Hillman 7/16 in. Diameter x 4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack

Regular price $40.99

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7/16 in. x 4 in. Grade 5 Hex Head Cap Screws (25-Pack)

These Hillman hex head cap screws are Grade 5 steel with a heat-treated zinc finish for strength and wear resistance. Partially threaded with a washer face under the head, they’re ideal for securing machinery and structural components where a durable hex bolt is needed.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding applications
  • Corrosion-Resistant Finish: Zinc coating helps protect against rust and wear
  • Washer Face Head: Improved seating and seal under the hex head
  • Partially Threaded Shank: Added shear strength where it matters
  • Coarse Thread Compatibility: Works with matching coarse-thread nuts and tapped holes

Specifications Table:

Specification Details
Brand Hillman
Diameter 7/16 inch
Length 4 inch
Material Steel
Finish Heat-treated zinc
Grade Grade 5 (USS)
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Count 25 pack
Packaging Type Boxed
Intended Use Use with a nut or in a tapped hole; tighten with a wrench or drill

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No, they are partially threaded along the shank (Grade 5 USS style).


Q: What material and finish are used?
A: Steel construction with a heat-treated zinc finish for added durability and corrosion resistance.


Q: What thread type do these bolts use?
A: Coarse thread.


Q: How are they installed?
A: Tighten using a wrench or compatible driver on the hex head; pair with a matching coarse-thread nut or tapped hole.


Q: How many bolts come in the package?
A: 25 bolts per pack.


Industrial Strength with a Clean, Zinc Sheen

This hex head cap screw brings a refined industrial note to functional detailing—its zinc finish catches the light with a crisp, purposeful shine. The partially threaded shank delivers a tailored profile, while the washer-faced head sits neatly for a polished look. Use it to anchor exposed hardware on workshop shelving or loft-style fixtures for an authentic, engineered aesthetic. It’s a small component that elevates the whole composition—strength with style, effortlessly.


Secure your next build with Grade 5 strength—add this 25-pack to your cart and bolt it down right.

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