Solvent resistant foam material resists tearing

I get a razor-sharp edge which is essential in my craftsmanship

polishing and refinishing

softforming and profile wrapping

(1) Offset Hook

4-20mm Tin Coated HSS STR Flute Step Drill Bit 8030-M2 by Bordo Tormek Grindstone For Life Redemption Solvent resistant foam material resistsHSS Straight Flute TiN Coated Step Drills Straight Flute Titanium Nitride (TiN) coated step drills offers benefits over the standard bright finish step drills. High performance point for faster starting and reduced bit wander. TiN coating extends tool life, helps to dissipate heat, reduces friction and cold welding.