Round Pipe U-Bolt
DIN 3570 (Current)
- Material
- Stainless Steel, Carbon Steel
- Property Class
- A2-70, A4-80, 4.8
- Finish
- Passivated, Plain, Zinc Plated, Hot Dip Galvanized
- Size range
- 23–120
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Select sizes and quantities — 9 confirmed sizes to DIN 3570
Material
Grade
Stainless SteelCarbon Steel
Finish
| dNominal Diameter (mm) | D₁Pipe OD (min) (mm) | D₁Pipe OD (max) (mm) | bThread Length (mm) | D₂Rod Diameter (mm) | D₃Thread Size | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|---|---|
| 23 | 20 | 21 | 30 | 10 | M10 | 100 | |
| 30 | 25 | 26.9 | 40 | 10 | M10 | 100 | |
| 38 | 30 | 33.7 | 40 | 10 | M10 | 100 | |
| 46 | 38 | 42.4 | 40 | 10 | M10 | 100 | |
| 52 | 44.5 | 48.3 | 40 | 10 | M10 | 100 | |
| 64 | 57 | 60.3 | 50 | 12 | M12 | 100 | |
| 82 | 76.1 | 76.1 | 50 | 12 | M12 | 100 | |
| 94 | 88.9 | 88.9 | 50 | 12 | M12 | 100 | |
| 120 | 108 | 114.3 | 60 | 16 | M16 | 100 |
Showing 9 of 9 sizes
dNominal Diameter (mm)23
D₁Pipe OD (min) (mm)20
D₁Pipe OD (max) (mm)21
bThread Length (mm)30
D₂Rod Diameter (mm)10
D₃Thread SizeM10
MOQ100
30 × 25 × 26.9 × 40 × 10 × M10 × 40 × 70
dNominal Diameter (mm)30
D₁Pipe OD (min) (mm)25
D₁Pipe OD (max) (mm)26.9
bThread Length (mm)40
D₂Rod Diameter (mm)10
D₃Thread SizeM10
MOQ100
38 × 30 × 33.7 × 40 × 10 × M10 × 48 × 76
dNominal Diameter (mm)38
D₁Pipe OD (min) (mm)30
D₁Pipe OD (max) (mm)33.7
bThread Length (mm)40
D₂Rod Diameter (mm)10
D₃Thread SizeM10
MOQ100
46 × 38 × 42.4 × 40 × 10 × M10 × 56 × 86
dNominal Diameter (mm)46
D₁Pipe OD (min) (mm)38
D₁Pipe OD (max) (mm)42.4
bThread Length (mm)40
D₂Rod Diameter (mm)10
D₃Thread SizeM10
MOQ100
52 × 44.5 × 48.3 × 40 × 10 × M10 × 62 × 92
dNominal Diameter (mm)52
D₁Pipe OD (min) (mm)44.5
D₁Pipe OD (max) (mm)48.3
bThread Length (mm)40
D₂Rod Diameter (mm)10
D₃Thread SizeM10
MOQ100
64 × 57 × 60.3 × 50 × 12 × M12 × 76 × 109
dNominal Diameter (mm)64
D₁Pipe OD (min) (mm)57
D₁Pipe OD (max) (mm)60.3
bThread Length (mm)50
D₂Rod Diameter (mm)12
D₃Thread SizeM12
MOQ100
82 × 76.1 × 76.1 × 50 × 12 × M12 × 94 × 125
dNominal Diameter (mm)82
D₁Pipe OD (min) (mm)76.1
D₁Pipe OD (max) (mm)76.1
bThread Length (mm)50
D₂Rod Diameter (mm)12
D₃Thread SizeM12
MOQ100
94 × 88.9 × 88.9 × 50 × 12 × M12 × 106 × 138
dNominal Diameter (mm)94
D₁Pipe OD (min) (mm)88.9
D₁Pipe OD (max) (mm)88.9
bThread Length (mm)50
D₂Rod Diameter (mm)12
D₃Thread SizeM12
MOQ100
120 × 108 × 114.3 × 60 × 16 × M16 × 136 × 171
dNominal Diameter (mm)120
D₁Pipe OD (min) (mm)108
D₁Pipe OD (max) (mm)114.3
bThread Length (mm)60
D₂Rod Diameter (mm)16
D₃Thread SizeM16
MOQ100
Product details
- Description
- Round Pipe U-Bolt is offered to DIN 3570. Confirmed supply combinations are listed in the specification table. For quotation, send the required size, quantity, finish, packing and document requirements.
- Features
- Form and dimensions fixed by DIN 3570 · Thread form defined by DIN 3570 · Stainless Steel and Carbon Steel options · Class A2-70, A4-80 and 4.8 · Passivated, Plain and more finish
- Applications
- General machinery assembly, Equipment mounting, Maintenance and repair work
Order assurance
Confirmed for the quoted product and order.Reports & inspection
Agreed in the quotation.
- EN 10204 3.1 material certificate
- Dimensional inspection report
- Certificate of conformity
- Mechanical test report
- Chemical analysis report
- Coating inspection report
- Batch and lot traceability
Packaging & delivery
Options we supply.
- Bulk carton packing
- Small boxes with outer cartons
- Palletized shipment
- Fumigation-free pallets
- Inner poly bags
- Buyer branding and labels
Product questions
What sizes of Round Pipe U-Bolt do you supply?
Execution standard: DIN 3570. The confirmed specification table covers 23–120 diameters. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Stainless Steel, Carbon Steel; Property class: A2-70, A4-80, 4.8; Finish: Passivated, Plain, Zinc Plated, Hot Dip Galvanized. Availability should be confirmed against the selected specification and order quantity.
Where are these bolts typically used?
Typical applications include General machinery assembly, Equipment mounting, Maintenance and repair work. Final suitability depends on the selected material, grade, finish and operating conditions.

