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ASTM A325 Standard Heavy Hex Structure Bolts

Updated 2026-11-04 · Markdown version

Model no. 7/16x3 inch

US$0.20 / piece

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

Material: High Strength Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW, GOST, DIN558
Grade: 8.8
Finish: Color-Zinc Plated
Color: Yellow
ASTM Grade: A325
Surface: Black, Galvanize, Ruspert, Dacromet

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

Customization	Available
Material	High Strength Steel
Type	Hexagon Head
Model NO.	7/16x3 inch
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW, GOST, DIN558
Grade	8.8
Finish	Color-Zinc Plated
Color	Yellow
Quality	Class 8.8
Specifications	DIN/ISO/ANSI
ASTM Grade	A325
Surface	Black, Galvanize, Ruspert, Dacromet
Transport Package	Small Box, Bag, Polybag, DIY Box, Carton, Pallet
Specification	DIN, BS, JIS, ANSI
Origin	Zhejiang China
HS Code	731815
Production Capacity	300 Tons/Month
Category	Structural & Heavy Hex Bolts

Technical parameters

Bolt Head	Hex	Round	Mushroom	T	Square	OVAL	CSK
Material	Carbon Steel	Stainless Steel	Alloy Steel	Brass	Copper	Bronze	Aluminum
Grade/Metric	4.8	6.8	8.8	10.9	12.9
Grade/ANSI	A307-A	A307-B	A307-C	J429 Gr 2	J429 Gr 5	J429 Gr 8	J429 Gr8.2
Standards	DIN	ISO	GB	ANSI	JIS	BS	UNI
Threads	UNC	UNF	2A	3A	T threads	Left Thread	ISO
Steel Grade	C1035	C1045	C1020	C1010	Q235	A3	Q195
Surface	Plain	Black	Zinc	YZP	Dacromet	Ruspert	Nickle

Description

ASTM A325 Standard Heavy Hex Structure Bolts is part of our structural & heavy hex bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST, DIN558
Material: High Strength Steel
Grade: 8.8
Head Style: Hexagonal
Finish: Color-Zinc Plated
Connection: Common Bolt
Color: Yellow

Available configurations include material, head style, standard, grade and finish. 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$0.20 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 Standard Heavy Hex Structure Bolts?

The listed minimum order is 10,000 pieces, at US$0.20 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of ASTM A325 Standard Heavy Hex Structure Bolts?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST, DIN558; Material: High Strength Steel; Grade: 8.8; Head Style: Hexagonal; Finish: Color-Zinc Plated. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. 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

More about us → · Request a sample or custom quote →

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US$0.20MOQ 10,000 piecesGet a quote WA