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Home Fasteners Nuts, Bolts, Screws Nuts/Bolts/Washers Cap Screws 220247 1/2IN X 3-1/2IN HEX CAP SCREWS GRADE 8

220247 1/2IN X 3-1/2IN HEX CAP SCREWS GRADE 8

PART 104444
SUPPLIER HILLMAN FASTENERS
SUPPLIER PART # 220247
RANK D
SHELF PACK 1
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About this item

Hillman 220247 – 1/2″ x 3-1/2″ Grade 8 Hex Cap Screws (50-Pack)

Product Overview

The Hillman 220247 Grade 8 Hex Cap Screws are engineered for superior strength and durability in heavy-duty fastening applications. Made from heat-treated steel and finished with a yellow zinc dichromate coating, these screws provide excellent corrosion resistance and long-lasting performance. Each screw features a hexagonal head with a washer face for optimal clamping force and secure installation.

Key Features

  • Grade 8 Heat-Treated Steel – Delivers exceptional tensile strength for demanding applications.
  • Size: 1/2″-13 x 3-1/2″ – Coarse-threaded for reliable engagement.
  • Yellow Zinc Dichromate Finish – Protects against corrosion and wear.
  • Hex Head with Washer Face – Ensures even load distribution and improved sealing.
  • USS Coarse Thread – Compatible with standard nuts and tapped holes for easy installation.

Specifications

  • Thread Diameter / Pitch: 1/2″-13 UNC (Coarse)
  • Length: 3-1/2″
  • Material: Heat-treated steel, Grade 8
  • Finish: Yellow zinc dichromate
  • Thread Type: Coarse (USS)
  • Head Style: Hex cap with integrated washer face
  • Packaging: 50 screws per box

Applications

  • Heavy-Duty Assembly: Ideal for structural components in machinery and steel frameworks.
  • Automotive & Transportation: Perfect for suspension parts, chassis brackets, and critical joints.
  • Construction & Infrastructure: Provides stability for beams, roofing, and outdoor installations.
  • Industrial Equipment: Reliable fastening for presses, conveyors, and vibration-prone machinery.
  • Outdoor & Marine Projects: Corrosion-resistant finish makes it suitable for exposed environments.

 

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Finish Heat Treated Yellow Dichromate
Brand Hillman Fasteners
Length 3-1/2 Inch
Country Of Origin Taiwan
Grade Grade 8
Head Type Hex
Material Steel
Overall Length 3-1/2 in
Pieces Per Pack 25
Thread Size 1/2-13
Thread Type USS Coarse
UPC Code 000823608218
Shelf Pack 1
Minimum Order Qty 1