6" Vacuum Cup with 1/4-20 Threaded Stud (Pack of 4)

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Wood's Powr-Grip 6" Vacuum Cup with 1/4-20 Threaded Stud Reliable Equipment Mounting on Smooth, Nonporous Surfaces The Wood's Powr-Grip TL6AMB1420T34L is a 6-inch diameter vacuum c up designed for mounting equipment securely to smooth, nonporous surfaces in professional construction and trades environments. Built around the trusted TL6 pad platform, this cup features a 3/4" long x 1/4-20 threaded stud connection point that interfaces directly with compatible fixtures, handles, and accessories. It is rated for use across both flat and curved surfaces, making it a versatile anchoring solution for a wide range of jobsite applications. The cup is engineered to perform reliably within a material and ambient temperature range of 0°F to 120°F (-18°C to 49°C). Unlike generic suction devices, Wood's Powr-Grip vacuum cups are manufactured to industrial-grade standards with a standard rubber compound specifically chosen for durability and consistent sealing performance. The threaded stud mount allows contractors to integrate the cup directly into custom rigs, tool positioning systems, or accessory mount assemblies without additional adapters. This purpose-built design reduces setup time and increases confidence in equipment stability on-site. Key Features & Benefits 1/4-20 Threaded Stud Connection The 3/4" long x 1/4-20 threaded stud provides a standardized, secure mechanical connection point for attaching the cup to equipment mounts, T-handles, tie-downs, flip handles, and other accessories. This common thread specification means contractors can integrate the cup into existing tool systems without sourcing specialty hardware. The direct thread engagement eliminates play and wobble that can compromise precision positioning tasks. 6" TL6 Vacuum Pad The 6-inch TL6 pad delivers a substantial sealing footprint, increasing holding capacity on large, smooth panels and equipment surfaces. The pad is available in both flat and concave face profiles, allowing selection based on the curvature of the target surface. Standard rubber construction provides the grip and flexibility needed for consistent vacuum retention across repeated use cycles. Flat and Curved Surface Compatibility This vacuum cup is rated for use on both flat and curved surfaces, giving contractors flexibility when working with panels, machinery housings, or architectural glass with moderate curvature. The pad's conforming rubber edge maintains a reliable seal even when surface geometry is not perfectly planar. This versatility reduces the need to carry multiple cup configurations for different surface types. Integrated Vacuum Indicator The red line on the plunger serves as a visual vacuum status indicator, allowing the operator to confirm adequate vacuum without gauges or external tools. If the red line appears during use, it signals leakage that requires attention before continuing the lift or hold. This built-in safety feature helps prevent unplanned release of equipment during sensitive mounting operations. Serviceable, Field-Repairable Design Wood's Powr-Grip vacuum cups are designed with replaceable components including the felt filter, vacuum pad, pump assembly, and check valve, so the cup can be returned to full performance without full replacement. Maintenance procedures are straightforward and documented in the included troubleshooting guide, enabling field repairs by the operator. This repairability lowers the total cost of ownership compared to disposable or sealed-body alternatives. Wide Operating Temperature Range Rated for use from 0°F to 120°F (-18°C to 49°C), this vacuum cup maintains consistent performance across cold-weather jobsites and warm interior environments alike. Contractors working in refrigerated spaces, winter construction conditions, or hot summer exteriors can rely on the cup to function within spec. This range covers the vast majority of real-world construction and equipment mounting scenarios. Common Applications Mounting Equipment on Smooth Panels Attach cameras, sensors, monitoring equipment, or positioning fixtures to smooth machinery surfaces or panels where drilling or adhesives are not permitted. The threaded stud allows direct integration with standard mounting hardware. Tool and Fixture Positioning Use the cup to temporarily anchor jigs, guides, or fixtures to glass, metal, or polished stone surfaces during precision work. The secure vacuum hold keeps tooling stable without marring the workpiece surface. Glass and Glazing Work Assist with the placement and positioning of glass panels on smooth framing or support surfaces during glazing operations. The 6-inch pad provides sufficient contact area for controlled handling of medium-weight glass lites. Equipment Staging on Smooth Floors or Countertops Temporarily anchor lightweight equipment or work aids to polished concrete, tile, or stone surfaces to prevent movement during operation. Ideal for situations where clamping is impractical due to surface finish or geometry constraints. Signage and Display Installation Mount temporary signage, brackets, or display fixtures to smooth interior walls, glass partitions, or polished surfaces without fasteners. The threaded stud connection accommodates a wide range of mounting plate configurations. Custom Rigging and Material Handling Accessories Integrate