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Bolts › U-Bolts & J-Bolts

Customized OEM ODM J Hook U Bolt for Roofing

Updated 2026-11-04 · Markdown version

Model no. U Bolt

US$0.60100–999 pieces

US$0.061,000–9,999 pieces

US$0.01210,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Round
Standard: DIN, ANSI, GB
Grade: 12.9
Size: M6, M8, M10, M12, M20, M48
Coating: Plain,Black Oxide, Zinc Plated(Clear/Blue/Yellow/B
Diameter: M6, M8, M10, 1/2", 3/4", 7/8", 1 1/2"
Length: 10, 20, 40, 60, 1", 2", 3"

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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

Customization	Available
Material	Carbon Steel
Connection	Common Bolt
Model NO.	U Bolt
Head Style	Round
Standard	DIN, ANSI, GB
Grade	12.9
Application	Machinery, Chemical Industry, Environmental, Building
Product	U L J Bolt
Size	M6, M8, M10, M12, M20, M48
Coating	Plain,Black Oxide, Zinc Plated(Clear/Blue/Yellow/B
Diameter	M6, M8, M10, 1/2", 3/4", 7/8", 1 1/2"
Length	10, 20, 40, 60, 1", 2", 3"
Thread Length	10, 20, 40, 60, 1", 2", 3"
Packing	Carton and Pallet
Shipping Method	Express, Air, Sea, Train
Production	Standard/Customized
Area	Industry, Machine, Building
Payment Term	Tt 50% Deposit
Using	Right Hand Threads
Sample	Accepted
Lead Time	15-60 Days
Head Mark	Customized
Transport Package	Carton and Pallet
Specification	25kg/ carton, 900kg/pallet
Origin	Jiangsu
Production Capacity	100000
Package Size	25.00cm * 25.00cm * 17.00cm
Package Gross Weight	25.000kg
Thread	M,UNC,UNF
Finish	Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Equipments	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability	1000 tons per month
MinimumOrder	according to customer demand
Trade Term	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment	T/T, L/C,West union,Paypal.etc
Market	Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
Professional	More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantage	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us
Category	U-Bolts & J-Bolts

Technical parameters

Standard:	ASTM A325, A490,A354 Gr. BC,A354 Gr. BC ; A307 Gr. B
Diameter:	1/4"-4",M4-M100
Length:	≤800mm or 30"
Material:	Carbon Steel, Alloy Steel, Stainless Steel, Brass
Grade:	ASTM A325, A490,A354 Gr. BC ; A307 Gr. B
Thread:	M,UNC,UNF
Finish:	Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Equipments:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability:	1000 tons per month
MinimumOrder:	according to customer demand
Trade Term:	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:	T/T, L/C,West union,Paypal.etc
Market:	Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
Professional:	More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantage:	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice:	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

Description

Customized OEM ODM J Hook U Bolt for Roofing is part of our u-bolts & j-bolts range (Bolts).

Key details

Standard: DIN, ANSI, GB
Material: Carbon Steel
Grade: 12.9
Size: M6, M8, M10, M12, M20, M48
Diameter: M6, M8, M10, 1/2", 3/4", 7/8", 1 1/2"
Thread: M,UNC,UNF
Length: 10, 20, 40, 60, 1", 2", 3"
Head Style: Round

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.012 – 0.60 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 Customized OEM ODM J Hook U Bolt for Roofing?

The listed minimum order is 100 pieces, at US$0.012 – 0.60 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$0.60 for 100–999 pieces; US$0.06 for 1,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Customized OEM ODM J Hook U Bolt for Roofing?

Standard: DIN, ANSI, GB; Material: Carbon Steel; Grade: 12.9; Size: M6, M8, M10, M12, M20, M48; Diameter: M6, M8, M10, 1/2", 3/4", 7/8", 1 1/2"; Thread: M,UNC,UNF. 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 size. 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 u-bolts & j-bolts are available?

The U-Bolts & J-Bolts category lists 2,391 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-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$0.012 – 0.60MOQ 100 piecesGet a quote WA