Steel Plain Plug Gage

Simple Description:

• For checking large diameter holes.
• Supplied with Go and No-Go gages together
• Grade: H7 / H8 / H9
• Sizes range from 1.000mm（0.04″）-200.000mm(8″)
• The measuring head is made of high-performance GCR15 steel. After undergoing strict heat treatment, its hardness reaches 53-60 HRC, and it features high hardenability.

CUSTOM – MADE

• Inch size Go NoGo plug gage with grade X / grade Y / grade Z / grade ZZ can be provided on request.
• Special diameters are available : for example 78.003mm
• Tolerance Direction:
• Go – Unilateral (one way) minus tolerance.
• NoGo – Unilateral (one way) plus tolerance.
• Master – Bilateral (split) tolerance.