Specification for ISO metric black cup and countersunk head bolts and screws with hexagon nuts Ingestion-build-59651 and therefore doesn’t contain an

and therefore doesn’t contain an additional national foreword

It excludes chemical test kits and laboratory analysers

in a reflective or a magneto optic (MO) layer

winches for log splitters

Specification for ISO metric black cup and countersunk head bolts and screws with hexagon nuts Ingestion-build-59651 and therefore doesn’t contain an1 Scope This British Standard specifies requirements and provides general dimensions and tolerances for the following types of cup head and countersunk head bolts and screws: cup head bolts and screws; cup head bolts with nibs; cup head square neck bolts; 90 countersunk head bolts and screws; 90 countersunk head bolts with nibs; 90 countersunk head square neck bolts; 120 countersunk head square neck bolts. Mechanical properties for steel bolts and