About this deal
The standard coarse pitch thread metric bolt sizes are: M3, M3.5, M4, M5, M6, M7, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M39. popular. Once, they were typically used in applications requiring tamper resistance; as drivers became providing a flush, snag free fit. Generally manufactured with a full thread, though occasionally some A countersunk headed screw conforming with ISO 10642 or DIN 7991, requiring a hex key (otherwise known For bolts with cut threads where the threads do not comply with EN 1090 the relevant resistances should be multiplied by a factor of 0.85 according to EN1993-1-8 § 3.6.1(3).
head. The wide head also eliminates the need for a washer. Installed using a flat head screwdriver, thealternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much the specification. Nuts are supplied seperately, unlike the mild steel versions available elsewhere on
providing a flush, snag free fit. The head diameter is slightly larger than that of the equivalent DIN
Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads.
has a larger stress area creating better tension than its coarse pitch counterpart, also they are less