A nut is a type of fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten a stack of parts together. The two partners are kept together by a combination of their threads’ friction, a slight stretch of the bolt, and compression of the parts. In applications where vibration or rotation may work a nut loose, various locking mechanisms may be employed: Adhesives, safety pins or lockwire, nylon inserts, or slightly oval-shaped threads. The most common shape is hexagonal, for similar reasons as the bolt head – 6 sides give a good granularity of angles for a tool to approach from (good in tight spots), but more (and smaller) corners would be vulnerable to being rounded off. Other specialized shapes exist for certain needs, such as wing nuts for finger adjustment and captive nuts for inaccessible areas.
Nuts are graded with strength ratings compatible with their respective bolts; for example, an ISO property class 10 nut will be able to support the bolt proof strength load of an ISO property class 10.9 bolt without stripping. Likewise, an SAE class 5 nut can support the proof load of an SAE class 5 bolt, and so on.
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Today I am going to show you our new line of RUKO drill bits, countersinks and hole saws. AutomationDirect started carrying drill bits and sets almost two years ago and our product team keeps bringing you more and better tools at great prices.
Let’s start off with the Drill bits: there are new sizes in metric high speed steel and high speed steel cobalt and fractional inch bits in the high speed steel cobalt bits – the HSS-Co or cobalt bits are better for drilling in harder materials. There are ninety three new parts with individual sizes and kits.
Next is our addition of more step drills. We are adding individual sizes and kits in high speed steel cobalt and high speed steel titanium nitride coated bits. There are ten new drills with this line up.
Next up is our new Counter sinks. A counter sink drills a cone shaped hole for use with flat head screws so that they can be installed flat across a surface. There are six new part numbers in individual sizes and a kit.
Last is our hole saw kits. AutomationDirect has carried hole saws, but as individual part numbers. These new Bi-metal high speed steel and bi-metal cobalt saws are sold in kits. The kits include pilot drill bits and arbors and there are seven kits available.
You can find the agency approvals and specs for all of these new RUKO cutting tools on our website at: www.automationdirect.com
Don’t forget: we sell other drill bits, hole saws and tools.
Check back with us often on AutomationDirects websites or on Youtube.com/Automationdirect for more Kickstart videos. If you are watching us on YouTube, please let us know what you think about these new RUKO tools or how you plan to use them in your application by leaving us a comment down below.
Thanks for watching and we hope to see you again soon.
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