Graco 121518 Screw Cap SHC
$3.05
Available to Order
The Graco 121518 Screw Cap SHC is a high-quality, corrosion-resistant screw for professional spray equipment. Key features include:
- Material: 316 stainless steel with passivated surface
- Design: Socket head cap screw for secure fit
- Pressure Rating: Up to 5,000 PSI
- Temperature Range: –20°C to +150°C
- Compatible with: Graco Ultra Max II, ProX, Mark V/VII, ST Max
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 121518 Screw Cap SHC Overview
Compatible Machines
- Graco Ultra Max II 490
- Graco Ultra Max II 695
- Graco ProX17
- Graco ProX19
- Graco Mark V
- Graco Mark VII
- Graco ST Max
Product Highlights
- Design: Socket head cap screw for secure fit
- Material: Premium 316 stainless steel resists corrosion and wear
- Pressure Compatibility: High-pressure fluid systems up to 5,000 PSI
- Temperature Range: –20°C to +150°C
- Precision: CNC-machined tolerances within ±0.01 mm
- Supports fast installation and minimal maintenance interruptions
Technical Specifications
| Feature | Specification |
|---|---|
| Dimensions | 0.85 × 0.3 × 0.3 inches |
| Mass | 0.01 lbs |
| Thread Tolerance | Class 6g per ISO 965-1 |
| Drive Depth | 0.125" Hex socket |
| Head Diameter & Height | 0.25" × 0.06" |
| Surface Finish | Passivated Ra ≤ 0.8 μm |
| Tensile Strength | 110 ksi |
| Yield Strength | 80 ksi |
| Fatigue Life | Exceeds 1,000,000 cycles at 80% yield stress |
Frequently Asked Questions
It is made of premium-grade 316 stainless steel, passivated for corrosion resistance.
Compatible with high-pressure airless sprayer systems, filtration manifolds, and solvent or waterborne fluid circuits.
Install using a calibrated torque wrench: initial hand-tighten, then a two-step torque-angle method, with optional thread lubrication to prevent galling.
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