into custom-built rigging frames or material handling assemblies using the 1/4-20 threaded stud as the primary attachment point. Compatible with Wood's Powr-Grip accessory mounts, T-handles, tie-downs, and flip handles for expanded system flexibility. Compatible Materials Flat glass and lightly curved glass Polished or painted metal panels Smooth stone and polished concrete Glazed ceramic tile Painted drywall (smooth finish) Polished granite and marble Lacquered or coated wood panels Smooth plastic and acrylic sheet Product Documents Instructions Download Troubleshooting & Maintenance Guide Download Application Instructions Stage 1: Pre-Use Inspection Confirm the felt filter is in place in the pad face recess. Do not use the cup without the filter installed. Examine the plunger assembly and cylinder for cracks or visible damage. Verify the pad face feels grippy, not slick. If slick, clean the pad before use. Inspect the sealing edge by slowly drawing your finger along its full length, checking for roughness or foreign material. Bend the sealing edge toward you to form a hump and inspect for V-shaped gaps indicating cuts or cracks. Replace the pad if gaps are present. Stage 2: Surface Preparation Wipe the target surface clean of dust, oil, and contaminants. Allow the surface to dry completely before attaching the cup. Confirm the surface is smooth and nonporous and falls within the cup's allowable curvature rating (flat or lightly curved). Stage 3: Attachment Position the cup against the prepared surface, centering the pad over the target area. Press the pad firmly against the surface and operate the plunger to evacuate air and create a vacuum seal. Continue pumping until the red line on the plunger is no longer visible, confirming adequate vacuum. Monitor the red line indicator periodically during use. If it reappears, re-pump or investigate for leakage before continuing. Stage 4: Cleaning and Post-Use Maintenance Remove the felt filter from the pad face. Apply soapy water or a mild cleanser to the pad face using a clean sponge or lint-free cloth. Do not use solvents or rubber conditioners. Hold the cup facedown or cover the suction inlet during cleaning to prevent liquid from entering the pump. Wipe all residue from the pad face and allow the cup to dry fully. Reinstall the felt filter before storing. Stage 5: Leak Testing Attach the cup to a clean, smooth, scratch-free piece of glass or metal. Leave attached for approximately 2 hours and monitor the red line indicator. If the red line does not appear during the test period, the cup is functioning acceptably. If the red line appears, perform general maintenance and repeat the test. If the problem persists after maintenance, consult the troubleshooting guide or contact Wood's Powr-Grip customer service or an authorized dealer. Technical Specifications Specification Details Model TL6AMB1420T34L Pad Model TL6 Pad Diameter 6" (15 cm) Connection Point 3/4" long x 1/4-20 Threaded Stud Rubber Type Standard Allowable Surface Curvature Flat / Curved Ideal Uses Mounting equipment on smooth, nonporous surfaces Material and Ambient Temperature Range 0°F — 120°F (-18°C — 49°C) Frequently Asked Questions Q: What surfaces is the TL6AMB1420T34L compatible with?A: This vacuum cup is designed for smooth, nonporous surfaces including flat or lightly curved glass, polished metal, glazed tile, smooth stone, lacquered wood panels, and similar materials. It is not suitable for porous, rough, or heavily textured surfaces where a consistent seal cannot be maintained. Q: What accessories are compatible with the 1/4-20 threaded stud?A: The 1/4-20 stud is compatible with Wood's Powr-Grip accessories including the T-Handle (stock #15790), Accessory Mount Aluminum with 1/4-20 Stud (stock #50210), Tie-Down (stock #50100), Flip Handle (stock #50102), and Rigid Handle (stock #50230), as well as any third-party hardware using the standard 1/4-20 thread specification. Q: How do I know if the vacuum cup is holding adequate suction?A: The red line on the plunger serves as a visual vacuum indicator. When the red line is not visible, the cup has adequate vacuum. If the red line appears during use, the cup is losing vacuum and should be re-pumped or inspected for leakage before continuing. Q: How often should the vacuum pad be replaced?A: Wood's Powr-Grip recommends replacing the vacuum pad at least once every two years, or sooner if the pad face becomes slick, worn, or shows cuts or V-shaped gaps along the sealing edge. A pad that cannot be restored to a grippy surface condition through cleaning should be replaced immediately. Q: Can I use solvents or rubber conditioners to clean the vacuum pad?A: No. Wood's Powr-Grip explicitly warns against the use of solvents or rubber conditioners as cleaning agents, as these can degrade the rubber and compromise sealing performance. Clean the pad face with soapy water or a mild cleanser using a clean sponge or lint-free cloth only. Q: What should I do if the cup requires more than 10 strokes to apply?A: Excessive strokes typically indicate a maintenance issue such as a contaminated pad face, worn sealing edge, dirt on the check valve, or pump lubrication loss. Perform general maintenance per the troubleshooting guide, and if needed, remove, clean, and reinstall the plunger assembly, retainer, and check valve as directed in the disassembly and assembly instructions. Show more