{"product_id":"bessey-1800-s12-sliding-arm-bar-clamp-12-in-f-style","title":"Bessey 1800-S12 Sliding Arm Bar Clamp 12 in F-style","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BESSEY 1800-S12 is a heavy-duty F-style sliding arm bar clamp built for professional fabrication, woodworking, and general trade assembly work. It delivers 1,980 pounds of clamping pressure through a 0.7-inch high carbon steel spindle, with a 12-inch maximum clamping capacity and a 4-3\/4 inch throat depth that allows access on wider workpieces. The electrogalvanized steel frame and rail resist corrosion in shop environments. The composite T-handle provides consistent grip during one-handed positioning, and the included Ergonomic Bessey Grip and MorPad give operators a secure, controlled feel during tightening. The patented rail profile is a defining feature of the 1800-S series design.\u003c\/p\u003e\u003cp\u003eThe 1800-S12 is suited for residential and commercial shop applications where repeatable, high-pressure clamping is required. Typical use cases include cabinetry assembly, structural woodworking, metal fabrication staging, and general fixture work. The sliding arm design allows fast one-handed adjustment along the 12-inch rail before final tightening, making it practical for production workflows where setup speed matters. The medium-duty steel pads are appropriate for clamping solid materials where surface marking is not a primary concern.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1,980 pounds of clamping pressure for high-load holding applications\u003c\/li\u003e\n\u003cli\u003eF-style sliding arm design enables fast one-handed rail positioning\u003c\/li\u003e\n\u003cli\u003e12-inch rail length with 4-3\/4 inch throat depth for wide workpiece access\u003c\/li\u003e\n\u003cli\u003e0.7-inch diameter high carbon steel spindle for durability under load\u003c\/li\u003e\n\u003cli\u003eElectrogalvanized steel frame and rail for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes Ergonomic Bessey Grip, MorPad, and patented rail profile\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-use clamp in the BESSEY 1800-S series. Compatible with standard F-clamp workflows requiring a 12-inch capacity rail in fabrication, woodworking, and general assembly applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eNo permanent installation is required for this clamp. Position the sliding arm along the rail before applying load, then tighten the T-handle spindle by hand to the desired clamping pressure. Avoid over-tightening beyond workpiece requirements, as steel pads can mark softer materials. Inspect the spindle threads and rail engagement points periodically for wear or debris buildup.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp Type\u003c\/strong\u003e: F-Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Capacity\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThroat Depth\u003c\/strong\u003e: 4-3\/4 inches (4.75 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Pressure\u003c\/strong\u003e: 1,980 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail Size\u003c\/strong\u003e: 1-3\/32 x 7\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail Length\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 0.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Material\u003c\/strong\u003e: High Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Type\u003c\/strong\u003e: Medium Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Style\u003c\/strong\u003e: T-Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Material\u003c\/strong\u003e: Composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Electrogalvanized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.84 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 1800-S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BESSEY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1800-S12\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BESSEY","offers":[{"title":"Default Title","offer_id":51541847867698,"sku":"1800-S12","price":132.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5ef82d0af11428accea7a07cfbd7a086_5c6ca973-3a1a-496f-9681-2c1b897c9a74.jpg?v=1785886714","url":"https:\/\/voomisupply.com\/products\/bessey-1800-s12-sliding-arm-bar-clamp-12-in-f-style","provider":"Voomi Supply","version":"1.0","type":"link"}