M8 × 20 × 1.25 × 8.58 × 7.42 × 5.9 × 5.1 × 8.75 × 7.25 × 18.9 × 17.1 × 0.5
dNominal Diameter (mm)M8
lLength (mm)20
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8.58
dₛBody Diameter (min) (mm)7.42
kHead Height (max) (mm)5.9
MOQ500
T-Head Bolt
DIN 261 (Current)
- Material
- Stainless Steel, Carbon Steel
- Property Class
- A2-70, A4-80, 8.8
- Finish
- Passivated, Plain, Zinc Plated
- Size range
- M8, M10, M12
Share
Select sizes and quantities — 14 confirmed sizes to DIN 261
Material
Grade
Stainless SteelCarbon Steel
Finish
| dNominal Diameter (mm) | lLength (mm) | PThread Pitch (mm) | dₛBody Diameter (max) (mm) | dₛBody Diameter (min) (mm) | kHead Height (max) (mm) | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|---|---|
| M8 | 20 | 1.25 | 8.58 | 7.42 | 5.9 | 500 | |
| M8 | 25 | 1.25 | 8.58 | 7.42 | 5.9 | 500 | |
| M8 | 30 | 1.25 | 8.58 | 7.42 | 5.9 | 500 | |
| M8 | 35 | 1.25 | 8.58 | 7.42 | 5.9 | 500 | |
| M8 | 40 | 1.25 | 8.58 | 7.42 | 5.9 | 500 | |
| M10 | 25 | 1.5 | 10.58 | 9.42 | 7.5 | 300 | |
| M10 | 30 | 1.5 | 10.58 | 9.42 | 7.5 | 300 | |
| M10 | 35 | 1.5 | 10.58 | 9.42 | 7.5 | 300 | |
| M10 | 40 | 1.5 | 10.58 | 9.42 | 7.5 | 300 | |
| M10 | 50 | 1.5 | 10.58 | 9.42 | 7.5 | 300 | |
| M12 | 30 | 1.75 | 12.7 | 11.3 | 8.75 | 200 | |
| M12 | 40 | 1.75 | 12.7 | 11.3 | 8.75 | 200 | |
| M12 | 50 | 1.75 | 12.7 | 11.3 | 8.75 | 200 | |
| M12 | 60 | 1.75 | 12.7 | 11.3 | 8.75 | 200 |
Showing 14 of 14 sizes
M8 × 25 × 1.25 × 8.58 × 7.42 × 5.9 × 5.1 × 8.75 × 7.25 × 18.9 × 17.1 × 0.5
dNominal Diameter (mm)M8
lLength (mm)25
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8.58
dₛBody Diameter (min) (mm)7.42
kHead Height (max) (mm)5.9
MOQ500
M8 × 30 × 1.25 × 8.58 × 7.42 × 5.9 × 5.1 × 8.75 × 7.25 × 18.9 × 17.1 × 0.5
dNominal Diameter (mm)M8
lLength (mm)30
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8.58
dₛBody Diameter (min) (mm)7.42
kHead Height (max) (mm)5.9
MOQ500
M8 × 35 × 1.25 × 8.58 × 7.42 × 5.9 × 5.1 × 8.75 × 7.25 × 18.9 × 17.1 × 0.5
dNominal Diameter (mm)M8
lLength (mm)35
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8.58
dₛBody Diameter (min) (mm)7.42
kHead Height (max) (mm)5.9
MOQ500
M8 × 40 × 1.25 × 8.58 × 7.42 × 5.9 × 5.1 × 8.75 × 7.25 × 18.9 × 17.1 × 0.5
dNominal Diameter (mm)M8
lLength (mm)40
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8.58
dₛBody Diameter (min) (mm)7.42
kHead Height (max) (mm)5.9
MOQ500
M10 × 25 × 1.5 × 10.58 × 9.42 × 7.5 × 6.5 × 10.75 × 9.25 × 22 × 20 × 0.5
dNominal Diameter (mm)M10
lLength (mm)25
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10.58
dₛBody Diameter (min) (mm)9.42
kHead Height (max) (mm)7.5
MOQ300
M10 × 30 × 1.5 × 10.58 × 9.42 × 7.5 × 6.5 × 10.75 × 9.25 × 22 × 20 × 0.5
dNominal Diameter (mm)M10
lLength (mm)30
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10.58
dₛBody Diameter (min) (mm)9.42
kHead Height (max) (mm)7.5
MOQ300
M10 × 35 × 1.5 × 10.58 × 9.42 × 7.5 × 6.5 × 10.75 × 9.25 × 22 × 20 × 0.5
dNominal Diameter (mm)M10
lLength (mm)35
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10.58
