Industrial Plastic Screw Caps | 63mm & 70mm Closures
- Materials: Molded industrial plastic caps with gasketed and non-gasketed options.
- Sizes: 63mm and 70mm screw cap formats with 3/4" reducer and knockout configurations.
- Compliance/Ratings: Tamper-evident and vented closure styles available; container compatibility must be verified by application.
- Closure Types: Plain screw caps, vented screw caps, tamper-evident caps, reducer caps, and Rieke® Flexspout® caps.
- Pack Formats: 3-pack, 10-pack, and 25-pack case quantities.
$9.98$10.98(You Save 9%)
| Buy More, Save More! | ||
|---|---|---|
| Quantity | Price Each | You Save |
| 1 - 9 pieces | $9.98 ea. | $1.00 (9%) |
| 10 - 19 pieces | $9.48 ea. | $1.50 (14%) |
| 20 - 49 pieces | $8.98 ea. | $2.00 (18%) |
| 50+ pieces | $8.48 ea. | $2.50 (23%) |
$69.98
$109.95
(You Save 36%)$23.98
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Product Comparison Chart
Closure Format and Access Control Industrial plastic screw caps are configured to match container neck finishes while providing different access, sealing, and dispensing functions. Plain 63mm caps are used where a basic threaded closure is required without additional venting or dispensing features. Standard 70mm caps with a 3/4" reducer allow the main cap to close a larger container opening while providing a smaller secondary outlet for controlled dispensing or accessory connection. Tamper-evident 70mm caps include a breakaway or visible-indication feature that shows whether the closure has been opened after installation. Gasketed tamper-evident caps add an internal sealing interface to reduce seepage when matched to the correct container neck.
Plastic Cap Construction and Sealing Interfaces These closures are made from molded industrial plastic, commonly selected for impact resistance, moisture resistance, and compatibility with many non-aggressive liquids and dry materials. The cap body must maintain dimensional stability around the threaded skirt to preserve closure torque and thread engagement. Gasketed versions use a compressible sealing element between the cap and container lip to limit leakage under static storage conditions. Reducer and Flexspout® styles add secondary molded components that control flow and reduce the need to remove the full closure during dispensing. Vented caps incorporate a vented 3/4" knockout design to support pressure equalization when used with compatible contents and containers.
Compatibility, Tamper Evidence, and Transport Review Plastic screw caps are closure components, so regulatory suitability depends on the complete container system rather than the cap alone. When used for shipping regulated materials, the cap, container body, gasket, torque specification, and closure method must align with the tested packaging system. Tamper-evident caps provide visual access indication but do not automatically establish hazardous-material, food-contact, or child-resistant compliance. Vented closures require additional review because venting can affect leakproofness, vapor release, pressure control, and transport classification. Buyers handling chemicals, agricultural fluids, lubricants, cleaning agents, or food-related materials should verify compatibility with applicable DOT, OSHA, EPA, FDA, or carrier requirements.
Use Cases Across Container Systems 70mm plastic screw caps are commonly used on industrial jugs, drums, pails, and containers that require a wide threaded closure. The 3/4" reducer configuration is used where a smaller outlet supports controlled pouring, faucet attachment, or transfer equipment. Vented caps are used where pressure changes may occur due to temperature variation, chemical off-gassing, or liquid movement, provided the contents are suitable for vented storage. Tamper-evident caps are used in chemical distribution, janitorial supply, agricultural product handling, and production environments where visible access control is required. Rieke® Flexspout® caps support pour control for liquid products that require directional dispensing.
