21 Metric & 23 Inch Sizes Identifier Gauge Box Nut and Bolt Thread Checker

Specification：

100% quality assurance tested, more responsive, less expensive, easier to install.

Machined to high accuracy to ensure each bolt and thread conforms to standard gauge.

Wide ranging size, a one-stop-shop for all standard hardware verification.

Portable, easy to carry to different workplaces and check the sizes quickly.

Keep all nuts and bolts well organized, simplify your work through proper inventory.

With cutouts on the foam, the checkers can be kept in place firmly for easy access.  

Product Description：

21 Metric Thread Sizes: 

M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0 and M24x3.0.

23 Inch Thread Sizes: 

6-32, 6-40, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 1-8 and 1-12.

Package Including：

21 x Metric Sizes Nut;

23 x  Inch Sizes Nut;

1 x Carry Box. 

Notes:

Please check that the picture matches before purchase. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.

For any inquiries or special requests such as larger amount ordering please write to us.