Product Information Thread: BSPT Select a Product Part NumberSizeThread Size ALMM2X1.550mm1-1/2" ALMM2X250mm2" ALMM3.5X389mm3" ALMM3X2.576mm2-1/2" ALMM3X376mm3" ALMM4X4108mm4" ALMM5X5133mm5" ALMM6X6159mm6" ALMM8X8194mm8"