
Original: $1,011.65
-65%$1,011.65
$354.08The Story
2,525 Grade 8 fine-thread fasteners and a 40-hole metal bin — everything you need to stock 1/4" through 1/2" UNF hardware from day one. This Starter Kit covers five UNF sizes so your shop has the right bolt, nut, and washer on hand every time a fine-thread job comes in.
What's Included
- Grade 8 hex head cap screws — 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, and 1/2"-20, multiple lengths per size
- Grade 8 hex nuts — one size matching every bolt in the kit
- USS flat washers and high-alloy lock washers — one set per diameter
- 2,525 pieces total
- 40-hole metal bin — pre-sorted and ready to mount or set on a shelf
Specifications
| Thread standard | UNF — Unified National Fine |
| Grade | SAE J429 Grade 8 |
| Tensile strength | 150,000 PSI minimum |
| Finish | Yellow zinc |
| Diameters | 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20 |
| Total pieces | 2,525 |
| Approx. weight | ~55 lbs |
| Bin holes | 40 |
| Storage included | Yes — 40-hole metal bin |
Best For
- New shop setups — if you're building a Grade 8 fine-thread fastener system from scratch, this kit gets you organized and QR-coded labeled in one order
- Fleet and vehicle maintenance — automotive and equipment manufacturers commonly use UNF threads for precision joints; this kit covers the five most common sizes from 1/4" to 1/2"
- Procurement and MRO teams — stock a new workstation or parts room with a Grade 8 UNF assortment
- High-strength applications — 150,000 PSI tensile minimum makes Grade 8 the right choice for heavy equipment, structural connections, and critical mechanical assemblies
Already have a 40-hole bin? The 2,525-Piece Grade 8 UNF Refill restocks the same fasteners without paying for storage you already own.
Starter Kit vs. Refill — Which Do I Need?
| This Starter Kit | Refill | |
| Fasteners (2,525 pcs) | ✓ | ✓ |
| 40-hole metal bin | ✓ Included | — Already own one |
| Pre-printed labels | ✓ Included | — Already have them |
If this is your first purchase or you need an additional bin for a second workstation, the Starter Kit is the right choice. If you're restocking an existing 40-hole bin, the Refill saves you money.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — 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 — contact us

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
2,525 Grade 8 fine-thread fasteners and a 40-hole metal bin — everything you need to stock 1/4" through 1/2" UNF hardware from day one. This Starter Kit covers five UNF sizes so your shop has the right bolt, nut, and washer on hand every time a fine-thread job comes in.
What's Included
- Grade 8 hex head cap screws — 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, and 1/2"-20, multiple lengths per size
- Grade 8 hex nuts — one size matching every bolt in the kit
- USS flat washers and high-alloy lock washers — one set per diameter
- 2,525 pieces total
- 40-hole metal bin — pre-sorted and ready to mount or set on a shelf
Specifications
| Thread standard | UNF — Unified National Fine |
| Grade | SAE J429 Grade 8 |
| Tensile strength | 150,000 PSI minimum |
| Finish | Yellow zinc |
| Diameters | 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20 |
| Total pieces | 2,525 |
| Approx. weight | ~55 lbs |
| Bin holes | 40 |
| Storage included | Yes — 40-hole metal bin |
Best For
- New shop setups — if you're building a Grade 8 fine-thread fastener system from scratch, this kit gets you organized and QR-coded labeled in one order
- Fleet and vehicle maintenance — automotive and equipment manufacturers commonly use UNF threads for precision joints; this kit covers the five most common sizes from 1/4" to 1/2"
- Procurement and MRO teams — stock a new workstation or parts room with a Grade 8 UNF assortment
- High-strength applications — 150,000 PSI tensile minimum makes Grade 8 the right choice for heavy equipment, structural connections, and critical mechanical assemblies
Already have a 40-hole bin? The 2,525-Piece Grade 8 UNF Refill restocks the same fasteners without paying for storage you already own.
Starter Kit vs. Refill — Which Do I Need?
| This Starter Kit | Refill | |
| Fasteners (2,525 pcs) | ✓ | ✓ |
| 40-hole metal bin | ✓ Included | — Already own one |
| Pre-printed labels | ✓ Included | — Already have them |
If this is your first purchase or you need an additional bin for a second workstation, the Starter Kit is the right choice. If you're restocking an existing 40-hole bin, the Refill saves you money.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — 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 — contact us























