The HOKE GYROLOK bulkhead female connector joins a tube to a male NPT thread through a panel. BCF is for fractional tubes and BCF/ME is for metric tubes.


| Type | Bulkhead female connector: BCF (fractional tube) / BCF/ME (metric tube) |
| Thread Connection | Connects to male NPT threads |
| Part Numbers | BCF: 2BCF2[ ] to 10BCF8[ ] / BCF/ME: 3BCF2[ ]ME to 25BCF8[ ]ME |
| Material (GYROLOK series) | Material code in the [ ] of the part number: brass BR, 304/304L stainless steel, 316/316L stainless steel, Monel M, Hastelloy C-276 HC, Duplex 2205 DX3, Inconel Alloy 625, Inconel Alloy 825, Super Duplex 2507 D50, titanium TI, 254 SMO 6MO (available materials may vary by fitting type and size) |
| BCF Dimension A by Size (inches) | tube 1/8" x thread 1/8": A 1.81 / tube 1/4" x thread 1/8": A 1.89 / tube 1/4" x thread 1/4": A 2.08 / tube 3/8" x thread 1/8": A 2.22 / tube 3/8" x thread 1/4": A 2.22 / tube 3/8" x thread 3/8": A 2.28 / tube 1/2" x thread 1/4": A 2.44 / tube 1/2" x thread 3/8": A 2.50 / tube 1/2" x thread 1/2": A 2.69 / tube 5/8" x thread 1/2": A 2.69 |
| BCF/ME Dimension A by Size (mm) | tube 3 mm x thread 1/8": A 46.0 / tube 6 mm x thread 1/8": A 48.0 / tube 6 mm x thread 1/4": A 53.8 / tube 8 mm x thread 1/4": A 55.0 / tube 10 mm x thread 1/4": A 55.6 / tube 12 mm x thread 3/8": A 63.0 / tube 12 mm x thread 1/2": A 68.3 / tube 14 mm x thread 1/2": A 68.0 / tube 16 mm x thread 1/2": A 68.3 / tube 18 mm x thread 1/2": A 72.0 / tube 22 mm x thread 1/2": A 77.0 / tube 25 mm x thread 1/2": A 84.0 |