dₛBody Diameter (min) (mm)9.42
kHead Height (max) (mm)7.5
MOQ300
M10 × 40 × 1.5 × 10.58 × 9.42 × 7.5 × 6.5 × 10.75 × 9.25 × 22 × 20 × 0.5
dNominal Diameter (mm)M10
lLength (mm)40
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10.58
dₛBody Diameter (min) (mm)9.42
kHead Height (max) (mm)7.5
MOQ300
M10 × 50 × 1.5 × 10.58 × 9.42 × 7.5 × 6.5 × 10.75 × 9.25 × 22 × 20 × 0.5
dNominal Diameter (mm)M10
lLength (mm)50
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10.58
dₛBody Diameter (min) (mm)9.42
kHead Height (max) (mm)7.5
MOQ300
M12 × 30 × 1.75 × 12.7 × 11.3 × 8.75 × 7.25 × 12.9 × 11.1 × 27 × 25 × 1
dNominal Diameter (mm)M12
lLength (mm)30
PThread Pitch (mm)1.75
dₛBody Diameter (max) (mm)12.7
dₛBody Diameter (min) (mm)11.3
kHead Height (max) (mm)8.75
MOQ200
M12 × 40 × 1.75 × 12.7 × 11.3 × 8.75 × 7.25 × 12.9 × 11.1 × 27 × 25 × 1
dNominal Diameter (mm)M12
lLength (mm)40
PThread Pitch (mm)1.75
dₛBody Diameter (max) (mm)12.7
dₛBody Diameter (min) (mm)11.3
kHead Height (max) (mm)8.75
MOQ200
M12 × 50 × 1.75 × 12.7 × 11.3 × 8.75 × 7.25 × 12.9 × 11.1 × 27 × 25 × 1
dNominal Diameter (mm)M12
lLength (mm)50
PThread Pitch (mm)1.75
dₛBody Diameter (max) (mm)12.7
dₛBody Diameter (min) (mm)11.3
kHead Height (max) (mm)8.75
MOQ200
M12 × 60 × 1.75 × 12.7 × 11.3 × 8.75 × 7.25 × 12.9 × 11.1 × 27 × 25 × 1
dNominal Diameter (mm)M12
lLength (mm)60
PThread Pitch (mm)1.75
dₛBody Diameter (max) (mm)12.7
dₛBody Diameter (min) (mm)11.3
kHead Height (max) (mm)8.75
MOQ200
Product details
- Description
- T-Head Bolt DIN 261 is supplied to the execution standard shown above in sizes M8–M12. Confirmed supply covers Stainless Steel and Carbon Steel, class A2-70, A4-80 and 8.8, Passivated, Plain and more finish. Every combination in the specification table below is a combination we actually supply — the table is the authoritative list, not a catalogue extract. To receive a quotation, send the size, quantity, finish and any document requirement; mixed sizes in one order are welcome.
- Features
- Rectangular T-head for insertion into T-slots · Threaded over the full length up to the head · Available in M8, M10, M12 with lengths from 20 mm to 60 mm · Supplied in stainless steel A2-70, A4-80 and carbon steel 8.8
- Applications
- Solar mounting rails and PV structures, Machine tool T-slot fixtures and workholding, Facade and curtain wall channel connections
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 T-Head Bolt do you supply?
Execution standard: DIN 261. The confirmed specification table covers M8–M12 diameters and 20–60 lengths. 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, 8.8; Finish: Passivated, Plain, Zinc Plated. Availability should be confirmed against the selected specification and order quantity.
Where are these channel bolts typically used?
Typical applications include Solar mounting rails and PV structures, Machine tool T-slot fixtures and workholding, Facade and curtain wall channel connections. Final suitability depends on the selected material, grade, finish and operating conditions.
