The Story
The same 3,110-piece Grade 8 coarse-thread assortment as the Starter Kit ā without the bin. If you already own a 72-hole bin, this refill restocks 1/4" through 3/4" UNC hex head cap screws, hex nuts, and washers without paying for storage you already have.
What's Included
- Grade 8 hex head cap screws ā 1/4"-20 through 3/4"-10 UNC, multiple lengths per diameter
- Grade 8 hex nuts ā matching every bolt size in the kit
- USS flat washers and high-alloy lock washers ā one set per diameter
- 3,110 pieces total
- Storage is not included ā designed for customers who already own the storage
Specifications
| Thread standard | UNC ā Unified National Coarse |
| Grade | SAE J429 Grade 8 |
| Tensile strength | 150,000 PSI minimum |
| Finish | Yellow zinc |
| Diameters | 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, 3/4"-10 |
| Washer standard | USS |
| Total pieces | 3,110 |
| Approx. weight | ~82 lbs |
| Storage included | No ā for customers who already own the storage |
| Compatible storage | 2 40-hole metal bins (or similar) (included with the 3,110-Piece Grade 8 UNC Starter Kit) |
Best For
- Existing industrial storage owners ā if you already have the storage, this refill restocks the original Start Kit completely without the added cost of new storage
- High-volume shops ā fleet facilities, construction crews, and heavy equipment maintenance teams that cycle through Grade 8 coarse-thread fasteners regularly
- General-purpose industrial fastening ā Grade 8 hex head cap screws paired with hex nuts and USS washers cover the broadest range of structural and mechanical assembly tasks
- Multi-station operations ā shops that already have bins set up across multiple workstations and simply need to replenish fasteners
Don't have the storage yet? The 3,110-Piece Grade 8 UNC Starter Kit includes both the fasteners and the bins ā everything you need to get organized from scratch.
Starter Kit vs. Refill ā Which Do I Need?
| Starter Kit | This Refill | |
| Fasteners (3,110 pcs) | ā | ā |
| USS flat and lock washers | ā | ā |
| Industrial storage | ā Included | ā Already own |
| QR-coded labels | ā Included | ā Included |
If this is the first time you're organizing your fasteners, the Starter Kit is the right choice. If you're restocking existing storage, this refill gives you the full fastener load without paying for storage twice.
Shipping & Ordering
- Ships within 1ā2 business days from our warehouse
- Free shipping on orders $50 and over
- Volume pricing available ā save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with a quarterly restock cadence and custom pricing ā contact us
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The same 3,110-piece Grade 8 coarse-thread assortment as the Starter Kit ā without the bin. If you already own a 72-hole bin, this refill restocks 1/4" through 3/4" UNC hex head cap screws, hex nuts, and washers without paying for storage you already have.
What's Included
- Grade 8 hex head cap screws ā 1/4"-20 through 3/4"-10 UNC, multiple lengths per diameter
- Grade 8 hex nuts ā matching every bolt size in the kit
- USS flat washers and high-alloy lock washers ā one set per diameter
- 3,110 pieces total
- Storage is not included ā designed for customers who already own the storage
Specifications
| Thread standard | UNC ā Unified National Coarse |
| Grade | SAE J429 Grade 8 |
| Tensile strength | 150,000 PSI minimum |
| Finish | Yellow zinc |
| Diameters | 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, 3/4"-10 |
| Washer standard | USS |
| Total pieces | 3,110 |
| Approx. weight | ~82 lbs |
| Storage included | No ā for customers who already own the storage |
| Compatible storage | 2 40-hole metal bins (or similar) (included with the 3,110-Piece Grade 8 UNC Starter Kit) |
Best For
- Existing industrial storage owners ā if you already have the storage, this refill restocks the original Start Kit completely without the added cost of new storage
- High-volume shops ā fleet facilities, construction crews, and heavy equipment maintenance teams that cycle through Grade 8 coarse-thread fasteners regularly
- General-purpose industrial fastening ā Grade 8 hex head cap screws paired with hex nuts and USS washers cover the broadest range of structural and mechanical assembly tasks
- Multi-station operations ā shops that already have bins set up across multiple workstations and simply need to replenish fasteners
Don't have the storage yet? The 3,110-Piece Grade 8 UNC Starter Kit includes both the fasteners and the bins ā everything you need to get organized from scratch.
Starter Kit vs. Refill ā Which Do I Need?
| Starter Kit | This Refill | |
| Fasteners (3,110 pcs) | ā | ā |
| USS flat and lock washers | ā | ā |
| Industrial storage | ā Included | ā Already own |
| QR-coded labels | ā Included | ā Included |
If this is the first time you're organizing your fasteners, the Starter Kit is the right choice. If you're restocking existing storage, this refill gives you the full fastener load without paying for storage twice.
Shipping & Ordering
- Ships within 1ā2 business days from our warehouse
- Free shipping on orders $50 and over
- Volume pricing available ā save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with a quarterly restock cadence and custom pricing ā contact us
