Shopping Cart

Your cart is empty.

Your cart is empty.

Keyway Assortment Tool Kit with 80PCS Half Moon Keys,Carbon Steel Semicircle Bond Key with 3mm 4mm 5mm 6mm for Fasteners Flywheel Key,Professional Car Accessories Metric Hardware

4.8 (2) Write Review
Free shipping on orders over $29.99

$8.08

$ 3 .99 $3.99

In Stock
  • Fixed Connection of Shaft Parts: When rotating parts such as gears, pulleys, need to be secured to the shaft, it is precisely inserted into the keyway on the shaft and the corresponding keyway on the part, creating a mechanical locking mechanism
  • High Hardness Box: We use high hardness clear PP material. Transparent design, can be seen at a glance. The interior is designed with fine zoning, each size of half-moon key has an exclusive storage area for easy categorization and quick location access
  • 80PCS 8 Kinds of Specification: This kit is prepared with a total of 80 half moon keys, covering 8 different size specifications, each size has 10 keys, to meet the needs of different application scenarios and mechanical parts connection
  • Conforming Carbon Steel Material: Our half-round keys are made especially from quality-standardized carbon steel to withstand high mechanical stresses and wear, maintaining stability and reliability during high-torque transmissions
  • Applicable Scenarios: Semicircular keys have become ideal for many applications due to their strong performance. They play a key role in maintaining a precise fit and strong connection between parts and shafts, as well as transmitting torque


SEMI-CIRCULAR BUTTONS - THE INNOVATIVE ART OF CONNECTIVITY THAT ALLOWS EVERY OUNCE OF POWER TO BE TRANSMITTED ACCURATELY, COMBINING STABILITY AND DURABILITY IN INDUSTRIAL AESTHETICS!


Product Attributes

Colors: Silver Black

Sizes: 13*5*3/13*5*4/16*6.5*3/22*9*5/16*6.5*4/19*7.5*4/19*7.5*5/22*9*6 mm

Weight: 10.1 oz

Material: Box: PP

Semicircle Key: Carbon Steel

Packaging: Half Moon Key*80


Product Functions

Semicircle bond key is built with carbon steel and the box is designed with PP, both of which are high hardness and wear-resistant materials that maintain the stability of the tool when in use

Half moon key is able to transmit torque by contacting with the side wall of the shaft and the keyway of the part, so that the rotary motion of the shaft can be effectively transmitted to the part mounted on the shaft


Product Include

13*5*3 mm x10, 13*5*4 mm x10, 16*6.5*3 mm x10, 22*9*5 mm x10, 16*6.5*4 mm x10, 19*7.5*4 mm x10, 19*7.5*5 mm x10, 22*9*6 mm x10


John L.
Reviewed in the United States on April 23, 2025
I recently got the Keyway Assortment Tool Kit, which includes 80 half-moon keys in various sizes (3mm, 4mm, 5mm, and 6mm), which has great assortment of sizes for various projects. The keys are made from high-quality carbon steel, and you can immediately feel the durability and strength of the material. They are well crafted, with clean edges and precise dimensions, ensuring a good fit for a variety of applications. With 80 pieces included, this kit offers a great assortment of sizes for various projects. The half-moon design is perfect for preventing slippage when securing components, making them ideal for use with fasteners and flywheels. The kit comes well-organized in a sturdy case that makes storage easy. The layout helps keep the keys from getting mixed up, allowing me to quickly access the size I need. Given the quality, variety, and convenience offered by this Keyway Assortment Tool Kit, I believe it delivers excellent value for money.
Gr&El
Reviewed in the United States on April 11, 2025
These are quality steel keys that fit well. A must have for machine owners.