plugs Square-Head Plugs Dimensions Caplugs No. TPN-1 TPN-3 TPN-5 TPN-7 TPN-9 TPN-11 TPN-13 TPN-15 B To Plug NPT Thread Size 1/8 - 27 1/4 - 18 3/8 - 18 1/2 - 14 3/4 - 14 1-11 - 1/2 1-1/4 - 11-1/2 1-1/2 - 11-1/2 In .25 .25 .25 .25 .25 .25 .38 .38 mm 7.11 9.65 11.18 14.22 15.75 20.57 25.40 31.75 Packaging Carton Mini Pak Quantity Quantity 5000 1000 5000 1000 3000 600 1500 300 2000 400 1500 300 500 100 500 100 Square-Head with Flange Plugs TPN-F Series C mm 6.35 6.35 6.35 6.35 6.35 6.35 9.65 9.65 In .29 .35 .42 .47 .52 .59 .83 .83 F mm 7.37 8.89 10.67 11.94 13.21 14.99 21.08 21.08 † Hexagonal head In .28 .38 .44 .56 .62 .81 1.00 1.25 Dimensions Caplugs No. To Plug NPT Thread Size TPN-1F † 1/8 - 27 TPN-3F 1/4 - 18 TPN-5F 3/8 - 18 TPN-7F 1/2 - 14 TPN-9F 3/4 - 14 B In .19 .25 .25 .25 .25 C mm 4.83 6.35 6.35 6.35 6.35 In .29 .35 .41 .47 .52 D mm 7.37 8.99 10.41 11.94 13.21 In .56 .69 .81 1.00 1.25 F mm 14.22 17.53 20.57 25.40 31.75 In .43 .44 .44 .56 .63 mm 10.92 11.18 11.18 14.22 16.00 Threaded Plugs with Square Drive TPSD-17 TPSD-21 To Fit Thread Size 1-1/16 - 12 1-5/16 - 12 A In 1.44 1.56 B mm 36.58 39.63 In .63 .88 C mm 16.01 22.36 For prices, free samples and online ordering, visit our web site at www.caplugs.com. In .72 .97 Packaging Carton Mini Pak Quantity Quantity 7500 1500 5000 1000 2500 500 1500 300 2000 400 TPSD Series Dimensions Caplugs No. TPN Series mm 18.29 24.64 1.888.CAPLUGS (227.5847) Packaging Carton Mini Pak Quantity Quantity 1800 360 1200 240 137http://www.caplugs.com