The lock washer prevents nuts and bolts from turning, slipping and coming loose because of vibration and torque. Different lock washers perform 

Best Practices for Bellevilles and Conical Disc Springs. American Belleville washers may be stacked in order to achieve added load or greater deflection, as well. Available materials include: High-carbon Steel Alloy AISI 1074 (ASTM A684) AISI 6150 (50CrV4/51CrV4) Chrome Vanadium Steel (ASTM A506) 301 Stainless Steel (ASTM A666)

Shop for Spring & Locking Washers at Ferguson. Ferguson is the #1 US plum supply company and a top distributor of HVAC parts, waterworks supplies, 

Spring washer also named split washer or lock washer, is type of washer on which a ring split at one point and bent into a helical shape,which causes the washer to exert a spring force between the fastener’s head and the substrate, spring washer has axial flexibility and creates more friction to prevent loosening due to vibrations on the substrate.

Spring Split Lock Washers The Double Coil Helical Spring Washer is used in soft joints, such as wooden pole line assemblies, that are subject to considerable expansion and contraction. The double coil provides the travel necessary to maintain effective clamping force in such assemblies. Metric Heavy Helical

How to choose a flat washer? When used with bolts and nuts, the selection criteria for flat washers: What is a spring washer? Classification of 

Spring washers are disks of metal that form an irregular shape, so that when the washer is loaded it acts like a spring and deflects, providing a preload between the two surfaces. There are many different spring washer types including belleville washers, bowed or curved washers, conical washers, finger washers, wave washers and adjustable

Split Lock Washer of MISUMI, Check out the variety of configurable, Split Lock Washer of MISUMI,MISUMI has other mechanical components, Press Die, 

The Basics. A Belleville washer or disc spring is a conical-shaped spring with an open center. It is shaped much like a washer and is typically smaller than a coiled spring. Because Belleville washers can bear a much larger load relative to its deflection rate than a coiled spring, they are ideal for cushioning heavy loads with short motion.

Spring affect of washer is used to counter shrinkage of wood members. Heavy-Duty, double-coil spring washer with 0..65" diameter hole for 5/8" diameter bolt 

This animation introduces the concept of the Spring Washer Effect.