M20x55 Steel Construction Hex Bolt 8.8

M20x55 construction hex bolt, property class 8.8 to DIN 7990, with large across-flats for structural steelwork. Carbon steel — pair with matching nuts and washers; request coating if corrosion protection is required.

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Quantity (pieces)

Weight per piece:259 g/pc

Total weight:259 g

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Applications & Usage

M20x55 class 8.8 DIN 7990 bolts are used in steel construction joints with large wrench sizes. For HV prestressed assemblies, see DIN 6914.

Technical Specifications

Specification	Value
Dimensions	M20x55
Weight per Piece	259 g/pc
Material	Steel
Alloy/Grade	ISO 898-1 class 8.8
Standard	DIN 7990

Similar Sizes

Explore alternative dimensions that might suit your needs

M22×55

M22x55 Steel Construction Hex Bolt 8.8

0.326 kg/pc

M16×55

M16x55 Steel Construction Hex Bolt 8.8

0.149 kg/pc

M24×55

M24x55 Steel Construction Hex Bolt 8.8

0.405 kg/pc

M20×50

M20x50 Steel Construction Hex Bolt 8.8

0.247 kg/pc

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.

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