Machine Screw, Countersunk Head Pozi, BS 1981, UNF, Mild Steel Grade 4.8, Zinc Plated
A countersunk machine screw is fastened into a tapped hole with a nut
Fastener is flush with surface
Material Grade | 4.8 |
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Finish | Zinc |
Thread | Unified Fine (UNF) |
These products comply with the following standards:
BS 1981:1991 | Specification for Unified machine screws and machine screw nuts |
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