black screws made from black stainless steel using the CB10 coating process.


Buy online or call: 01422 881814

thread pitch guide to help you find the correct thread pitch you need for metric fasteners. - black stainless steel coating CB10



black nuts - black stainless steel full nuts


New Collection

The UKs Number One Supplier

We provide our customers with an excellent range of the very best quality fasteners available. Carbolts is the Uks leading supplier of Black Stainless Steel Fasteners.

We have a large range of black stainless steel bolts, nuts and washers in stock and are expanding this range all of the time. We also stock a range of A4 (316) Marine fasteners.

We have our own in house Star SR-32J sliding head lathe, manufacturing extremely high precision quality stainless steel fasteners and special parts. These can also be put through our CB10 Blacking Process.

We also stock a range of black stainless steel A4 marine fasteners and fixings, stainless steel rivets, wood screws and hose clips.

If you are looking for black bolts, washers and nuts then you have come to the right place.

Please browse through our catalogue above or contact us using the details below.

Call: 01422 881814 or Email:

carbolts countersunk bolts available in various metric sizes and lengths

New Catalogue

A new more comprehensive product range is coming soon

UKs Leading Supplier of Black Stainless Steel Fasteners

If you need any further help please call us on 01422 881 814