Speedfit¨ pneumatic couplings, thread adaptor Metric pipe to Imperial thread couplings supplied in sizes 6, 8,10mm. Material specifications; Bodies are produced in an acetal copolymer engineering plastic, especially suitable for pneumatics and corrosion free applications; O-rings are nitrile rubber; collets are produced in acetal copolymer with stainless steel teeth. Specification Speedfit¨ thread adaptors Metric pipe to Imperial thread couplings. Size: 10mm Pipe x 1/4"BSP thread. Pack of 5. For use with nylon tube. Thread adaptors supplied in sizes 6, 8,10mm. Material specifications; the bodies are produced in an acetal copolymer engineering plastic, especially suitable for pneumatics and corrosion free applications; O-rings are nitrile rubber; collets are produced in acetal copolymer with stainless steel teeth. Model No. JGC1014