1320Pcs Nuts and Bolts Assortment Kit, 16 Sizes Includes 1/4-20 5/16-18 3/8-16 1/2-13, SAE Grade 8 Alloy Steel Hex Cap Screws Nuts Washers with Wrenches Assortment Kit THLSTZ1320pcs

Quality Materials: 1320-piece SAE Grade 8 hex bolts, nuts and washers are made of high-quality alloy steel and are rugged enough to withstand harsh conditions.
Set Contains:1/4-20, 5/16-18, 3/8-16 1/2-13. Size from 1/4-20 x3/4" to 1-1/2", 5/16-18 x 3/4" to 1-1/2", 3/8-16 x 3/4" to 1-1/2", 1/2-13*1-1/2"to 2-1/2". Package includes 330pcs SAE hex bolts, 330pcs hex nut, 330pcs washers, 330pcs washers lock. Total is 1320pcs.
Rugged Packaging:heavy-duty locking steel 28-hole tray holds all nuts and bolts to prevent damage and comes with all size labels (dimensions: 14.8 inches long x 2 inches high x 11.1 inches wide)
Variety of Applications: Bolt and nut sets are widely used in machinery, furniture, automotive and motorcycle repair, and DIY design.
Mounting Tool:We will supply 1 additional Y-wrench and 4 different sizes of drill bits. They fit all sizes in the kit.