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SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS(COMMON HEAD STYLE)
Specifications
1 2 ISO 225 Fasteners — Bolts, screws, studs and nuts — Symbols and designations of dimensions
ISO 1478 Tapping screws thread
ISO 2702 Heat-treated steel tapping screws — Mechanical properties
ISO 3269 Fasteners —Acceptance inspection
ISO 4042 Threaded components — Electroplated coatings components
ISO 4759/1 Tolerances for fasteners — Part 1: Bolts, screws and nuts with thread diameter > 1,6 and < 150 mm and product grades A, ISO 7721 Countersunk head screws — Head configurations and gauging.
ISO 225 ISO 1478 ISO 2702 ISO 3269 ISO 4042 ISO 4759/1 ISO 7721
2,2 ST 2,9 ST 3,5 ST 4,2 ST
4,8 ST 5,5 ST 6,3 ST 8 ST 9,5
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