1.Offer Plastic Blind Stopper; 2.Nickel-plated brass,NBR,EPDM; 3.CE,RoHS,IP68; 4.PG,NPT,G,Metric; 5.Professional Manufacture Offer Plastic Blind Stopper *Application: To be used where existing threaded holes need to be closed.*Thread Range: PG7 to PG63; NPT1/4 to NPT3; G1/4 to G3; M12*1.5 to M100*1.5.*Protection Degree: IP68 (Thread position with washer) .*Operating Temperature: Static state from ...