Marshalltown 15538 1-3/8" Push Button to Female Thread Concrete Handle Adapter The Marshalltown 15538 1-3/8-inch push button to female thread handle adapter connects standard threaded extension poles to push-button bracket assemblies on commercial concrete finishing equipment. Precision-machined from lightweight cast aluminum alloy, this structural connector converts post-style brackets to accept standard ACME female threaded handles without introducing joint wobble or excessive tool weight. Engineered for immediate attachment to concrete bull floats, fresnos, walking edgers, and textured brooms, it equips professional concrete finishers and masonry crews with cross-system handle compatibility and uninterrupted slab-finishing reach. Best Used For: Bull Float and Fresno Handle Conversions: Adapting standard threaded extension handles to 1-3/8-inch snap-button rock-it brackets and tilt brackets during large concrete slab pours. Concrete Broom and Texture Finishing: Securing threaded broom handles into push-button bracket heads to apply consistent non-slip traction finishes across freshly floated surfaces. Walking Edger and Groover Reach Extension: Connecting multi-section extension poles to walking edgers for long-reach perimeter jointing without walking on wet concrete. Key Performance & Safety Features Universal System Conversion: Converts 1-3/8-inch push-button brackets to accept common standard ACME female threaded extension poles. Precision-Milled Snap Fit: Snaps cleanly into post-type bracket housings for a rigid, wobble-free joint that matches solid-handle stability. Heavy-Duty Cast Aluminum Alloy: Resists abrasive concrete slurry, environmental corrosion, and high bending torque while remaining lightweight. Reduced Operator Fatigue: 0.50-pound lightweight design prevents forward tool tipping and minimizes wrist strain during long extension passes. Cost-Effective Pole Versatility: Allows contractors to utilize existing threaded utility poles instead of purchasing proprietary snap-button handles. Broad Tool Compatibility: Integrates seamlessly with Marshalltown bull floats, fresno trowels, broom brackets, and walking jointing tools. What's Included (1) Marshalltown 15538 1-3/8" Push Button to Female Thread Aluminum Adapter Technical Specifications Manufacturer Brand Marshalltown Company Model Part Number 15538 (EDI: 15538) Connector Product Class Push Button to Female Thread Handle Adapter Push Button End Outer Diameter 1.375 Inches (1-3/8 in. / 34.93 mm) Opposing Thread Interface Standard Female ACME Threaded Socket Material Composition Cast Aluminum Alloy Structural Body Overall Adapter Length 9.000 Inches (228.60 mm) Overall Adapter Width 2.000 Inches (50.80 mm) Overall Adapter Height 2.000 Inches (50.80 mm) Total Net Shipping Weight 0.50 lbs (8.00 oz / 0.23 kg) Bracket Compatibility 1-3/8" Push Button Tilt Brackets & Rock-It Brackets Suitable for material type Fresh Structural Concrete, Sand Slurry, & Masonry Mortar Pro-Tip: Apply a light coat of silicone spray to the push-button mechanism and internal ACME threads after washing off wet concrete slurry; this prevents cementitious scale buildup and ensures effortless snap-engagement on future pours.
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