Button Head Socket Screw ISO 7380-1 — M8×40 — 8.8 — Steel
000215ApprovedStandardStd. ref: ISO 7380-1:2022Std. designator: Hexagon socket button head screw ISO 7380-1 - M8 × 40 - 8.8ESX designator: ESX-ISO73801-M8X40-8.8-ST-PL
Hex socket button head screw, M8×40 mm, per ISO 7380-1. Reduced head loadability — marked with a leading zero on the property class.
Engineering Attributes
Dimensions
Head Diameter14 h14 (0/-0.43) mm
Head Height4.4 (0/-0.30) mm
Length40 js15 (±0.50) mm
Shank Diameter8 mm
Thread Length28 mm
Width Across Flats5 (+0.14/+0.02) mm
Material
MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)
External interface
Thread SizeM8×1.25
Drive TypeHex socket (internal hex)
Head TypeButton (ISO 7380)
Locking FeatureNo
Point TypePlain / chamfered
Thread DirectionRight-hand
Thread TypeMetric coarse (M)
Internal properties
Unit Weight16.316 ± 0.429 g
Load DirectionTensile (axial pull)
Property Class8.8
18 attributes
Interchangeability
No interchangeability relationships agreed yet.
Technical data is provided as-is and must be independently verified before use. Terms
Pricing & Availability
Unit of sale: piece