Number #20 Double Ended M35 Cobalt Rivet Drill Bits Box Size:Box 20 - Manufactured from Industrial Quality

- Manufactured from Industrial Quality Brass Wire- Removes scale

- Use instead of steel wool

Designed for use with Velcro-backed sanding discs

Excellent for removal of paint or rust off car panels - also great for use on wooden or fiberglass surfaces

Number #20 Double Ended M35 Cobalt Rivet Drill Bits Box Size:Box 20 - Manufactured from Industrial QualityDeveloped to drill holes for rivets in flat and curved panels and are ideal for use in car body work and sheet metal fabrication. Cobalt increases the strength of the steel and makes it more heat resistant; this is an important factor in drilling hard materials because the friction of metal against metal can produce high temperatures that damage the material. Popular for pop rivet drilling applications Fully ground M35 HSS material increases drill