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Push-On Retaining Caps
1050 Spring Steel
400 Series Stainless Steel
Plastic
Use these caps to hold components in place and protect shaft ends. Install these caps with a hammer or push them into place by hand.
Corrosion-resistant-coated finish is more corrosion resistant in wet environments than zinc plated finish. Also known as black luster.
Nickel-plated finish has excellent corrosion resistance and a decorative appearance.
Zinc-plated finish is corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
| For OD | OD | Ht. | Insert Material | Min. Hardness | Temperature Range, °F | Magnetic Properties | Pkg. Qty. | Pkg. | |
Black Corrosion-Resistant-Coated 1050 Spring Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 9/16" | 7/32" | Steel | Not Rated | __ | Magnetic | 5 | 000000000 | 00000 |
| 5/16" | 5/8" | 1/4" | Steel | Not Rated | __ | Magnetic | 5 | 000000000 | 0000 |
| 3/8" | 3/4" | 9/32" | Steel | Not Rated | __ | Magnetic | 5 | 000000000 | 00000 |
| 1/2" | 15/16" | 21/64" | Steel | Not Rated | __ | Magnetic | 5 | 000000000 | 00000 |
Nickel-Plated 1050 Spring Steel | |||||||||
| 1/4" | 1/2" | 7/32" | Steel | Rockwell C13 | __ | Magnetic | 25 | 000000000 | 0000 |
| 3/8" | 3/4" | 9/32" | Steel | Rockwell C13 | __ | Magnetic | 25 | 000000000 | 0000 |
Zinc-Plated 1050 Spring Steel | |||||||||
| 5/16" | 9/16" | 19/64" | Steel | Rockwell C44 | __ | Magnetic | 25 | 000000000 | 0000 |
| 1/2" | 15/16" | 21/64" | Steel | Rockwell C38 | __ | Magnetic | 10 | 000000000 | 0000 |
| 5/8" | 1 3/16" | 27/64" | Steel | Rockwell C38 | __ | Magnetic | 10 | 000000000 | 0000 |
400 Series Stainless Steel  | |||||||||
| 1/8" | 27/64" | 1/8" | 18-8 Stainless Steel | Rockwell C49 | __ | May Be Mildly Magnetic | 10 | 000000000 | 0000 |
| 3/16" | 1/2" | 5/32" | 18-8 Stainless Steel | Rockwell C49 | __ | May Be Mildly Magnetic | 25 | 000000000 | 0000 |
| 1/4" | 41/64" | 13/64" | 18-8 Stainless Steel | Rockwell C49 | __ | May Be Mildly Magnetic | 10 | 000000000 | 0000 |
| 3/8" | 25/32" | 15/64" | 18-8 Stainless Steel | Rockwell C49 | __ | May Be Mildly Magnetic | 10 | 000000000 | 00000 |
Black Plastic | |||||||||
| 5/32" | 21/32" | 23/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 50 | 000000000 | 00000 |
| 3/16" | 21/32" | 23/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 50 | 000000000 | 00000 |
| 1/4" | 27/32" | 23/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 50 | 000000000 | 00000 |
| 5/16" | 27/32" | 29/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 25 | 000000000 | 00000 |
| 3/8" | 55/64" | 15/32" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 25 | 000000000 | 0000 |
| 7/16" | 53/64" | 7/16" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 10 | 000000000 | 0000 |
| 1/2" | 1 5/16" | 41/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 10 | 000000000 | 0000 |
| 5/8" | 1 5/16" | 41/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 10 | 000000000 | 0000 |
White Plastic | |||||||||
| 1/8" | 21/32" | 23/64" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 10 | 000000000 | 00000 |
| 3/16" | 21/32" | 11/32" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 25 | 000000000 | 0000 |
| 3/8" | 55/64" | 15/32" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 25 | 000000000 | 0000 |
Red Plastic | |||||||||
| 5/16" | 55/64" | 15/32" | Steel | Rockwell C45 | -90° to 150° | Magnetic | 25 | 000000000 | 0000 |
Stretchable Elastic Caps
Similar to a shower cap, these caps have an elastic band that allows them to stretch and cover a variety of shapes in a range of sizes. They are often used in masking applications to protect against contaminants.