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High Strength Special ISO Flange Head Bolts

Updated 2026-11-04 · Markdown version

US$0.28500–4,999 pieces

US$24.005,000+ pieces

MOQ 500 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 8.8
Finish: Color-Zinc Plated

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	Carbon Steel
Type	Hexagon Head
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	8.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Color-Zinc Plated
Transport Package	25kgs Per Box,36 Boxes Per Pallet,900kgs Per Palle
Specification	M4-M100
Origin	Ningbo. Zhejiang. China
HS Code	7318150000
Production Capacity	1000ton/Month
Best Competitive Advantages	1.OEM Accepted
Category	Structural & Heavy Hex Bolts

Technical parameters

Product name	Special ISO flange hex bolt
Size	According to the client's demand
Grade:	4.6,4.8,5.6,6.8,8.8,9.8,10.9,etc
Available Material	Stainless steel, titanium,alloy steel,zinc and anluminum alloy,etc.
Surface treatment	Black oxide,Phosphate,Zinc plated,Dacroment,etc
Standard	ISO,BS,ANSI, GB,DIN,JIS,Nonstandard
Quality control	ISO standard,100% Whole range inspection through the production
Advantage	OEM / ODM / customized service provided

Description

High Strength Special ISO Flange Head Bolts is part of our structural & heavy hex bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Carbon Steel
Grade: 8.8
Head Style: Hexagonal
Finish: Color-Zinc Plated
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

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 500 pieces at US$0.28 – 24.00 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 High Strength Special ISO Flange Head Bolts?

The listed minimum order is 500 pieces, at US$0.28 – 24.00 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$0.28 for 500–4,999 pieces; US$24.00 for 5,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of High Strength Special ISO Flange Head Bolts?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon 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 →

Request a quote for this product

US$0.28 – 24.00MOQ 500 piecesGet a quote WA