The type a point has a conical tip and spaced threads.
Black oxide steel fasteners on aluminum sheet.
Black oxide stainless steel screws are sold in quantities from the hundreds to the thousands.
Steel is often used in applications where strength is the primary consideration.
The black oxide finish steel sheet metal screw with pan head and phillips drive has a type a point for forming threads in thin metals between 0 015 and 0 050 thick and resin impregnated plywood.
If you use aluminum to attach a large sheet of stainless steel the aluminum life will be dramatically shortened.
The type ab point has the conical tip of a type a point with the finer spaced threads of a type b point.
The wax is invisible but adds a slight amount of additional corrosion resistance to the already resistant stainless steel.
Like any material black oxide treated fasteners can rust in the right environments.
Customers can therefore conveniently buy enough black oxide nuts and bolts to support their businesses and processes.
We stock over 20 million socket head cap screws black oxide miniature screws metric screws aluminum screws stainless steel fasteners alloy steel fasteners zinc plated fasteners in metric or standard sizes.
Screws treated with a high quality coating consisting of zinc and aluminum.
Looking for black stainless steel hardware.
Black oxide adds a mild layer of corrosion and abrasion resistance to fasteners.
Zinc plated steel and black oxide are commonly used examples.
We black oxide and wax our plain stainless screws and nuts.
Black oxide fasteners made from stainless steel usually grades 18 8 or 304 have been chemically treated to alter certain qualities of the material most notably the color.
Albany county fasteners recommends the use of neoprene epdm or bonding washers in between stainless fasteners and aluminum materials the neoprene forms a barrier in.
The black oxide is applied to 18 8 and a2 stainless fasteners but can be applied to any grade of stainless or alloy.
As is the case with carbon steel screws a plated stainless steel screw is less likely to corrode aluminum.
However stainless steel is reactive with aluminum and when a stainless steel screw is in contact with an aluminum base metal the aluminum is likely to corrode.
We ve been distributing black oxide fasteners and more since 1947 and we supply fasteners in bulk and in custom packaging and.
Whether you are looking for machine screws sheet metal screws metric screws threaded machine screws drywall screws socket head.
Product description the black oxide finish steel sheet metal screw with truss head and phillips drive has a type ab point for forming threads in thin metals between 0 015 and 0 050 thick and resin impregnated plywood.
It will depend on if the fastener is damaged or marred the type of metal with the black oxide treatment and environmental conditions.
