All ferrous steel components of Rams Inc. rod alignment couplers are fabricated utilizing high tensile strength, hardened alloy steel. Our couplers are pre-lubricated at the factory and are available for immediate delivery from stock.
Please use the diagram and the chart below to find the coupler that best fits your needs.
| Part Number | Max Yield | KK | H | HA | HB | HC | HD | HE | HF |
| RM10-32 | 1000 | 10-32 | 7/8" | 1-3/8" | 1/4" | 5/8" | 5/16" | 13/16" | 1/4" |
| RM250-28 | 1,700 | 1/4-28 | 7/8" | 1-3/8" | 1/4" | 5/8" | 5/16" | 13/16" | 1/4" |
| RM312-24 | 8,300 | 5/16-24 | 7/8" | 1-3/8" | 1/4" | 5/8" | 5/16" | 13/16" | 1/4" |
| RM375-24 | 8,300 | 3/8-24 | 7/8" | 1-3/8" | 5/16" | 5/8" | 5/16" | 13/16" | 1/4" |
| RM437-20 | 10,000 | 7/16-20 | 1-1/4" | 2" | 1/2" | 3/4" | 5/8" | 1-9/64" | 1/2" |
| RM500-20 | 14,000 | 1/2-20 | 1-1/4" | 2" | 1/2" | 3/4" | 5/8" | 1-9/64" | 1/2" |
| RM625-18 | 19,000 | 5/8-18 | 1-1/4" | 2" | 1/2" | 3/4" | 5/8" | 1-9/64" | 1/2" |
| RM750-16 | 34,000 | 3/4-16 | 1-3/4" | 2-3/8" | 7/8" | 1-1/8" | 31/32" | 1-1/2" | 7/16" |
| RM875-14 | 39,000 | 7/8-14 | 1-3/4" | 2-3/8" | 7/8" | 1-1/8" | 31/32" | 1-1/2" | 7/16" |
| RM1000-14 | 64,000 | 1-14 | 2-1/2" | 2-15/16" | 1-1/4" | 1-1/2" | 1-3/8" | 2-1/4" | 1/2" |
| RM1250-12 | 78,000 | 1.250-12 | 2-1/2" | 2-15/16" | 1-1/4" | 1-1/2" | 1-3/8" | 2-1/4" | 1/2" |