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Stainless Steel Seeger Ring for the Inside or Outside of Pipes

The Seeger ring is named after the Seeger-Orbis, a German company producing mechanical components. This company was founded in October 1917 by Will Seeger. At the beginning the company was selling locomotives cylinders but, in 1927, ten years later, Hugo Heiermann patented the retaining “Seeger Ring”. The “Seeger” is an elastic stainless steel retaining ring […]

Pozidriv – Stainless Steel Cross Recessed Screws Type Z

The birth of the stainless steel cross recessed screws type Z Pozidriv (which is later than type H Phillips) initially appreciated for torque much higher and for the output, once you quit, without deforming the imprint or bits like the usual slotted screws (footprint screwdriver) present at the time. Pozidriv Screws The last one however may […]

Characteristics of Self-Drilling Screws or Drill Screws

The drill screws or self-drilling screws are used in cases where the processing is done with aluminum or other light metals. These screws already have the pre-formed hole and it forms the screw, for this it does not need the use of drill bits. The particular drill bit is given by the shearing (shearing is […]

Screw With Cylindrical Head: Characteristics and Types

The screw with cylindrical head is especially used when there are no obstacle problems derived from the head and when the tightening torque is very high. These screws has an excellent tightening capacity, mainly due to the depth grip. Because the more it is deep and the greater will be the safety. There are different […]

Hexagon Head Screw, the Most Classic and Most Common

hexagon head screw

Already from the name we can guess the particularity of this screw. The bolts specifically the coupling of screw and nut, compounds in most cases from hexagon heads screw and hexagon nuts. What kind of hexagon heads can you find online? What are the correct instructions to use for right tightening? The processing of the […]

When to Use Self-Locking Nuts or Auto-braking With Polyamide Insert

self-locking nuts

Self-locking nuts and auto-braking. During assembly, the screw meet running resistance by the friction between thread and polyamide washer. Why carried out the washer with this type of material? The polyamide has a very high elasticity. This allows to tighten and unscrew frequently the self-locking nuts. Also it’s one of the few to resist a numerous of chemical […]

Stainless Steel Cross Recessed Head Screws – Some doubt..

Cross recessed head screws: cheese head or pan head? That’s a dilemma worthy of Shakespearean Hamlet! But we shall see about how to resolve this particular problem.. Italy: a few words on the question of the legislation. The standard UNI 7687 has been still in force since 1977 and provides for the screws the presence […]

Stainless Steel Marine Hinges. When to Drill?

The centre-to-centre distance and the holes dimension: all the problems you have. You just blew a hole in the boat before receiving the batch of stainless steel hinges. Is it possible that the centre-to-centre distance and hole dimensions are different from those that appear on the catalogue? For some marine hardware the answer you can give […]

Thing to Know About Stainless Steel Tapping Screws on Metal Sheets

Are metal sheets and  tapping screws contaminated? Are clients complaining about you? Here are some useful tips to give them! What is the right material for the laminate and tapping screws? Tell your clients to be very careful with combination of materials to be used. These are some precaution to prevent the screws contamination: The […]