Products search Shop By Category Questions? Email us!sales@mackvacuum.com AdaptersCF Flanges and FittingsHigh Vacuum Bellows SS HosesValvesWeld TubesISO Flanges and FittingsKF (QF) Flanges and FittingsAlcatel Vacuum Pump PartsLeybold Vacuum Pump PartsPfeiffer Vacuum Pump PartsWelch Vacuum Pump PartsGreases – SuppliesVacuum Rated HosesUniversities OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsFLANGE, SOCKET WELD, KF (QF) 40, 304 SS, L 12.7 mm$10.04Product Code: MKKF40SWX05 Category: KF (QF) Flanges and FittingsKF Socket Weld FlangeAvailability: In stock FLANGE, SOCKET WELD, KF (QF) 40, 304 SS, L 12.7 mm quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.FLANGE, SOCKET WELD, KF (QF) 40, 304 SS, L 12.7 mmA(inch)B(inch)C(inch)D(inch)E(inch)2.171.621.521.750.50Related products Sale! ADAPTER, 3/4″ MALE NPT, KF (QF) 25, 304 SS $67.50 $56.00 FLANGE, SOCKET WELD, KF (QF) 50, 304 SS, L 12.7 mm $15.04 ADAPTER, 1/2″ MALE NPT, KF (QF) 40, 304 SS $66.99 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 25, 304 SS $46.81 $35.75