{"product_id":"d324-extruded-rubber-d-shaped-bumper-with-4-holes-3-x-2-7-8-x-24-inch-long","title":"D324 - Extruded Rubber D-Shaped Bumper with 4 Holes - 3 x 2-7\/8 x 24 Inch Long","description":"\u003cp\u003eBuyers Products Extruded Rubber D-Shaped Bumpers help protect the rear of a truck or trailer when backing to an elevated loading dock. Bumpers are an ideal addition to any piece of equipment that has a high frequency of contact, such as a loading dock or delivery bay. The durable, heavy duty bumpers are available in a variety of sizes, thicknesses, and drill-hole configurations to meet your specifications.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eA\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eB\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2-7\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eC\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e7\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eC-C of Holes\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e6-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eD\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1-1\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e24.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eNo. of Holes\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eProduct Overview: Extruded Rubber D-Shaped Bumper\u003c\/h2\u003e\u003cp\u003eThe Buyers Products Extruded Rubber D-Shaped Bumper, precisely dimensioned at 3 x 2-7\/8 x 24 inches and featuring a robust four-hole mounting configuration, serves as a critical component in safeguarding both mobile equipment and stationary infrastructure from impact damage. Engineered for high-frequency contact environments, this heavy-duty bumper is designed to absorb and dissipate kinetic energy, preventing structural damage, reducing maintenance costs, and extending the operational lifespan of valuable assets. Its technical specifications and material properties are calibrated for superior protection in demanding industrial, commercial, and logistics applications, particularly where vehicles frequently interact with loading docks, delivery bays, or other fixed structures. The deliberate D-shaped profile is an engineering choice optimizing force distribution and enhancing resilience against varied impact scenarios, making it an indispensable asset for operational continuity and safety.\u003c\/p\u003e\u003ch2\u003eMaterial Science: Extruded Rubber Technology and Properties\u003c\/h2\u003e\u003cp\u003eThe efficacy of the Buyers Products D-Shaped Bumper stems from its advanced extruded rubber construction. Extrusion is a continuous manufacturing process where raw rubber compound is forced through a die of the desired cross-section under high pressure and temperature, creating a uniform, dense, and consistent product with excellent dimensional stability. The rubber compound is engineered for exceptional durability, resilience, and resistance to environmental degradation.\u003c\/p\u003e\u003cp\u003eTypically, such heavy-duty bumpers incorporate blends of synthetic rubbers, often including Styrene-Butadiene Rubber (SBR) or Ethylene Propylene Diene Monomer (EPDM), or a combination thereof. SBR is valued for its abrasion resistance, high tensile strength, and good impact resilience, suitable for frequent physical contact and friction. EPDM offers superior resistance to weathering, ozone, UV radiation, and extreme temperatures, typically from -40°F (-40°C) to 250°F (120°C). This broad temperature tolerance ensures the bumper maintains structural integrity and protective properties across diverse climates. The specific blend chosen balances mechanical strength with environmental robustness.\u003c\/p\u003e\u003cp\u003eRubber's inherent viscoelastic properties allow it to deform under impact, absorbing significant energy, then slowly returning to its original shape. This \"memory\" effect is paramount in repetitive impact scenarios, preventing permanent deformation and maintaining protective capacity. Unlike rigid materials that transmit forces directly or fracture, rubber dampens impact, distributing stress over a larger area and reducing peak forces. Its anti-vibration characteristics contribute to smoother interaction during contact, mitigating secondary stresses. Chemical resistance is vital; these bumpers resist common industrial chemicals, oils, greases, and cleaning agents, preventing material degradation and ensuring long-term performance. The manufacturing process ensures consistent density, eliminating weak points and guaranteeing uniform energy absorption.\u003c\/p\u003e\u003ch2\u003eEngineering Design: Functional Advantages of the D-Shape Profile\u003c\/h2\u003e\u003cp\u003eThe distinctive D-shaped profile is a result of meticulous engineering, optimizing both impact protection and installation efficiency. The flat rear surface provides a stable, flush mounting point against vertical surfaces, ensuring maximum contact area for secure attachment and effective force transfer into the mounting structure. This minimizes stress concentrations at fastener points, reducing tear-out or structural fatigue.