Technical Factors for Cap Selection Cap selection should begin with thread diameter and neck finish. A 63mm cap will not interchange with a 70mm closure unless the container neck is specifically designed for that size. Buyers should confirm gasket presence, gasket material, closure torque, venting requirements, and whether the application requires tamper evidence. Contents should be reviewed for chemical compatibility with the cap body and gasket, especially when storing solvents, acids, caustics, oils, or agricultural formulations. Storage environment also affects selection; temperature cycling, UV exposure, vibration, stacking, and repeated opening can change closure performance over time.
| Product | Nominal Size | Configuration | Feature | Pack Quantity |
|---|---|---|---|---|
| 70mm Plastic Screw Cap with 3/4" Reducer | 70mm | Reducer cap | 3/4" secondary opening | 3 pack |
| 70mm Vented Plastic Screw Caps with Vented 3/4" Knockout | 70mm | Vented knockout cap | Pressure equalization function | 10 pack |
| 70mm Tamper-Evident Industrial Plastic Screw Caps | 70mm | Tamper-evident cap | Visible opening indication | 10 pack |
| Tamper Evident Plastic Screw Cap with Gasket | 70mm | Tamper-evident gasketed cap | Internal gasket seal | 25 pack |
| 70mm Plastic Screw Caps with Rieke® Flexspout® | 70mm | Flexspout® dispensing cap | Directional pouring spout | 3 pack |
| 63mm Plain Industrial Plastic Screw Caps | 63mm | Plain screw cap | Standard threaded closure | 10 pack |
Closure Format and Access Control Industrial plastic screw caps are configured to match container neck finishes while providing different access, sealing, and dispensing functions. Plain 63mm caps are used where a basic threaded closure is required without additional venting or dispensing features. Standard 70mm caps with a 3/4" reducer allow the main cap to close a larger container opening while providing a smaller secondary outlet for controlled dispensing or accessory connection. Tamper-evident 70mm caps include a breakaway or visible-indication feature that shows whether the closure has been opened after installation. Gasketed tamper-evident caps add an internal sealing interface to reduce seepage when matched to the correct container neck.
Plastic Cap Construction and Sealing Interfaces These closures are made from molded industrial plastic, commonly selected for impact resistance, moisture resistance, and compatibility with many non-aggressive liquids and dry materials. The cap body must maintain dimensional stability around the threaded skirt to preserve closure torque and thread engagement. Gasketed versions use a compressible sealing element between the cap and container lip to limit leakage under static storage conditions. Reducer and Flexspout® styles add secondary molded components that control flow and reduce the need to remove the full closure during dispensing. Vented caps incorporate a vented 3/4" knockout design to support pressure equalization when used with compatible contents and containers.
Compatibility, Tamper Evidence, and Transport Review Plastic screw caps are closure components, so regulatory suitability depends on the complete container system rather than the cap alone. When used for shipping regulated materials, the cap, container body, gasket, torque specification, and closure method must align with the tested packaging system. Tamper-evident caps provide visual access indication but do not automatically establish hazardous-material, food-contact, or child-resistant compliance. Vented closures require additional review because venting can affect leakproofness, vapor release, pressure control, and transport classification. Buyers handling chemicals, agricultural fluids, lubricants, cleaning agents, or food-related materials should verify compatibility with applicable DOT, OSHA, EPA, FDA, or carrier requirements.
Use Cases Across Container Systems 70mm plastic screw caps are commonly used on industrial jugs, drums, pails, and containers that require a wide threaded closure. The 3/4" reducer configuration is used where a smaller outlet supports controlled pouring, faucet attachment, or transfer equipment. Vented caps are used where pressure changes may occur due to temperature variation, chemical off-gassing, or liquid movement, provided the contents are suitable for vented storage. Tamper-evident caps are used in chemical distribution, janitorial supply, agricultural product handling, and production environments where visible access control is required. Rieke® Flexspout® caps support pour control for liquid products that require directional dispensing.
Technical Factors for Cap Selection Cap selection should begin with thread diameter and neck finish. A 63mm cap will not interchange with a 70mm closure unless the container neck is specifically designed for that size. Buyers should confirm gasket presence, gasket material, closure torque, venting requirements, and whether the application requires tamper evidence. Contents should be reviewed for chemical compatibility with the cap body and gasket, especially when storing solvents, acids, caustics, oils, or agricultural formulations. Storage environment also affects selection; temperature cycling, UV exposure, vibration, stacking, and repeated opening can change closure performance over time.
