The 26318 Hand Tap Set, HSS, GT, M6 x 0.75, 2PC, manufactured by Voelkel, is a two piece hand tap set made from high speed steel material for improved performance and durability. The set includes two tapered threads M6 x 0.75, with a ground thread design for improved thread strength and accuracy. The set also includes a ground plug for improved cutting efficiency. The tip of the tap is split and ground for more rigid cutting action, reducing the cutting force needed for operation. The set is ideal for machining a wide range of materials, from aluminum to stainless steel.