【Dimension and Quantity】-- Our Round Ended Key Stock Assortment Kit includes 16 sizes of keys:3 x 3 x 8mm(15pcs), 3 x 3 x 10mm(10pcs), 3 x 3 x 12mm(10pcs), 3 x 3 x 16mm(10pcs), 4 x 4 x 10mm(10pcs), 4 x 4 x 12mm(15pcs), 4 x 4 x 16mm(10pcs), 4 x 4 x 20mm(10pcs), 5 x 5 x 12mm(10pcs), 5 x 5 x 16mm(10pcs), 5 x 5 x 20mm(10pcs), 5 x 5 x 25mm(10pcs), 6 x 6 x 16mm(5pcs) 6 x 6 x 20mm(5pcs), 6 x 6 x 25mm(5pcs), 6 x 6 x 30mm(5pcs). The 16 most commonly used size can meet your different needs in daily life.
【Quality Material】-- These Key Stock are made of high-quality carbon steel material, with precise craftsmanship, smooth surface, no burrs, corrosion-resistant and rust proof; this assortment provides durability and reliability.
【Convenient Storage】-- All parallel drive shaft keys are stored separately in a transparent box according to their size. The box comes with clear labels for quick access and storage.
【Precision Engineering】-- Our woodruff key stocks are designed with precision to tightly fit into predetermined slots, transmitting torque at shafts and hubs, ensuring smooth installation and optimal performance; The size ranges from 3mm to 6mm, ensuring a perfect fit with various drivers and shafts.
【Wide Application】-- The key stock assortment is are widely used in automobile engines, industrial machinery, machine tools and agricultural equipment, etc; it fits most smaller engines, repairing machinery, or tackling a DIY project.