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Hillman · Fasteners

Grade 8 Hex Head Cap Screws 5/8 × 5 in (25-Pack)

25 per packHeat-treated yellow dichromate

$109.99 /pack

$4.40 per piece · 25 per pack

Orders start at $399. Combine any items to reach it.

pieces

Sold by the pack of 25. We round up and set the quantity for you.

Packs
1 pack · 25 pieces
$109.99
Standard delivery
$49.99 per order
Sales tax
Added at checkout

All orders are subject to approval.

You're not charged until your order is approved and ready to ship. Cancel free before then.

Standard delivery$49.99

Per order, added in your cart. We deliver to the 48 contiguous states.

Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns

Hillman · Fasteners

Details & specifications.

From the maker · Hillman’s description

Heavy-duty hex head cap screws made from heat-treated Grade 8 steel for high-strength fastening. Coarse-thread, partially threaded shank with washer face under the head for secure clamping in structural and automotive applications.

Industrial Strength with a Polished Edge

These Grade 8 hex cap screws bring a confident, architectural presence to utilitarian details. The bold hex head and warm yellow dichromate finish add a refined, engineered accent to exposed joints. Style them in open-shelf brackets or custom metal legs for a precise, gallery-worthy look. It’s the quiet luxury of hardware that performs as beautifully as it appears.

Upgrade your build with Grade 8 strength—add this 25-pack to your cart and fasten with confidence.

SKU
220349
UPC
008236082616
Length
5 inch
Per pack
25 per pack
Finish
Heat-treated yellow dichromate
Head
Hex head with washer face
Material
Steel
Diameter
5/8 inch
Brand
Hillman
Grade
Grade 8
Thread Type
Coarse
Thread Coverage
Partially threaded shank
Number in Package
25 pack
Packaging Type
Boxed
Unit of Measurement
Imperial
Tightening Method
Wrench or drill/driver
Full product name
Hillman 5/8 in. Diameter x 5 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread (25-Pack)

Key features

  • Grade 8 Strength: Heat-treated steel provides high tensile strength for demanding loads
  • Coarse Thread: Partially threaded shank offers strong hold and easier starts in tapped holes
  • Washer Face Head: Built-in bearing surface under head improves seal and load distribution
  • Durable Finish: Yellow dichromate treatment enhances wear and corrosion resistance
  • Bulk Pack: 25 screws per box for efficient project and jobsite use

Specifications are provided by the manufacturer. Brand names are trademarks of their owners.

Guide

Choosing the fastener

  1. 1

    Outdoors and treated lumber

    Use hot-dip galvanized, stainless or exterior-coated fasteners, and follow the board maker’s fastener recommendation.

  2. 2

    Price per piece

    The pack price divided by the pieces in the pack, both as listed.

  3. 3

    Drive

    Star (Torx), square, Phillips or hex, as the listing states. Match the bit you carry.

Before you ask

Questions about this product.

Rather talk it through? 1.877.490.7099

  • Use a wrench or socket sized for a 5/8 in. hex cap screw head per standard Grade 8 hex bolt dimensions.