12.7mm reduced shank to enable use in standard drill chucks. For use on aluminium, steel, plastic, wood and non-ferrous metals. Precision, strength and durability - all in one HSS drill bit from Toolpak. This blacksmith drill bit features a 118deg tip cutting angle and a black oxide finish to strengthen the outside surface. A hot roll-forged process gives the bit good flexibility and break resistance, while the 12.7mm reduced parallel shank bit enables use in standard drill chucks. This HSS bit

Brand Name	Toolpak