Zoro Select
Zoro Select M08250.100.0030 Carriage Bolt M10-1.50 30 mm Class 4.6 PK100
Zinc-plated steel M10 carriage bolts, 30 mm long, Class 4.6 strength, DIN 603 compliant, pack of 100
- TypeScrews & Bolts
- Metric M10-1.50 coarse thread fits standard tapped holes
- Class 4.6 steel rated at 58,000 psi tensile strength
- Zinc plated finish resists corrosion in damp environments
- Square neck locks into wood or metal to prevent rotation
- Pack of 100 carriage bolts covers large fastening jobs
Zoro Select M10 Carriage Bolts
These Zoro Select carriage bolts come in a pack of 100 pieces with an M10 by 1.50 metric coarse thread and a 30 mm fastener length. They are manufactured to DIN 603 standards from Class 4.6 steel with a zinc-plated finish for corrosion resistance. The round head measures between 23.35 and 24.65 mm in diameter with a 5.38 mm height. A square neck of 10.58 mm width and 6.60 mm height prevents rotation during tightening.
Suited for metal-to-wood joints needing a smooth
The square neck locks into wood or soft metal so the bolt will not spin when the nut is tightened, making these ideal for timber construction, fencing and trailer beds where a flush, rounded head is preferred. Builders who require a higher tensile rating than the 58,000 psi Class 4.6 rating provides should select a stronger grade. Projects demanding stainless steel or hot-dip galvanised corrosion protection will need a different fastener finish.
Consistent clamping under sustained load
Class 4.6 steel yields predictably under continuous tension, so clamping force remains stable in structural assemblies such as deck frames or machinery bases where vibration occurs. The zinc plating resists surface oxidation that could accelerate thread wear over long service periods. The right-hand metric coarse thread allows straightforward disassembly for maintenance without special tools.
Highlights
- Metric M10-1.50 coarse thread fits standard tapped holes
- Class 4.6 steel rated at 58,000 psi tensile strength
- Zinc plated finish resists corrosion in damp environments
- Square neck locks into wood or metal to prevent rotation
- Pack of 100 carriage bolts covers large fastening jobs
Specifications
| Brand | ZORO SELECT |
|---|---|
| Type | Screws & Bolts |
Questions about this item
What size spanner or socket fits the M10-1.50 carriage bolt head?
The head diameter ranges from 23.35 to 24.65 mm, so a 24 mm spanner or socket will fit the round head.
Will these Class 4.6 bolts match the strength of existing Class 8.8 fasteners in the same joint?
Class 4.6 tensile strength is 58,000 psi, which is lower than Class 8.8, so they should not be mixed in critical structural joints.
How can I confirm the square neck seats properly after installation?
The square neck width is 10.58 mm and height is 6.60 mm; when driven into a matching square hole the round head should sit flush with no rotation.
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