

The Graco 120204 SFH Screw 3/8-24 x 1.25 is a high-quality flat head fastener designed for industrial high-pressure systems. Key features include:
The Graco 120204 SFH Screw 3/8-24 x 1.25 is engineered for high-pressure airless sprayer systems, offering corrosion resistance and precise thread engagement for leak-free performance in pump and filtration assemblies.
| Material | Stainless steel (AISI 304/316) or alloy steel with zinc phosphate coating |
|---|---|
| Thread | 3/8-24 UNC |
| Length | 1.25" grip length |
| Head Type | SFH Flat Head, 120° countersink |
| Tensile Strength | >75 ksi |
| Yield Strength | >30 ksi |
| Pressure Rating | Up to 5,000 psi |
Use a calibrated torque wrench: 20–25 ft-lb for stainless steel and 15–20 ft-lb for zinc-plated alloy. Apply anti-seize or PTFE lubricant to prevent galling. Periodically inspect for thread wear or corrosion and retorque as needed.
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