Available in 14 different dimensions, vinyl square caps can be applied quickly and easily. The vinyl material fits tightly and resists cracking or splitting.
Step 1 — Choose a Length (A & B)
Most Square Caps are available in any length up to 4 inches, depending on the inside diameter, with .062″ (1.57 mm) increments. The maximum length for each diameter is shown in the chart below.
Wall Thickness “C” is measured .250″ (6.35 mm) from the open end, increasing slightly toward the closed end. Wall tolerance is ±.010″ (0.25 mm).” is measured .250″ (6.35 mm) from the open end, increasing slightly toward the closed end. Wall tolerance is ±.010″ (0.25 mm).

Square Caps
Inside Dimension “A” | Maximum Inside Length “B” | ||
---|---|---|---|
Inches | mm | Inches | mm |
— | — | +/- .062 | +/- 1.57 |
0.250 | 6.35 | 4.000 | 101.60 |
0.410 | 10.41 | 1.500 | 38.10 |
0.500 | 12.70 | 4.000 | 101.60 |
0.532 | 13.51 | 1.500 | 38.10 |
0.625 | 15.88 | 4.000 | 101.60 |
0.750 | 19.05 | 5.250 | 133.35 |
0.793 | 20.14 | 1.500 | 38.10 |
1.000 | 25.40 | 4.000 | 101.60 |
1.081 | 27.46 | 1.500 | 38.10 |
1.250 | 31.75 | 4.000 | 101.60 |
1.344 | 34.14 | 1.500 | 38.10 |
1.500 | 38.10 | 4.000 | 101.60 |
1.750 | 44.45 | 4.000 | 101.60 |
1.875 | 47.63 | 4.000 | 101.60 |
1.937 | 49.20 | 4.000 | 101.60 |
2.000 | 50.80 | 4.000 | 101.60 |
2.500 | 63.50 | 1.625 | 41.275 |
3.500 | 88.90 | 4.000 | 101.60 |
4.000 | 101.60 | 4.000 | 101.60 |
Step 2 — Choose a Color
Caps are manufactured in 8 standard colors for multiple materials. Certain popular sizes are also stocked in black and red for quick shipment. Custom colors are also available.
Standard
Custom
Step 3 — Choose a Material
Stocked Square Caps are made from a 75 durometer PVC with a smooth surface and glossy finish. However, these caps can be made in materials with a variety of characteristics and features as shown below.
Material Characteristics
1. Hardness
2. Gloss
3. Texture
4. Special Features
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High Temperature Resistant
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Highly Weather Resistant
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Fire Resistant (UL Qualifiable)
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Anti-Static
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Dilatable

Step 4 — Add Further Customization
At StockCap, our service extends beyond molding protective caps, plugs and covers to include a variety of finishing and packaging options. We have an entire facility set up to print, punch, package and more so that your team can focus on what you do best.