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Linear Tools
Screw Ring Gauges. UNF - Class 2a

'GO' / 'NO GO'


Product Ref: 346

Thread Size x t.p.i.
1/4 x 28
5/16 x 24
3/8 x 24
7/16 x 20
1/2 x 20
9/10 x 18
5/8 x 18
3/4 x 10


To order, call us on 01903 216666