\u003c\/p\u003e\u003cp\u003eThe rounded, convex front surface of the \"D\" serves critical functions. This curved profile presents a larger contact area to incoming objects during angled impacts, spreading the load and reducing localized stress on both the bumper and impacting surface. This minimizes gouging, scratching, and concentrated deformation. The curvature also facilitates a \"glancing blow\" effect, where angled impacts are partly deflected, reducing direct energy transfer and potential for shear forces, particularly advantageous in dynamic environments like loading docks.\u003c\/p\u003e\u003cp\u003eStructurally, the D-shape's substantial internal volume allows for significant deformation upon impact, acting as a spring to absorb kinetic energy and gradually dissipate it. This prevents sudden shock transmission. The internal structure creates an optimal balance between resilience and compression. The thicker \"wall\" of the D-profile, dimension C (7\/10 inch), significantly contributes to its ability to withstand considerable compressive forces without bottoming out, yet remaining pliable enough for effective energy absorption. This geometry ensures protective thickness is maintained, preventing direct metal-on-metal contact. The 3-inch depth (A) and 2-7\/8-inch width (B) optimize this balance, providing a substantial barrier that protrudes sufficiently without being overly bulky.\u003c\/p\u003e\u003ch2\u003eDimensional Configuration and Mounting Precision\u003c\/h2\u003e\u003cp\u003eThis Extruded Rubber D-Shaped Bumper is precisely engineered with dimensions of 3 inches in height\/depth (A), 2-7\/8 inches in width (B), and a substantial length of 24 inches. These dimensions are critical for adequate protection in various industrial and commercial settings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimension A (3.00 inches):\u003c\/strong\u003e This represents the overall height or depth when mounted. A 3-inch projection ensures a significant standoff distance, protecting the underlying structure (e.g., building wall, dock face, vehicle frame) from direct impact. This depth allows for considerable material compression and energy absorption before contact with the protected surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimension B (2-7\/8 inches):\u003c\/strong\u003e This denotes the width of the bumper. The substantial width provides a broad contact surface, distributing impact forces over a larger area, reducing localized pressure and enhancing stability during lateral or angled impacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimension C (7\/10 inch):\u003c\/strong\u003e This dimension, interpreted as the wall thickness or internal cavity depth, is crucial for structural integrity and energy absorption. A robust wall thickness ensures the rubber withstands significant compressive forces without premature failure or excessive deformation, contributing to long-term durability and consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength (24.00 inches):\u003c\/strong\u003e The 24-inch length provides extensive coverage, suitable for protecting specific zones on vehicles or sections of loading docks. This length ensures a single bumper covers a substantial area, simplifying installation. Multiple 24-inch sections can be installed end-to-end for continuous protective barriers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSecure Fastening: The Four-Hole Configuration and C-C of Holes\u003c\/h2\u003e\u003cp\u003eThe integration of four pre-drilled mounting holes is a pivotal design feature, guaranteeing secure and stable attachment to various surfaces. Four distinct mounting points significantly enhance the bumper's ability to resist shear forces, rotational stresses, and direct pull-out during impacts. This multi-point fastening strategy ensures impact forces are distributed evenly across the mounting hardware and substrate, preventing localized stress concentrations and potential fastener failure or damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo. of Holes (4):\u003c\/strong\u003e Four holes provide robust anchoring, essential for heavy-duty applications with repeated, high-energy impacts, maximizing adherence and minimizing deflection or detachment risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-C of Holes (6-1\/2 inches):\u003c\/strong\u003e The \"Center-to-Center of Holes\" dimension of 6-1\/2 inches specifies the precise spacing between mounting points. This standardized spacing is vital for installation accuracy and ensures secure mounting with common fastening methods. This dimension dictates bolt layout for even load distribution, crucial for overall structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimension D (1-1\/8 inches):\u003c\/strong\u003e This typically refers to the diameter of the mounting holes. A 1-1\/8 inch diameter accommodates substantial fasteners, such as heavy-duty bolts (e.g., 5\/8\" or 3\/4\" diameter with washers), necessary for anchoring the robust bumper to concrete, steel, or timber. The generous hole size allows for slight installation tolerances and provides ample space for robust washers, which distribute clamping force and protect the rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Scenarios and Performance Benefits\u003c\/h2\u003e\u003cp\u003eThis Extruded Rubber D-Shaped Bumper is indispensable across diverse industrial and commercial applications, primarily mitigating impact damage to vehicles and fixed structures.