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ASTM A325 Heavy Hexagonal Structural Bolt High Strength Industry Building Material Structural

Updated 2026-11-04 · Markdown version

Model no. A325

US$0.0610,000–99,999 pieces

US$0.012100,000+ pieces

MOQ 10,000 pieces · Final price confirmed in your quote

Head Style: Hexagonal
Grade: A325,A325m
Finish: Plain,HDG,Black,Galvanized
Package Size: 28.00cm * 25.00cm * 13.50cm
Material: Carbon Steel, Alloy Steel

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	A325
Connection	Common Bolt
Head Style	Hexagonal
Grade	A325,A325m
Application	Machinery, Building
Finish	Plain,HDG,Black,Galvanized
Certification	ISO9001
Delivery Time	25days
MOQ	800kgs
Sample	Free
Durability	Enhanced
Transport Package	25kg/Carton+Pallet or Customization
Specification	1/2 "-1-1/2", M12-M36
Origin	Ningbo, Zhejiang, China
HS Code	7318151001
Production Capacity	2500 Tons/Month
Package Size	28.00cm * 25.00cm * 13.50cm
Package Gross Weight	22.000kg
Customization	Available
Material	Carbon Steel, Alloy Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Our main products are fasteners	bolts, screws, rods, nuts, washers, anchors and rivets.
Keyword	china supplies,OEM/ODM,Manufacturer,screw,bolt,hardware.bolt and nut,fastener,carbon steel,fange nut.hexagonal nut.stainless steel nut,zlfastener,sinofastener
Category	Structural & Heavy Hex Bolts

Technical parameters

Standard	ASTM A325/A325M
Size	1/2 "-1-1/2" or M12-M36
Specification	Inch,Metric
Finish	Plain,Black,HDG,Galvanized
Material	Carbon steel,Alloy Steel
Packing	25KG carton + pallet or customization
MOQ	1 ton (usually)

Description

ASTM A325 Heavy Hexagonal Structural Bolt High Strength Industry Building Material Structural is part of our structural & heavy hex bolts range (Bolts).

Key details

Type: Hexagon Head
Material: Carbon Steel, Alloy Steel
Grade: A325,A325m
Head Style: Hexagonal
Finish: Plain,HDG,Black,Galvanized
Connection: Common Bolt
Application: Machinery, Building
Certification: ISO9001

Available configurations include head style, grade, finish, package size and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.012 – 0.06 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for ASTM A325 Heavy Hexagonal Structural Bolt High Strength Industry Building Material Structural?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.06 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.06 for 10,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of ASTM A325 Heavy Hexagonal Structural Bolt High Strength Industry Building Material Structural?

Type: Hexagon Head; Material: Carbon Steel, Alloy Steel; Grade: A325,A325m; Head Style: Hexagonal; Finish: Plain,HDG,Black,Galvanized; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, grade, finish, package size and material. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other structural & heavy hex bolts are available?

The Structural & Heavy Hex Bolts category lists 2,565 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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US$0.012 – 0.06MOQ 10,000 piecesGet a quote WA