Designed to check both internal and external thread forms.
Marked with nominal size on each blade.
All blades fixed in a steel sleeve
Moore and Wright History - Founded in 1906 by innovative young engineer Frank Moore, Moore & Wright has been designing, manufacturing and supplying precision measuring equipment to global industry for over 100 years. With roots fixed firmly in Sheffield, England, the company began by manufacturing a range of calipers, screwdrivers, punches and other engineer’s tools
No. of blades - 30.
Size - 60°.
Thread per mm - 4,4.5,5,5.5,6,7,8,9,10,11,11.5,12, 13,14,15,16,18,20,22,24,26,27,28, 30,32,34,36,38,40,42
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