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091-9915
Komatsu
091-9915
In the high-vibration, high-impact world of mining and construction, the smallest components often bear the greatest responsibility. The Flat Washer is far more than a simple piece of hardware; it is a critical load-distribution and protection device engineered to maintain the structural integrity of your most valuable equipment. Designed specifically as a core fastener accessory for mining drilling rigs, this washer is manufactured from high-quality carbon steel and processed through precision stamping and black oxidation treatment. It serves as the frontline defense against bolt loosening, joint failure, and equipment downtime.
The foundation of a reliable washer is the material from which it is made. Our washers are fabricated from premium carbon steel :
Structural Strength: Selected for its superior tensile strength and hardness, this material ensures the washer does not deform, bend, or crush under the extreme clamping forces exerted by heavy-duty bolts and nuts.
Toughness & Durability: Unlike brittle alternatives, high-quality carbon steel offers the perfect balance of hardness and toughness, allowing it to withstand the dynamic shock loads typical of drilling operations without fracturing.
Consistency: Each batch of raw material is spectroscopically verified to meet strict chemical composition standards, ensuring uniform performance across every single piece.
We combine advanced production techniques with meticulous finishing processes to deliver a superior product:
Precision Stamping: Utilizing high-tonnage precision stamping presses, we produce washers with exact inner and outer diameters. This ensures a perfect fit on the bolt shank and the mating surface, eliminating play and misalignment.
Black Oxidation Treatment: The surface undergoes a controlled black oxide conversion coating process. This provides:
Corrosion Resistance: A dark, matte finish that protects against rust and oxidation in humid or chemical-laden environments.
Lubricity: Reduces friction between the nut, washer, and mating surface, allowing for more accurate torque application during tightening.
Appearance: A professional, non-reflective finish suitable for high-end industrial equipment.
Flawless Geometry: Every washer is inspected for high flatness and burr-free edges. Deburring is a critical step—it prevents the washer from damaging the mating surface and ensures it sits flush, maximizing contact area and pressure distribution.
The primary role of this flat washer is to safeguard the structural integrity of your drilling rig:
Load Distribution: When a bolt is tightened, the washer spreads the clamping force over a wider area. This prevents the bolt head or nut from digging into the softer base material, which can cause cracking or deformation of the equipment housing.
Preventing Bolt Loosening: In drilling rigs, constant vibration is the enemy of fasteners. By providing a smooth, hard bearing surface, the washer reduces friction-induced rotation, helping to keep bolts securely locked in place even under sustained vibration.
Protecting Mating Surfaces: Acts as a sacrificial layer, taking the wear and tear of tightening and vibration so that the expensive castings and housings of the transmission system remain undamaged.
This flat washer is engineered for the most demanding fastening needs:
Drilling Rig Transmission Systems: Secures gears, bearings, and housings where high torque and vibration are present.
Hydraulic Components: Used in the assembly of pumps, valves, and cylinder mounts to ensure leak-free, stable connections.
Undercarriage & Structural Joints: Essential for securing track frames, boom pivots, and counterweight mounts on heavy machinery.
Produced in strict accordance with international engineering machinery fastener standards :
Dimensional Accuracy: Every batch is spot-checked using calibrated gauges to ensure concentricity and thickness tolerance.
Hardness Testing: Rockwell hardness tests are conducted to verify the steel meets the required strength specifications.
Traceability: Full material traceability is maintained from raw steel to finished product.
