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ASTM A490 Black Oxide High Strength Hex Structural Bolts

Updated 2026-11-04 · Markdown version

Model no. ASTM A490

US$0.3610,000–999,999 pieces

US$0.0361,000,000+ pieces

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

Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 8.8
Finish: Black
Testing Standard: ISO 9001
Package Size: 25.00cm * 15.00cm * 15.00cm
Material: Carbon Steel
Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449

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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.	ASTM A490
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	8.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Black
Combination Washer Packaging	All Inclusive
Testing Standard	ISO 9001
Trade Term	Fob; CIF; DAP; DDP
Transport Package	Carton and Pallet
Specification	3/4"
Origin	China
HS Code	731815
Production Capacity	500 Tons/Month
Package Size	25.00cm * 15.00cm * 15.00cm
Package Gross Weight	20.000kg
Lead Time	45 days (1 - 1000000 Pieces) To be negotiated ( > 1000000 Pieces)
Customization	Available
Material	Carbon Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Stainless Steel	SS201, SS303, SS304, SS316,SS316L,SS904L,F593
Steel Grade	DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449
M2-M24	Cold Froging,M24-M100 Hot Forging,
Packing	Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed.
Delivery	1. Express such as FedEX/ DHL/ UPS/ TNT for samples.
Category	Structural & Heavy Hex Bolts

Technical parameters

Products Name	Bolts
Standards	DIN,ASTM/ANSI,JIS,EN,ISO,AS,GB
Surface Treatment	Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Material	Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593
Grade	Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449
Size	M2-M100; Customized
Production Process	M2-M24:Cold Froging,M24-M100 Hot Forging,Machining and CNC for Customized fastener
Avaliable Packing	Bulk in cartons +wood Pallet or according to customer special demand
Delivery Method	By sea/ By air/ By express

Description

ASTM A490 Black Oxide High Strength Hex Structural 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: Black
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

Available configurations include head style, standard, grade, finish and testing standard. 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$0.036 – 0.36 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 A490 Black Oxide High Strength Hex Structural Bolts?

The listed minimum order is 10,000 pieces, at US$0.036 – 0.36 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$0.36 for 10,000–999,999 pieces; US$0.036 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of ASTM A490 Black Oxide High Strength Hex Structural Bolts?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 8.8; Head Style: Hexagonal; Finish: Black. 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, standard, grade, finish and testing standard. 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$0.036 – 0.36MOQ 10,000 piecesGet a quote WA