M8 × 25 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)25
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
Select sizes and quantities — 96 confirmed sizes to DIN 603
Material
Grade
Carbon SteelStainless SteelAlloy Steel
Finish
| dNominal Diameter (mm) | lLength (mm) | PThread Pitch (mm) | dₛBody Diameter (max) (mm) | dₛBody Diameter (min) (mm) | vSquare Neck Width (max) (mm) | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|---|---|
| M8 | 25 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 30 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 35 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 40 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 45 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 50 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 55 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 60 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 70 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 80 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 90 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 100 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 110 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M8 | 120 | 1.25 | 8 | 7.42 | 8.58 | 1000 | |
| M10 | 20 | 1.5 | 10 | 9.42 | 10.58 | 500 | |
| M10 | 25 | 1.5 | 10 | 9.42 | 10.58 | 500 |
Showing 16 of 96 sizes
M8 × 30 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)30
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 35 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)35
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 40 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)40
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 45 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)45
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 50 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)50
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 55 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)55
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 60 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)60
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 70 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)70
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 80 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)80
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 90 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)90
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 100 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)100
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 110 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)110
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M8 × 120 × 1.25 × 8 × 7.42 × 8.58 × 7.42 × 5.6 × 4.4 × 20.65 × 19.35 × 4.88 × 4.12
dNominal Diameter (mm)M8
lLength (mm)120
PThread Pitch (mm)1.25
dₛBody Diameter (max) (mm)8
dₛBody Diameter (min) (mm)7.42
vSquare Neck Width (max) (mm)8.58
MOQ1000
M10 × 20 × 1.5 × 10 × 9.42 × 10.58 × 9.42 × 6.6 × 5.4 × 24.65 × 23.35 × 5.38 × 4.62
dNominal Diameter (mm)M10
lLength (mm)20
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10
dₛBody Diameter (min) (mm)9.42
vSquare Neck Width (max) (mm)10.58
MOQ500
M10 × 25 × 1.5 × 10 × 9.42 × 10.58 × 9.42 × 6.6 × 5.4 × 24.65 × 23.35 × 5.38 × 4.62
dNominal Diameter (mm)M10
lLength (mm)25
PThread Pitch (mm)1.5
dₛBody Diameter (max) (mm)10
dₛBody Diameter (min) (mm)9.42
vSquare Neck Width (max) (mm)10.58
MOQ500
Product details
- Description
- The cup square neck bolt, manufactured to DIN 603, features a round head and a square neck that resists rotation during assembly. It is supplied in diameters M6 and M8 with lengths from 20 mm to 90 mm. Material options include carbon steel, alloy steel, and stainless steel, with grades 4.8, 8.8, 10.9, A2-70, and A4-80. Surface finishes cover zinc plated, hot dip galvanized, Dacromet, blackened, phosphate, plain, and passivated. When requesting a quotation, specify the required diameter, length, material, grade, and finish.
- Features
- Round head with square neck to prevent turning during tightening · Threaded shank with metric coarse pitch per DIN 603 · Available in M6 and M8 diameters, lengths 20–90 mm · Supplied in carbon steel, alloy steel, and stainless steel with multiple finishes
- 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 Cup Square Neck Bolt (Coach Bolt) do you supply?
Execution standard: DIN 603. The confirmed specification table covers M6–M20 diameters and 20–150 lengths. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Carbon Steel, Stainless Steel, Alloy Steel; Property class: 4.8, 8.8, A2-70, A4-80, 10.9; Finish: Zinc Plated, Hot Dip Galvanized, Dacromet, Blackened, Phosphate, Plain, Passivated. Availability should be confirmed against the selected specification and order quantity.
Can I order DIN 603 against an ISO 8677 drawing?
ISO 8677 is the corresponding standard recorded for DIN 603 in the TAURUS standard library. Send the drawing with your enquiry: the execution standard is confirmed line by line on the quotation, and any dimension that differs between the two tables is pointed out before the order.
