Hex Reducing Coupling
HRCG
Reducer Hex Coupling Nut, Hex Reducing Coupling Nut
Hex Reducing Couplings are designed to connect two ends of different male thread size in pipes, tubes, fixtures and sheet metal, the furniture industry, and equipment assembly. Hex Reducing Couplings are made from stainless steel bar stock and presents straight shape.
Full series includes straights, elbows, tees, barbed hose connectors, bulkhead, reducer pipe fittings. Other fitting threads can be customized.
Dimension

Specification
HRCG Pipe Fittings Hex Reducing CouplingPart No | Thread Size | Dimensions | ![]() | ||
---|---|---|---|---|---|
P-PT | P1-PT | Ø E | L | ||
HRCG06T03T | 1/4" | 1/8" | 8 | 27 | 19 |
HRCG10T03T | 3/8" | 1/8" | 8 | 28 | 21 |
HRCG10T06T | 3/8" | 1/4" | 11 | 34 | 22 |
HRCG15T03T | 1/2" | 1/8" | 8 | 35 | 27 |
HRCG15T06T | 1/2" | 1/4" | 11 | 37 | 27 |
HRCG15T10T | 1/2" | 3/8" | 14 | 38 | 27 |
HRCG20T15T | 3/4" | 1/2" | 17 | 43 | 32 |
HRCG25T15T | 1" | 1/2" | 17 | 51 | 41 |
HRCG25T20T | 1" | 3/4" | 22 | 53 | 41 |
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Hex Reducing Coupling (HRCG ) – CHIBIN Machine
Since 1980 in Taiwan, CHIBIN Machine makes Hex Reducing Coupling —compression, push-in pneumatic, hydraulic, quick couplings, and precision nozzle and needle valves for medical and semiconductor use.
Our fittings are ISO-certified and TTQS-awarded, with MIL-STD-105E quality checks. We stock 10,000+ standard parts and offer OEM/ODM custom runs up to 3,000 pcs.
With advanced CNC manufacturing and 40+ years of experience, CHIBIN Machine meets tight specs for surface finish, thread standards, and leak-tight testing. Get a fast quote today.