Instead of having lots of different pliers, you just change the head. Changeable heads are one solution intended to reduce this number. It's sometimes difficult to get pliers with a straight tip in between components - inside an engine bay, for example - so 45° and 90° options are available.Ĭhangeable heads: If you add up a few sizes and a few different tips, it's easy to see how a snap ring pliers set soon ends up including a half dozen or more tools. This is why these pliers are mostly sold in sets. If you're working with even a small selection of snap rings, you’ll soon end up needing several tools. Snap rings can be damaged if overstretched or distorted, so these tools open less than standard general-purpose pliers to prevent this. Thus, the snap ring is extremely popular.īestReviews Snap ring pliers set features There are other means of securing things on shafts - using a washer and cotter pin is a fairly common way - but they almost always require more than one component and more than one operation to fit, and they are more expensive to make. Snap ring pliers either close the O to fit inside a shaft, and the ring then springs open to fix itself securely in the groove, or the pliers open the O a little to place it over the shaft and then “snaps” closed when released. To suit both applications, there are external and internal types. In most cases, snap rings are designed to fit into a narrow groove, providing a physical barrier that prevents a component from sliding off a shaft or out from inside a bore. Sizes range from less than 1/10 inch to over 40 inches (the latter requires special tools - there's no way to make snap ring pliers that big). Retaining rings are usually flat, but some have beveled edges, which helps with proper location. These holes allow the insertion of the ends of the snap ring pliers. On each of the ends there's a lug with a hole in it. Most are a steel O shape that isn’t quite a fully closed circle - it has a break in it, a small gap for opening and closing. They have a number of names, including circlips, C-clips, and R-clips. They're also called C-clips and Seeger clips, the latter after German engineer Willi Seeger whose company developed an early version. Light-weight two-hand circlip pliers help to move the rings to the right place with little effort and with the help of a special locking mechanism.Snap rings are also widely known as circlips. Speaking of large: With circlips over 140 mm in diameter, the actuating forces for one-hand pliers are too great. As the thin working tips are sensitive to overloading, the largest possible pliers for the existing ring should always be used. In order to give you the best possible orientation, the permissible ring diameters are printed on all circlip pliers from KNIPEX. When dealing with circlips, one thing must be noted: The size of the ring and the size of the circlip pliers must always be coordinated. You see: No matter which pliers are required when installing or removing circlips: With 80 different circlip pliers, KNIPEX always has an answer! For retaining rings with straight flanks in the separating slot, we again offer special pliers with a corrugated, non-slip outer surface that ensure that you have the expansion of the external ring under control at all times. With the help of this hole, the tips can be gripped safely and the ring can be moved to the intended location. The special feature of retaining ring pliers: a narrow surface with a centered hole. Retaining rings are a slim design version of circlips - they taper at the opening and are gripped there. Last but not least, retaining ring pliers complete the range of circlip pliers from KNIPEX. The first choice for working with grip rings should be our circlip pliers for grip rings. These hold onto the shaft with pure gripping force and are therefore assembled or disassembled with a modified form of circlip pliers for external rings. There are special forms of circlips on the market.
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