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UFO
DOUBLE CORNER
RADIUS
UFO
2. Cylindrical drilling with reamer to form taper thread CONCAVE RADIUS CHAMFER AIL DOVET CIRCLIP D1 D2 L Nom. size P D Gg/1" (tpi) 6,39 8,3 5,95 27 1/16" 8,3 8,74 8,3 27 1/8"
Recommended Thread Dia / T.p.i / Minimum Bore Dia

Hole forms 1 to 2, NPT threads are best recommended.

D L 8,3 6,15 NPT 8,5 8,3 12,15 11 14,4 12,45 16,3 17,8 16,3 23,15 19,55 29,05 20,05 37,8 43,85 20,05 55,85 20,45

1. Cylindrical drilling without reamer Nom. size P D Gg/1" (tpi) 27 27 18 18 14 14 11 1/2" 11 1/2" 11 1/2" 11 1/2" YIH TROUN ENTERPRISE CO.,LTD

NPT 1/16" NPT 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1 1/4" 1 1/2" 2" 110