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2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit
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2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit

2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit

$354.08

Original: $1,011.65

-65%
2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit

$1,011.65

$354.08

The 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
2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit - Image 2

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
2,525 Piece Grade 8 UNF Hex Head Cap Screw Assortment Starter Kit | NutsandBolts