What is an undercut machine screw?
Undercut screws are often used for fastening door hinges. They feature a flat, undercut, countersunk head with phillips recess. Undercut screws have a flat bottom under the head, as opposed to a conical head that tapers down to the shank.
What does a fillister head screw look like?
Fillister head screws, or raised cheese head screws, are similar to cheese head screws because both have cylindrical sides and a flat mating surface. However while the cheese head has a flat top, the fillister screw head has a domed top resulting in an overall deeper head.
What are fillister head screws used for?
Slotted Screws for Counterbored Holes Slotted Fillister head machine screws have a large over sized head and are used to attach metal to metal or metal to wood. A Fillister head machine screw, sometimes called a cheese head screw, is similar to a Pan head machine screw but with greater side height.
What are flat head screws?
Flat Head Screws, also called Countersunk Screws, are conical with a flat outer face and a tapering inner face. An advantage to this type of screw is that very little of the head protrudes beyond the surface, allowing it to sink into the material. These screws are commonly made out of stainless steel or zinc coating.
What does fillister mean?
an adjustable rabbet plane
Definition of fillister : an adjustable rabbet plane also : a rabbet especially on the outer edge of a window-sash bar.
What are CSK screws?
Overview of Countersunk Screws Also known as a flat-heat screw, a countersunk screw is a type of screw that’s designed to rest flush with the object or surface in which it’s inserted. They are called “countersunk screws” because they “sink” into objects and surfaces.
What is the difference between Flathead and pan head screws?
Pan head machine screws are machine screws with heads that are flat on top and rounded on the sides. They’re similar to oval head machine screws, which also have rounded sides; the difference is that oval head screws have a rounded top, too, as opposed to a flat top, and they have tapered bases.
What is a fillister plane?
A fillister plane is used for forming and trimming rebates / rabbets with the capability of working with the grain or against the grain. A fillister plane is equipped with a spur or nicker for the cross grain work.
What are oval undercut machine screws?
Oval undercut machine screws are similar to the standard oval head style except that the head is undercut 70% of its normal side height. The oval undercut style is standard in shorter lengths because it allows greater length of threads.
What is an oval head machine screw?
Oval head machine screws have a countersunk head with a rounded top surface and a cone-shaped 82 degree bearing surface. The oval style is often preferred over a flat head in conical applications, or when a more decorative look is required.
What is a domed head screw?
These screws have a decorative, domed head that sits above the surface when installed. These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic.
Are 18-8 screws magnetic?
Aluminum screws are lightweight and have good corrosion resistance. Made of 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. These metric 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic.