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Library › Hardware › Metric machine screws M1.6–M10: pan head ISO 7045 (cross) / ISO 1580…

M8 ISO 7046-1 countersunk screw envelope

M8 ISO 7046-1 countersunk screw envelope: 90° cone to Ø15.8 mm (dk max) then a short rim to 4.65 mm total head height (kc max), plain Ø8.0 shank, overall length head top to tip 25 mm (Xem's choice); cone built from the published theoretical diameter (theoretical max - d = 2 kc); no cross recess, thread or run-out

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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From the full sheet

Metric machine screws M1.6–M10: pan head ISO 7045 (cross) / ISO 1580 (slotted), cheese head ISO 1207, countersunk ISO 7046-1 — head sizes, recess sizes + models: every size, notes, mating features and sources. What are the head diameter, head height and Phillips recess size of an M3 or M4 pan head, cheese head or countersunk machine screw (ISO 7045, 1580, 1207, 7046)?

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