Overview Reviews Product Description BSW 1/8" 40 Go Thread Ring Gauge Dec. .1250" Frac. 1/8" TPI 40 Class Medium Description 1/8 x40 BSW Go Thread Ring Member Standard BS84 & BS 919 Product Videos Custom Field Product Reviews Write a Review Write a Review × 1/8 x 40 BSW Go Thread Ring Member Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *