Phillips – Stainless Steel Cross Recessed Pan Head Screws
This type of screw with imprint appeared when an American businessman Henry Phillips bought a draft of an imprint for screws by an inventor named J.P. Thompson. About cross recessed pan head screws The project was not revealed before because Thompson was unable to convince the producers of screws on the feasibility of his project […]
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 […]
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 […]
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 […]
AISI 316. Great Resistance to Hydrogen Sulfide Acid Corrosion
If you are looking for screws, bolts or hardware suitable with hydrogen sulfide acid, do not make the mistake of choosing a material that is not AISI 316. AISI 316 and resistance to hydrogen sulfide acid. In which sectors is it most commonly used? The hydrogen sulfide acid is most commonly used on the following […]
Cone Point Socket Set Screws . What Are The Differences Between DIN and ISO?
Stainless steel cone point socket set screws are used on materials (e.g: handles, fittings etc..) suitable for being penetrated by the point in order to achieve a stable assembly. Cone points are necessary for good-quality assemblies. Cone point socket set screws. DIN 914: reduced socket depth The DIN 914 standard, states that for lengths shorter or […]