\u003c\/p\u003e\u003ch3\u003e1. Loading Dock Protection:\u003c\/h3\u003e\u003cp\u003eTrucks and trailers frequently back into elevated loading docks. These bumpers act as the primary contact point, absorbing kinetic energy and preventing:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Damage to Docks:\u003c\/strong\u003e Cracking of concrete, bending of steel frames, damage to levelers, and weakened supports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Damage:\u003c\/strong\u003e Dents, scratches, compromised taillights, bumper deformation, and chassis or suspension damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Maintenance Costs:\u003c\/strong\u003e Reduced repairs to both docks and vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e2. Delivery Bays and Garages:\u003c\/h3\u003e\u003cp\u003eSimilar to loading docks, delivery bays and municipal garages involve vehicles maneuvering in confined spaces. D-shaped bumpers protect:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilding columns, corners, and walls from vehicle impacts.\u003c\/li\u003e\n\u003cli\u003eParked vehicles from accidental contact.\u003c\/li\u003e\n\u003cli\u003eSpecialized equipment or sensitive areas within facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e3. Trailer and Truck Body Protection:\u003c\/h3\u003e\u003cp\u003eInstalled directly onto the rear of trucks, trailers, and specialized vehicles (e.g., refuse trucks, utility vehicles, recreational vehicles, boats) for inherent protection during maneuvering, parking, or unavoidable contact. They protect:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTaillights and license plate areas.\u003c\/li\u003e\n\u003cli\u003eSensitive rear-mounted equipment.\u003c\/li\u003e\n\u003cli\u003eVehicle frame integrity during minor collisions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e4. Marine Applications:\u003c\/h3\u003e\u003cp\u003eEffective in marine environments, protecting hulls and dock structures from abrasion and impact damage when boats, barges, or watercraft dock or moor. Resistant to saltwater and UV.\u003c\/p\u003e\u003ch3\u003e5. Industrial Facilities:\u003c\/h3\u003e\u003cp\u003eWithin factories, workshops, and distribution centers, where heavy machinery, forklifts, and AGVs operate near infrastructure. D-shaped bumpers protect:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWorkstations, machinery, and shelving.\u003c\/li\u003e\n\u003cli\u003eCorners of walls and structural columns.\u003c\/li\u003e\n\u003cli\u003eMaterial handling equipment itself.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCore Performance Benefits:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Energy Absorption:\u003c\/strong\u003e Viscoelastic rubber allows compression and rebound, effectively dissipating kinetic energy, reducing peak forces significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Asset Lifespan:\u003c\/strong\u003e Prevents direct damage, extending operational life of vehicles, docks, and infrastructure, deferring costly repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Noise and Vibration:\u003c\/strong\u003e Damping properties mitigate jarring noise and vibrations, contributing to a quieter work environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Cushions impacts, reducing risk of injury to personnel from sudden jolts or falling debris. Provides tactile feedback for safer maneuvering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather and UV Resistance:\u003c\/strong\u003e Withstands harsh environmental conditions (extreme temperatures, UV exposure, moisture), ensuring consistent year-round performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e Resists common oils, fuels, and cleaning agents, maintaining integrity and protective qualities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Maintenance:\u003c\/strong\u003e Requires minimal maintenance after installation, primarily periodic inspection. Robust construction ensures long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Guidelines and Best Practices\u003c\/h2\u003e\u003cp\u003eProper installation is paramount to maximizing performance and longevity. An insecure mounting compromises effectiveness and can lead to premature failure.\u003c\/p\u003e\u003ch3\u003e1. Surface Preparation:\u003c\/h3\u003e\u003cp\u003eMounting surface (concrete, steel, timber) must be clean, dry, and structurally sound. Remove loose debris, paint, or rust. Ensure no cracks in concrete mounting area.\u003c\/p\u003e\u003ch3\u003e2. Marking and Drilling:\u003c\/h3\u003e\u003cp\u003eUse bumper's pre-drilled holes as a template to mark drilling locations precisely. Accurate hole alignment is critical for flush, secure fit. Use appropriate hammer drill\/bit for concrete or metal drill bit for steel.\u003c\/p\u003e\u003ch3\u003e3. Fastener Selection:\u003c\/h3\u003e\u003cp\u003eCrucial choice. For concrete, heavy-duty wedge, sleeve, or drop-in anchors (with bolts) are recommended. For steel, through-bolting with grade 5 or 8 hex bolts, flat washers, lock washers, and nuts is ideal. For timber, heavy-duty lag bolts or carriage bolts can be used. Fastener diameter must be compatible with the 1-1\/8 inch bumper hole, allowing clearance but ensuring snug fit with washers.