Pipe, lifting and timber fastening

U-Bolts, Eye Bolts & Carriage Bolts
made to order in China.

DIN 3570 pipe U-bolts, DIN 580 lifting eye bolts and DIN 603 carriage bolts for pipe racks, solar structures, lifting points, timber construction and trailers — zinc, hot-dip galvanized or stainless.

Specification first

What to define for u-bolts, eye bolts & carriage bolts.

Built for Pipe-support and solar-structure contractors, rigging distributors, timber and trailer builders, hardware importers. Send a complete RFQ and we confirm price, lead time and documents for your order. MOQ 500 pcs per specification.

DIN 3570 U-boltsDIN 580 lifting eye boltsDIN 603 carriage bolts
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Round-bend pipe U-bolts with two threaded legs
Standard
State number and revision
Material / grade
State governing requirement
Dimensions
State diameter, length and thread
Finish
State coating and test criteria

Applications

Where the category may fit.

Application context helps frame the RFQ; it does not replace engineering selection, approval or the governing project specification.

  • Pipe racks and pipe supports
  • Solar mounting and cable ladders
  • Lifting points on machinery and moulds
  • Timber construction, fencing and trailers

Product details

U-Bolts, Eye Bolts & Carriage Bolts we supply.

Open a product for specifications, sizes, installation notes and an RFQ checklist.

Round-bend pipe U-bolts with two threaded legs
HX-UB01 · DIN 3570 form A

Pipe U-Bolts DIN 3570

DIN 3570 pipe U-bolts: pipe size to thread table, inside width, height and thread length, S235 steel, HDG or stainless, nuts and plates, and how to order.

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Collared lifting eye bolt with threaded shank
HX-EB01 · DIN 580

Lifting Eye Bolts DIN 580

DIN 580 lifting eye bolts M8–M48 in C15E steel: working load limits for axial and 45° lifting, correct use, marking, finishes and how to order from China.

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Domed head square neck carriage bolts
HX-CB01 · DIN 603

Carriage Bolts DIN 603 (Mushroom Head Square Neck)

DIN 603 carriage bolts M5–M20: head diameter, head height, square neck and thread length, grades 4.6–8.8 and A2/A4, finishes, matching nuts and how to order.

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Buyer brief

Name the pipe size for U-bolts, the thread and documents for eye bolts, and the grade and finish for carriage bolts.

A category page helps structure the conversation; the selected source and project documents still control the final requirement.

Watch point

Eye bolts are lifting equipment: state the marking and documents your market requires. EU buyers should check anti-dumping duty on U-bolts from China before ordering.

Include in the RFQ

  • Product, standard and size (DN for U-bolts, thread for eye and carriage bolts)
  • Material, grade and finish
  • Nuts, washers or plates per piece and any documents for lifting products
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Product families

What we supply in this category.

Common product families, materials and finishes buyers request. Send your specification — MOQ 500 pcs per specification, 10–15 days for stock items, 25–30 days for production.

Round-bend pipe U-bolts with two threaded legs
Pipe U-bolt product-family reference; nuts, washers and dimensions specified in the RFQ.
UE-3570DIN 3570 form A

Quoted to your specification

Pipe U-bolts

Round-bend U-bolts that clamp pipes from DN15 to DN500 to steel supports, with threads from M10 upwards.

Common RFQ materials

  • Steel S235JR
  • Stainless steel A2 / A4

Typical applications

  • Pipe racks
  • Cable ladders
  • Solar mounting rails
Finishes, order fields & buyer note

Finish directions to specify

  • Electro-zinc
  • Hot-dip galvanized
  • Plain stainless

Include in the RFQ

  • DN size or pipe OD
  • Thread and finish
  • Nuts, washers or plates
  • Quantity per size

Buyer note: Pipe outside diameter, not nominal bore, decides the fit.

Quotation note: Specifications, availability and documentation are confirmed for each quotation.

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Collared lifting eye bolt with threaded shank
Lifting eye bolt form shown; markings are not a verified load rating. Confirm documentation in the quotation.
UE-580DIN 580 (C15E)

Quoted to your specification

Lifting eye bolts

Forged collar eye bolts for axial lifting, rated by working load limit with a safety factor of 6.

Common RFQ materials

  • Steel C15E
  • Stainless steel A2 / A4

Typical applications

  • Machinery lifting points
  • Moulds and dies
  • Panels and enclosures
Finishes, order fields & buyer note

Finish directions to specify

  • Electro-zinc
  • Hot-dip galvanized
  • Plain stainless

Include in the RFQ

  • Thread size
  • Material and finish
  • Marking and documents
  • Quantity per size

Buyer note: Lift in line with the axis only; angled pulls reduce the working load limit.

Quotation note: Specifications, availability and documentation are confirmed for each quotation.

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Domed head square neck carriage bolts
Carriage bolt product-family reference; exact standard and material specified in the RFQ.
UE-603DIN 603 mushroom head square neck

Quoted to your specification

Carriage bolts

Domed-head square-neck bolts M5–M20 for timber, fencing, trailers and square-hole steel connections.

Common RFQ materials

  • Steel 4.6 / 8.8
  • Stainless steel A2 / A4

Typical applications

  • Timber construction
  • Fencing and playgrounds
  • Trailers and racking
Finishes, order fields & buyer note

Finish directions to specify

  • Zinc plated
  • Hot-dip galvanized
  • Plain stainless

Include in the RFQ

  • Size × length
  • Grade and finish
  • Nuts and washers
  • Quantity per size

Buyer note: Galvanized carriage bolts need oversize-tapped galvanized nuts; order them as a set.

Quotation note: Specifications, availability and documentation are confirmed for each quotation.

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RFQ checklist

Information that supports a useful quotation.

  • Applicable standard and revision, or a controlled drawing
  • Material specification and strength class or grade
  • Diameter, length, pitch and thread tolerance where applicable
  • Finish, coating and performance requirement
  • Order quantity, packaging and labeling expectations
  • Inspection, traceability and documentation requirements

Order terms

Reference terms for this category.

MOQ 500 pcs per specification · 10–15 days for stock items · 25–30 days for production · EXW · FOB · CFR · CIF · DAP from Tianjin, Ningbo, Shanghai, Shenzhen. Size range, grade, finish and documents are confirmed for each quotation.

Category statusOpen for quotation

Send your size list — mixed sizes and finishes can be quoted together.

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Technical references

Read the related specification pages.

Use the reference pages to align standards, dimensions, grades and finish before requesting a quotation.

Metric thread pitch chart

Read the related specification reference before preparing the RFQ.

Zinc-plated vs hot-dip galvanized fasteners

Read the related specification reference before preparing the RFQ.

Related categories

Continue exploring.

HB

Hex Bolts

SH

Socket Head Cap Screws

SB

Stud Bolts

Start with the specification

Send a clearer RFQ.
Build a more reliable supply plan.

Send the standard or drawing, material, grade, size, finish and quantity. We reply within 2 working hours with a quotation or the questions we need answered to quote.

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