DIN 404 slotted capstan screws, Cross/Slot Ammeter Screws, Sealing Screws, Cover Screws
DIN 404 slotted capstan screws (also called ammeter Screw, Sealing Screws, Cover Screws ) have a unique design in that head which is similar to a cheese head in shape have two holes (Type A) or one hole (Type B & C) bored through the side of the head at 90 degrees to one another serving a dual purpose:
1) the DIN 404 capstan screw may be tightened by inserting a tee bar into the hole when it is not possible to use a screw driver to tighten the screw; 2) Locking wires can be attached to the cross holes to secure the screw.
DIN 404 screw is applicable in such areas as machine building, instrument making, as well as industrial and industrial sectors for bonding structural elements from various materials. DIN404 cover screws are mainly used for sealing operations. In the head of the screw there are holes for the installation of the sealing rope.
DIN 404 Screws are Capstan Screws, ammeter Screw, Sealing Screws, Cover Screws.
Screw DIN 404 less common type of fasteners, mainly used for sealing operations.
The screw has the following design: an enlarged cylindrical head with small holes that are used for sealing.
It is recommended to use together with a safety wire.
The radial holes are located on one side of the longitudinal slot, which fits under the screwdriver SL3 – SL6.
Thanks to galvanic treatment, the screw DIN 404 is able to withstand enormous loads, low and high temperatures, and can also be used in high humidity conditions.
The screw is used to create a controlled fastening, i.e., it is universally used to seal individual elements of electro-water ammeter accounting.
It can also play the role of an excellent connecting fastener, in the absence of holes for fixing the control wire, the surface of one and the second part is equipped with two DIN 404 sealing screws and a seal is attached between the screws.
DIN 404 slotted capstan screws – Drawing
Table according to DIN258 taper pins specification:
P4W can produce all kinds of custom DIN404 sealing screws according to customer’s special requirements.
We are providing the range of DIN404 ammeter screws with a variety of materials, thickness, sizes, design, strength, finishes and other configurations.
All tailor-made DIN404 cover screws are available with a various type of plating, finishing or coating options such as Tin, Zinc (yellow, white, blue, black), Hot Dip-Galvanized, Chrome, Nickel-Brass, Black Oxide, Electro Tin, Phosphate, Powder Coating and any other as required.
Our capstan screws is available in different international standard including ISO capstan screws, JIS capstan screws, ANSI capstan screws, BS capstan screws, DIN capstan screws, EN capstan screws UNI capstan screws and more.
Just visist our website for more custom turned parts & screw machined products.