Stainless Steel Cup Washers

Made from pressed stainless steel A screw cup washer enables the screw head to sit flush inside the washer providing a neat finish without the need to countersink the material. They are normally used with csk screws to leave a decorative, neat finish with no sharp edges. Their second use is like most washers, to spread the load from the screw head over a wider area, preventing damage of the surface being screwed into. Leaving a very aesthetically pleasing finish Dimensions: No.10 - internal diameter 6.8mm, external diameter 15mm No. 5 - internal diameter 5mm, external diameter 10mm No. 8 - internal diameter 6mm, external diameter 14mm