Feature(may vary by option.)

●Model: ER11-A M14, Material: Surface treatment of 40CR steel and black oxide. Precision grinding and hardening.
●Specifications: Aperture: 9 mm, Total Size (approx): 19 x 14 mm (D * H).
●Feature: After precision grinding and hardening, the hex nut can replace damaged parts well and fits most tool holders.
●Applicable to: hex nut can be used with ER tool handle, drill cutter, tool rod, fixed drill of extension rod nut and other tools.
●100% Satisfactory Service Enjoy a smooth and worry-free return service within one month. If you have any questions, please feel free to contact us. We will be happy to help you.

[ER20-A]

[ER11-A]

[ER11 1 & 4 & 1 & 8]

Description

Feature:
Specification: Hole Diameter: 9mm/ 0.35", Overall Size(Approx. ): 19 x 14 mm / 0.75 inches x 0.55 inches (D*H).
The hex nut can work with ER type tool handle, boring cutter, tool bar, extension bar nut holding drill bit and other tools.
Specifications:
Material: 40CR (5140) steel.
Colour: as shown in the picture.
Item Package:
Item Package Quantity :4