![Amazon.com: Ruelle Screw Chek'r SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA : Industrial & Scientific Amazon.com: Ruelle Screw Chek'r SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA : Industrial & Scientific](https://m.media-amazon.com/images/I/81QEnr1QotL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Ruelle Screw Chek'r SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA : Industrial & Scientific
![Chart comparing standard screw / nut / hole sizes | Nut and bolt storage, Screws and bolts, Metal working tools Chart comparing standard screw / nut / hole sizes | Nut and bolt storage, Screws and bolts, Metal working tools](https://i.pinimg.com/originals/0b/94/8c/0b948c73c328862b17a100ff3d357c33.jpg)
Chart comparing standard screw / nut / hole sizes | Nut and bolt storage, Screws and bolts, Metal working tools
![Screw Thread Gauge | Metric and SAE | Recommends Drill Bit & Tap Size (BCP675): Amazon.com: Industrial & Scientific Screw Thread Gauge | Metric and SAE | Recommends Drill Bit & Tap Size (BCP675): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81byN+x8tnL.jpg)
Screw Thread Gauge | Metric and SAE | Recommends Drill Bit & Tap Size (BCP675): Amazon.com: Industrial & Scientific
![Hex Bolt Dimensions & Hex Cap Screw Dimensions Have you ever wondered “how thick is the head of the bolt that I just bo… | Metric bolt sizes, Hex bolt, Wrench sizes Hex Bolt Dimensions & Hex Cap Screw Dimensions Have you ever wondered “how thick is the head of the bolt that I just bo… | Metric bolt sizes, Hex bolt, Wrench sizes](https://i.pinimg.com/originals/aa/a8/08/aaa808aa6abe176bca148d8ed244be52.jpg)