Buy Reliable PPMS8321MR Machine Screw, #8 Thread, 1 in L, Imperial Machine Thread, Pan Head, Phillips Drive, Type B Point
Metric Thread Dimensions - Bolt Sizes Chart For M1.6 To M69 Screws - Accu
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
Small Parts 0810MPTB Steel Truss Head Machine Screw, Black Oxide Finish, Meets ASME B18.6.3, #2 Phillips, #8-32 Thread Size, 5/8" Length, Fully Threaded, Imported (Pack of 100): Amazon.com: Industrial & Scientific