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Description / Abstract:
Note: Nothing in this standard supercedes
applicable laws and regulations.
Note: In the event of conflict between the
English and domestic language, the English language shall take
precedence.
Purpose. This standard specifies the
characteristics of pilot points with truncated cone for external
ISO metric threaded fasteners with coarse pitch M5, M6, M8, M10,
M12, M14, and M16. The points are added to the specified nominal
length of the fastener. This standard is based on ISO 4753, Type
PC. Tolerance requirement is based on ISO 286.
Applicability. This fastener point is an
alternative to the M-point standard. The truncated point style is
available for use where an M-point fastener may not have sufficient
diametrical clearance at the point end. i.e., drilled and tapped
holes.
Remarks. This standard is an alternative point
construction which is, not preferred, but an alternative to General
Motors preferred point configuration as described in GMW3362,
M-Point for External Metric Thread, Course Pitch Fasteners. Seek GM
Fastening Engineering Approval prior to use.