The galvannealed coating allows these steel sheets to be painted without prepping the surface.
Black oxide steel sheet.
The black oxide is applied to 18 8 and a2 stainless fasteners but can be applied to any grade of stainless or alloy.
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.
Pan head rounded top with an undercut flat bottom head.
Sizes listed below as.
Diameter thread pitch.
We stock the very best quality black oxide finish hardware in the industry.
Use them for outdoor signs cabinets and doors.
The pvd physical vapor deposition surface treatment is quote durable and is actually harder than the stainless steel surface itself.
This sounds great but don t misunderstand.
Boi operates one of the largest capacity black oxide facilities in the united states and has gained a reputation as a trusted metal finishing professional.
Everything from stainless steel socket head cap screws flat socket screws flat head phillips pan head phillips metric and standard fasteners and much more.
Mid temperature blackening processes offer dimensional stability smut free finishes and high quality results.
Also known as self piercing screws or self tapping screws.
Epi s mid temperature black oxide process kool blak 225 blackens steel in 30 45 minutes and converts it to black iron oxide magnetite which provides a glossy black finish as well as protection for the part.
Our stainless steel black oxide fasteners are coated locally here in the usa.
They re easier to weld and more scratch resistant than zinc galvanized steel sheets.
The black stainless steel is available in 304 and 316 stainless steel and offers an attractive finish for general 304 and harsh environments 316.
Our services include processess such as black oxide finishing phosphate coating passivation ndt blasting and deburring.
The type ab point has the conical tip of a type a point with the finer spaced threads of a type b point.
The black oxide coating of a sheet metal screw provides corrosion and abrasion resistance.
Black oxide screws and fasteners.