{"product_id":"3-1-2-x-4-rubber-expanding-drum","title":"3-1\/2\" X 4\" RUBBER EXPANDING DRUM FOR SANDING BANDS","description":"\u003cul class=\"product_tab_items_list\"\u003e\n  \u003cli\u003e\u003ca href=\"#Application\"\u003eProduct Specification\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"#Shipping\"\u003eShipping\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"#Refund\"\u003eRefund\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv id=\"Application\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"tab_name_items\"\u003eProduct Specification\u003c\/h2\u003e\n\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e3-1\/2\" X 4\" RUBBER EXPANDING DRUM FOR SANDING BANDS\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Benchmark Abrasives 3-1\/2\" x 4\" Rubber Expanding Drum is designed as a \u003cstrong\u003ereusable sanding-band holder for portable drum sanding and surface-finishing applications\u003c\/strong\u003e. Rather than using permanently bonded abrasive media, this rubber drum works with a properly matched sanding band, allowing you to change abrasive grit as the job progresses without replacing the entire drum assembly.\u003c\/p\u003e\n\n\u003cp\u003eAs the drum rotates, the rubber body expands to help grip the installed sanding band securely during use. This makes it a practical choice for sanding, blending, and surface refinement where the operator wants the flexibility to select the abrasive band based on the material, starting surface, and desired finish. The abrasive performance and grit are determined by the sanding band installed on the holder.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eProduct Specifications\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"spec-table-wrap\"\u003e\n  \u003ctable class=\"spec-table\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eSpecification\u003c\/th\u003e\n        \u003cth\u003eDetails\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExpanding Sanding-Band Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eKeyway\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAbrasive\u003c\/td\u003e\n\u003ctd\u003eDetermined by Installed Sanding Band\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMaximum Speed\u003c\/td\u003e\n\u003ctd\u003e4,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eUse\u003c\/td\u003e\n\u003ctd\u003eDry Only\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1 Drum\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable rubber expanding drum\u003c\/strong\u003e holds compatible sanding bands for sanding and surface-finishing applications.\u003c\/li\u003e\n  \u003cli\u003eExpanding rubber construction helps \u003cstrong\u003egrip the sanding band during operation\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eAllows the operator to change abrasive grit by replacing the sanding band rather than the drum itself.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-1\/2\" diameter x 4\" wide format\u003c\/strong\u003e provides a broad working surface for larger areas.\u003c\/li\u003e\n  \u003cli\u003eAbrasive type, grit, and material suitability are determined by the \u003cstrong\u003einstalled sanding band\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eDesigned for compatible \u003cstrong\u003eportable surface-finishing and drum-sanding machines\u003c\/strong\u003e using the proper keyed arbor.\u003c\/li\u003e\n  \u003cli\u003eProvides a flexible platform for progressing from more aggressive sanding through finer surface refinement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eApplications \u0026amp; Performance\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe expanding drum itself does not provide the abrasive cutting action. Performance depends on the sanding band installed.\u003c\/p\u003e\n\n\u003cp\u003eCommon uses include:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSurface sanding\u003c\/li\u003e\n  \u003cli\u003eScratch removal\u003c\/li\u003e\n  \u003cli\u003eSurface leveling\u003c\/li\u003e\n  \u003cli\u003eBlending\u003c\/li\u003e\n  \u003cli\u003eDeburring\u003c\/li\u003e\n  \u003cli\u003eSurface preparation\u003c\/li\u003e\n  \u003cli\u003eFinish refinement\u003c\/li\u003e\n  \u003cli\u003ePreparing surfaces for subsequent finishing steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMaterial suitability also depends on the selected sanding band. Choose a band designed for the workpiece material and required finish.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eMachine Compatibility\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for portable surface finishing machines, linear grinders, burnishers, contouring grinders, and drum sanding machines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eCompatible examples include:\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEastwood® Contour SCT®\u003c\/strong\u003e (21145)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHERCULES® HE68\u003c\/strong\u003e Surface Conditioning Tool (70979)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetabo® SE 17-200 RT\u003c\/strong\u003e with the appropriate keyed drum arbor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAn adapter or additional mounting hardware may be required. Use a setup that securely holds this \u003cstrong\u003e3-1\/2\" x 4\" rubber expanding drum\u003c\/strong\u003e and its matching sanding band, allows proper guard clearance, and stays within the speed limits of the holder, band, and machine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eSafety Tips\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNever exceed the holder's maximum speed of \u003cstrong\u003e4,000 RPM\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eThe sanding band, holder, and machine must all be rated for the intended operating speed. Always follow the \u003cstrong\u003elowest applicable speed limit\u003c\/strong\u003e in the assembled system.\u003c\/li\u003e\n  \u003cli\u003eUse \u003cstrong\u003edry only\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eInstall only a sanding band specifically matched to the dimensions and requirements of this expanding holder.\u003c\/li\u003e\n  \u003cli\u003eConfirm that the band is fully seated and securely retained before operation.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the machine from its power source before installing, removing, or inspecting the holder or sanding band.\u003c\/li\u003e\n  \u003cli\u003eStop immediately if abnormal vibration, slipping, or movement of the sanding band occurs.\u003c\/li\u003e\n  \u003cli\u003eInspect the rubber holder and sanding band for damage before use.\u003c\/li\u003e\n  \u003cli\u003eKeep machine guards and auxiliary handles installed as specified by the tool manufacturer.\u003c\/li\u003e\n  \u003cli\u003eWear appropriate eye, hearing, respiratory, and hand protection for the material and sanding application.\u003c\/li\u003e\n  \u003cli\u003eSecure the workpiece and keep loose clothing, hair, and hands away from rotating components.\u003c\/li\u003e\n  \u003cli\u003eDo not use this holder on electric drills.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Benchmark Abrasives","offers":[{"title":"Default Title","offer_id":43427193618510,"sku":"BM-DS354DRUM_1","price":31.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1592\/5457\/files\/FLATANGLE.png?v=1793832835","url":"https:\/\/benchmarkabrasives.com\/products\/3-1-2-x-4-rubber-expanding-drum","provider":"Benchmark Abrasives","version":"1.0","type":"link"}