M8x70 Steel Carriage Bolt 8.8
M8x70 carriage (mushroom head square neck) bolt, property class 8.8 to DIN 603 / ISO 8677. Carbon steel — square neck locks in wood or square holes; request coating if corrosion protection is required.
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Applications & Usage
M8x70 class 8.8 carriage bolts are used where higher clamp load is needed in wood or square-hole steel joints.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | M8x70 |
| Material | Steel |
| Alloy/Grade | ISO 898-1 class 8.8 |
| Standard | DIN 603 / ISO 8677 |
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Technical guides
Bolt grades and sizes: 8.8, 10.9, 12.9, A2 and A4, and metric hex bolt dimensions
What the property classes 4.8, 8.8, 10.9 and 12.9 and stainless A2-70 and A4-70 mean, minimum strength and tensile loads, metric thread pitch and hex head sizes, DIN 933 vs DIN 931, and which nut goes with which bolt.
Read the guide →Screw types compared: socket head, countersunk, set, carriage, tapping and self-drilling screws, with their DIN and ISO standards
How socket head, button head, countersunk, low-head and set screws differ, what DIN 912, ISO 7380, DIN 7991, DIN 916, DIN 603, DIN 965, DIN 7981 and DIN 7504 stand for, and which screw to order for machinery, timber and sheet metal.
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