade (e.g., Grade 2 for low-strength applications). Ensure the square head fits your assembly to prevent rotation. For plain finish bolts like USA INDUSTRIALS ZBOLT-2309, consider environmental exposure and whether a coated option is needed.

Used in

Common applications for USA INDUSTRIALS
Petrochemical industry — USA Industrials A193 B7 heavy hex bolts used in high-temperature flange connections on process piping.
Power generation — A193 B7 heavy hex bolts for bolting applications in steam lines and turbine housings.
Structural steel — Heavy hex bolts for high-strength structural connections in industrial buildings and equipment.
Maintenance and repair — Small packs of A193 B7 bolts for on-site replacement in high-pressure systems.
Chemical processing — Corrosion-resistant bolting for reactors and heat exchangers where elevated temperatures are present.
Oil and gas — A193 B7 bolts for wellhead and pipeline flange assemblies requiring reliable sealing.
Not sure this is the right part? Photo-identify it→

USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS low strength steel square head bolts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from USA INDUSTRIALS

View all USA INDUSTRIALS parts →
Square head bolt made from low strength steel, Grade 2, with a plain finish. Thread size 3/4"-10, length 2-1/2 inches, partially threaded. Commonly used in general fastening applications such as industrial machinery, structural assemblies, and equipment mounting
USA INDUSTRIALS
Square head bolt made from low strength steel, Grade 2, with a plain finish. Thread size 3/4"-10, length 2-1/2 inches, partially threaded. Commonly used in general fastening applications such as industrial machinery, structural assemblies, and equipment mounting

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first