\u003c\/p\u003e\u003ch3\u003e4. Washer Usage:\u003c\/h3\u003e\u003cp\u003eAlways use large diameter flat washers under bolt\/lag screw heads and under nuts (if through-bolting). Washers distribute clamping force over a wider rubber area, preventing fastener heads from embedding or tearing rubber under dynamic loads.\u003c\/p\u003e\u003ch3\u003e5. Torque Specification:\u003c\/h3\u003e\u003cp\u003eTighten fasteners to manufacturer's recommended torque, ensuring secure attachment without over-compressing or damaging rubber.\u003c\/p\u003e\u003ch3\u003e6. Inspection:\u003c\/h3\u003e\u003cp\u003ePost-installation, visually inspect fasteners for proper seating and tightness. Periodically, especially after heavy impacts, check for looseness and bumper for damage or detachment.\u003c\/p\u003e\u003ch3\u003e7. Continuous Runs:\u003c\/h3\u003e\u003cp\u003eWhen installing multiple 24-inch bumpers, ensure minimal gaps for uniform protection. Consider thin, flexible sealant between sections if water ingress or debris is a concern.\u003c\/p\u003e\u003ch2\u003eLongevity, Maintenance, and Return on Investment\u003c\/h2\u003e\u003cp\u003eThe extruded rubber D-shaped bumper is engineered for exceptional longevity, typically offering many years of reliable service even in demanding environments. Its durable construction minimizes frequent replacement, providing excellent return on investment.\u003c\/p\u003e\u003ch3\u003eLongevity Factors:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Quality:\u003c\/strong\u003e High-grade rubber compound, chosen for abrasion, impact, UV, and chemical resistance, is the primary driver of extended lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign Integrity:\u003c\/strong\u003e D-shape's effective force distribution and four-hole mounting prevent premature localized wear or failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Exposure:\u003c\/strong\u003e While highly resistant, prolonged exposure to extreme conditions (e.g., perpetual direct sunlight, continuous chemical spills, harsh freeze-thaw cycles) can, over many years, contribute to material degradation. Compounds are optimized to mitigate these effects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact Frequency and Severity:\u003c\/strong\u003e Lifespan relates directly to magnitude and frequency of impacts. Designed for heavy use, unusually severe impacts or sustained crushing forces can accelerate wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance:\u003c\/h3\u003e\u003cp\u003eMinimal maintenance, primarily periodic visual inspections.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Inspection:\u003c\/strong\u003e Regularly check for deep cuts, tears, significant gouges, dry rot, or cracking. Inspect mounting area and fasteners for loosening, corrosion, or substrate damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e Mild soap and water cleaning removes dirt, grime, and contaminants, maintaining appearance and allowing clear inspection. Avoid harsh chemical cleaners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Checks:\u003c\/strong\u003e Periodically verify all mounting fasteners remain securely tightened. Loose fasteners allow bumper shift, reducing effectiveness and potentially damaging holes or substrate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReturn on Investment (ROI):\u003c\/h3\u003e\u003cp\u003eInitial investment yields substantial long-term savings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Repair Costs:\u003c\/strong\u003e Effectively protecting vehicles and infrastructure drastically cuts down on repair expenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimized Downtime:\u003c\/strong\u003e Prevents damage that leads to costly operational downtime, ensuring continuous workflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Reduces risk of personnel injury and associated liabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsset Preservation:\u003c\/strong\u003e Extends usable life of capital assets, delaying costly replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e May be mandated or recommended by safety regulations in some industries.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn conclusion, the Extruded Rubber D-Shaped Bumper with its specific dimensions and four-hole configuration is a strategic investment in operational efficiency, asset preservation, and safety. Its robust material science, intelligent design, and precise engineering combine to deliver unparalleled impact protection, offering a durable, low-maintenance solution for the most demanding industrial and commercial applications.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449581457779,"sku":"D324","price":40.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/D312_D324_drawing_1852781a-53bc-468f-b50e-f2d24563e156.jpg?v=1768841731","url":"https:\/\/titustrucksaccessories.com\/products\/d324-extruded-rubber-d-shaped-bumper-with-4-holes-3-x-2-7-8-x-24-inch-long","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}