Whitworth thread gauges (BSW/ BSF) supplier
Whitworth thread ring gauges and plug gauges
GO & NOGO, RH(ring hand) & LH(left hand) available
Thread angle: 55°, rounded crests and roots
We have as below BSW thread gauges .
We have as below BSF thread gauges
Class of fit
Whitworth thread plug gauges: Medium and Normal
Whitworth thread ring gauges: Close, Medium and free
We also can produce special whitworth thread gauges according to clients’ special requirement.
We accept payment of T/T (bank transfer), Paypal, and Credit Card payment.
We usually send goods by express, DHL or UPS.
H=0.960 491 P H/6=0.160 082 P ; h=0.640 327 P; r= 0.137 329P
Whitworth thread’s British standard: BS 84:2007
Whitworth thread’s thread gauges standard: BS 912-2:2007
Whiworth thread standard was provided by Joseph Whitworth in 1841, it is the first thread standard in the world.