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3222316178
Epiroc
3222316178
Hello, Mine Owners and Maintenance Chiefs! I am the supplier who specializes in solving problems like "equipment falling apart," "snapped bolt heads," and "structural cracks." Today, I’m recommending a "part that seems common but must never be compromised"—the Heavy-Duty Fully Threaded Bolt for Construction Machinery.
Anyone in mining knows our equipment is huge, powerful, and vibrates like crazy. If the bolts in critical areas are soft or break, it's not just about losing a part; it means the entire boom, counterweight, or even the cab could fall off! Many cheap bolts on the market look shiny but are made of recycled steel or produced via thread cutting. The threads are shallow, strength is low, they strip under torque, and snap under vibration. Our fully threaded bolt is specifically engineered for "powerhouses" like mining drills and excavators. It doesn't just tighten; it withstands vibration and resists rust. Choose us to equip your equipment with "bulletproof vests" for every connection point, ensuring stability and peace of mind while working.
High-Strength Carbon Steel: No "Cutting Corners":
Bolts are the lifeline of equipment; material quality is non-negotiable.
Material: We use high-strength carbon steel (e.g., 45# steel, 40Cr alloy steel). This is the same material used for main shafts and gears, offering extreme tensile strength. Don't compare it to ordinary 4.8-grade iron screws; they aren't even in the same league.
Process: Threads are formed using the thread rolling process. They aren't cut away by a lathe but extruded by rolling dies. This preserves the metal flow lines, increasing strength by over 30% compared to cutting, with full, sharp threads that never strip.
Zinc Plated Anti-Rust: Ignores Mining "Harshness":
Mine environments are brutal—acid rain, mud, urea water—everything attacks metal.
Surface Treatment: The surface is zinc plated. This zinc layer acts like a "raincoat" for the bolt, providing strong anti-corrosion ability. Even in damp underground environments or areas frequently exposed to water, they won't rust for years. During disassembly, a wrench removes them easily without seizing or stripping.
Appearance: Bright and shiny, making your equipment look sharp, essential for refurbishments.
Full Thread Design: Maximum Versatility:
Fully threaded bolts are more practical than partial thread bolts.
Flexibility: Regardless of the workpiece thickness you need to fasten, the nut can be positioned anywhere along the shank. Used with double nuts, the locking effect is superior.
Consistent Strength: Full thread bolts lack stress concentration points (like thread runouts) on the shank, performing more stably and resisting shear force without snapping.
Precision Dimensions: Hassle-Free Installation:
Many screws won't fit because of large thread tolerances.
Precision: Our bolt thread tolerances are strictly controlled. Installation is smooth and seamless, without binding or misalignment. When paired with the recommended torque, every tightening is reliable.
Parameter | Specification |
|---|---|
Product Name | High-Strength Fully Threaded Bolt / Hex Head Cap Screw |
Core Material | High-Strength Carbon Steel (45#, 40Cr Alloy Steel) |
Surface Treatment | Zinc Plated (Anti-Rust) |
Manufacturing Process | Thread Rolling |
Strength Grade | Grade 8.8 / 10.9 / 12.9 (Options Available) |
Compatible Locations | Equipment Frames, Counterweights, Engines, Hydraulic Blocks, Track Shoes |
Excavators: Pivot points for booms and arms, counterweight mounting, track shoe connections.
Mining Drills: Drill frame base mounting, hydraulic valve block installation, motor base fastening.
Loaders: Front and rear frame articulation, transmission-to-engine connections.
Major Overhauls: Replacing aged, rusted, or stretched original bolts to ensure structural safety.
Full Range, Ready to Ship: From M8 to M48, short to long, we have ready-made stock. Just measure your diameter, length, and thread pitch, and we ship immediately.
Hardness That Lasts, No Snaps: We guarantee our bolts have sufficient strength. Under torque, they will not strip or snap. If one breaks, come to us for compensation!
Value for Money: We don't sell the cheapest, because they fail, and one snapped bolt can destroy an entire machine. We sell the safest. Do the math: using our bolts means zero breakages per year, saving you repair costs and downtime losses that far exceed the price.
A Quick Tip for the Mechanics:
Brothers, tightening bolts is skilled work and potentially dangerous.
Clean the Threads. Before tightening, thoroughly clean rust and mud from the bolt holes. Otherwise, it might seem tight but isn't seated properly, resulting in insufficient clamping force.
Apply Lubricant. Before tightening, put a bit of engine oil on the threads. This reduces friction, allowing you to achieve the standard preload. Never dry tighten; it looks tight but isn't.
Use a Torque Wrench. For critical locations (boom pivot points, engine mounts), always use a torque wrench. Don't tighten by feel; too tight causes snapping, too loose causes loosening.
Tighten Diagonally. When installing flanges or covers, always tighten diagonally in stages. Don't pull one side tight first; that causes uneven stress, leading to leaks or deformation. Safe travels home are what matter most!
