US (Inch) Screw Sizes with Decimal and Metric equivalents
SAE to Metric Conversions for Hex Keys | Imperial vs MM Allen Wrenches
5/16 x 3/8 Shoulder Bolt in 18-8 SS
3 Easy Ways to Measure a Bolt - wikiHow
1/4, 3/8, 1/2 Spline Socket for SAE and Metric
3/8-16 UNC x 1/2" Hexagon Set Screws Full Threaded Stainless Steel A2 (304) - Bolt WorldBolt World
Thread Pitch Charts
7/16 UNF x 3/4" Hexagon Set Screws Full Threaded BLACK Stainless Steel A4 (316) - Bolt WorldBolt World
Imperial to Metric Conversion Chart | Heads & Threads
Inch and Metric Push-On Bolt Retainers and Speed Nuts Assortment - 696 PCS
318pcs Heavy Duty Bolts and Nuts Kit, Flat Hex Head Cap Screws Bolts and Nuts and Flat & Spring Washers Assortment Kit, 1/4-20 5/16-18 3/8-16 Metric Nuts and Bolts Washers Set :
BSW Socket Cap Screws Hex Head 12.9 Allen Bolts 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" | eBay