BS 4377:1991
Current
Date published:
Specification for tapping of holes to receive wire thread inserts (ISO metric threads)
Specifies limits of size for tapped holes to accomodate wire thread inserts to provide ISO metric thread sizes from M1.6 (1.6 mm diameter) to M39 (39 mm diameter) inclusive.
Related Information
21.040.10 Metric screw threads
21.060.99 Other fasteners
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