This range is quite expensive averaging 0.15 cents each - nuts, bolts and lock washers. Probably not recommended due to the very high unit price.
Thread Measure Checker Standard Metric
4 Review
Inch and Metric Fastener Thread Checker: Bolt Your Worries Away!
9 Review
Metallic OOK 533800
6 Review
Bolts Nuts Washer Assortment Kit
Highly π Sought-After Fastener: Connector 014973445713
π© M6 1.0 Stainless Steel Flanged Hexagon Flange
8 Review
POWERTEC 4 Inch 20 2 Inch QTB1005 T Slot: A Revolutionary, High-Quality Power Tool Accessory!
π Carriage Prime Line Products GD52103