Button Head Socket Screw ISO 7380-1 — M16×55 — 8.8 — Steel
000218ApprovedStandardStd. ref: ISO 7380-1:2022Std. designator: Hexagon socket button head screw ISO 7380-1 - M16 × 55 - 8.8ESX designator: ESX-ISO73801-M16X55-8.8-ST-PL
Hex socket button head screw, M16×55 mm, per ISO 7380-1. Reduced head loadability — marked with a leading zero on the property class.
Engineering Attributes
Dimensions
Head Diameter28 h14 (0/-0.52) mm
Head Height8.8 (0/-0.36) mm
Length55 js15 (±0.60) mm
Shank Diameter16 mm
Thread Length48 mm
Width Across Flats10 (+0.175/+0.025) mm
Material
MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)
External interface
Thread SizeM16×2
Drive TypeHex socket (internal hex)
Head TypeButton (ISO 7380)
Locking FeatureNo
Point TypePlain / chamfered
Thread DirectionRight-hand
Thread TypeMetric coarse (M)
Internal properties
Unit Weight96.00 ± 2.08 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