Complete Size Range: Includes 140pcs shaft keys in 3mm 4mm 5mm and 6mm sizes with multiple lengths for versatile machinery repair and industrial applications.
Engineering: Round ended parallel keys processed to standard specifications ensure secure fastening and easy installation in mechanical components.
Durable Construction: Made from premium materials to withstand heavy loads and harsh working conditions without deformation or wear.
Multi-Scenario Use: Suitable for various industrial equipment maintenance automotive repairs and mechanical assembly projects.
Organized Quantity: Packaged in practical quantities (10pcs or 5pcs per size) for different project needs and replacement purposes.

Features:
and.
It is , not easy to rust.
It is durable and has a long service life.
It is complete in specification, and can be applied in various working situations.
With standard processing, it can be used as perfect fastener.
Specification:
Condition:
Size:
Specification 3 * 3 * 8mm / 0.1 * 0.1 * 0.3in 3 * 3 * 10mm / 0.1 * 0.1 * 0.4in 3 * 3 * 12mm / 0.1 * 0.1 * 0.5in 3 * 3 * 16mm / 0.1 * 0.1 * 0.6in
Quantity 10pcs 10pcs 10pcs 10pcs
Specification 4 * 4 * 10mm / 0.2 * 0.2 * 0.4in 4 * 4 * 12mm / 0.2 * 0.2 * 0.5in 4 * 4 * 16mm / 0.2 * 0.2 * 0.6in 4 * 4 * 20mm / 0.2 * 0.2 * 0.8in
Quantity 10pcs 10pcs 10pcs 10pcs
Specification 5 * 5 * 12mm / 0.2 * 0.2 * 0.5in 5 * 5 * 16mm / 0.2 * 0.2 * 0.6in 5 * 5 * 20mm / 0.2 * 0.2 * 0.8in 5 * 5 * 25mm / 0.2 * 0.2 * 1in
Quantity 10pcs 10pcs 10pcs 10pcs
Specification 6 * 6 * 16mm / 0.2 * 0.2 * 0.6in 6 * 6 * 20mm / 0.2 * 0.2 * 0.8in 6 * 6 * 25mm / 0.2 * 0.2 * 1in 6 * 6 * 30mm / 0.2 * 0.2 * 1.2in
Quantity 5pcs 5pcs 5pcs 5pcs
Package List:
140*Parallel Drive Shaft Keys