Do you torque the bolt or the nut, or does it even matter?
I had a question recently which has actually come up many times in the past and its one that's often put to suppliers of hardware nuts and bolts and the question is this: does it make any difference in joint tightness if the tightening torque is applied to the bolt or the nut in a connection which h...[More]
Washers: Use and Misuse
Washers seem to be relatively simple animals. They've got no threads. They've got a hole. They've got an inside and outside diameter, and a thickness. And if it's a lock washer, it's got some other things going on. There is a lot more to know about washers than you ever thought and a lot of mone...[More]
Coarse Threads vs. Fine Threads
Recently, a client of mine had advised a customer who needed some fine thread bolts that they couldn't get, to use coarse thread instead, because they were "stronger", or "better" was the actual word he used.
Well, it turns out, because of the geometry of threads in every case, when the mat...[More]
The Importance of Proper Paperwork
A recent visit to a very important national defense facility was based on the fact that they were having some real problems with paperwork coming with their fasteners through the distributors that were providing them. It's always been my feeling that as fastener suppliers, one of the things we get ...[More]
Boron Steel in Fasteners
Most of you probably know that over the past decades, boron steel got kind of a bad rap for some undeserved reasons. It's actually a very important material. It helps us to make fasteners cheaper and easier. Boron steel allows us to use steel with less carbon to make higher strength fasteners. One ...[More]
Structural Bolting Suppliers
Every experienced structural bolting supplier has war stories about things that have gone horribly wrong with structural bolt transactions or installations. Those fastener suppliers who only dabble in the structural bolting niche soon find out about the inherent risks associated with supplying str...[More]