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 ComponentsKF (QF) to CF adapter, KF (QF) 50 to CF 2.75 inch Flange, 304 SS$78.16Product Code: MKCF275KF50ADP Category: Vacuum Adapters KF (QF), NPT, VCR, ISO, CFFlange to Flange Adapters KF, QF, CF, ISOAvailability: In stock KF (QF) to CF adapter, KF (QF) 50 to CF 2.75 inch Flange, 304 SS quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.KF (QF) to CF adapter, KF (QF) 50 to CF 2.75 inch Flange, 304 SSA(inch)B(inch)C(inch)KF502.751.95You may also like… CF Flange Silver-Plated Bolts, CF2.75, 1/4-28×1.25, 12-pt hd $34.80 CF Flange Silver-Plated Bolts, CF2.75, 1/4-28×2.13, 12-pt hd $46.40 CF Flange Silver-Plated Bolts, CF3.38, 5/16-24×1.75, 12-pt hd $51.48 CF Flange Silver-Plated Bolts, CF1.33, 8-32×0.75,12-Allen hd $31.90 Related products KF (QF) to CF adapter, KF (QF) 50 to CF 1-1/3 inch Flange, 304 SS $71.05 ISO to CF adapter, ISO 100 to CF 6.00 inch Flange, 304 SS $255.78 KF (QF) to CF adapter, KF (QF) 50 to CF 3.38 inch Flange, 304 SS $121.80 KF (QF) to CF adapter, KF (QF) 50 to CF 4.50 inch Flange, 304 SS $137.03