Close-up of an 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw with black zinc plating

Vendor:FMW Fasteners

8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated

$665.29

The 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated offers a specific fastener solution for projects requiring precise size and thread compatibility. Its black zinc plating provides an esthetic appeal and serves as a base for various organic coatings, maintaining the connection's appearance and corrosion resistance.

  • Fastener type: Machine screw with Phillips flat head and undercut design
  • Thread size: 8-32
  • Length: 3/8 inch
  • Black zinc plated for protective finish and coating base
  • Supplied by FMW Fasteners, known for hardware compatibility
  • Sold individually unless specified otherwise

A specific fastener for precise builds

Details and Exact Fit Matter

Screw type and coating

Phillips Flat 82 Undercut Machine Screw, Black Zinc Plated

Brand or supplier
FMW Fasteners
Product type
Home and maker product

What arrives

One 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated in the selected option unless the product page clearly lists a set or kit. Props and styling accessories shown in photos are not included.

Thread and length precision

8-32 Thread, 3/8 Inch Length

Confirm the exact size, thread, washer/bolt/nut type, and material before using 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated. Install with the correct tool and torque guidance for the assembly.

Essential for assembly accuracy

Compatible only with matching thread sizes, holes, washers, nuts, bolts, and materials. Do not substitute fasteners where strength, safety, or corrosion resistance is critical without checking the spec.

Always follow the manufacturer's care, use, and safety guidance.

Purchase and handling

Shipping and Returns

Shipping details

Shipping rates and estimated delivery times are shown at checkout.

Returns policy

Return requests are accepted within 30 days of delivery. Contact Resin Society first for damaged, defective, incorrect, or missing items and we will coordinate directly with FMW Fasteners.
Close-up of an 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw with black zinc plating

Small, certain, essential

A quiet black head settles flush, the work disappears and the line stays clean.

Held together

The calm of a flat head

Undercut with intent

Edges should meet without protest. The 8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw in black zinc sits low and sure, letting panels kiss without a rise or ripple. Its undercut flat head helps keep short-length assemblies secure where depth is at a premium. What remains visible is a discreet black cross, steady as punctuation.

When hardware goes quiet

In furniture, fixtures, and housings, a proud screw head interrupts the surface and the story. A flush 82-degree head leaves the plane unbroken, so the eye stays on grain, paint, or panel. The black zinc finish reads as a soft shadow, merging with dark hardware and trim. Form follows function, then steps aside.

For the build you sign your name to

Designers, fabricators, and shop teams who care how the last fastener looks as much as how the whole piece fits.

Put it to work

Fasten thin plates or countersunk hardware where a short, flush 8-32 connection is needed and a dark, low-profile head suits the surface.
  • Shop builds
  • Woodworking hardware
  • Fabrication
  • Repairs
  • Corrosion-conscious assemblies
FMW Fasteners brand cover

Supplier insight

FMW Fasteners support makers needing reliable hardware

FMW Fasteners supplies machine screws, fasteners, and hardware details where sizing and compatibility matter. The brand specializes in practical, fit-first components chosen for how they look, work, and live in a space or studio. Each item is presented with the dimensions, materials, variants, care, and delivery details that builders, shops, and project customers rely on to finish work precisely and confidently. Buyers who value dependable compatibility and clear specifications will find these details make installation and maintenance straightforward — especially for builders, shops, and project customers working with tools and materials. They remove guesswork from small-but-essential choices.
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Your order gives back

When you buy from Resin Society, you help plant trees through our reforestation partnership. It is a small way your order supports the materials, homes, and landscapes makers care about.

Machine Screw Specific Questions

8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw FAQs

What size is it exactly?
Thread size is 8-32, length is 3/8 inch, with a Phillips flat 82-degree undercut head finished in black zinc.
How does the undercut head help?
The undercut creates extra thread length under the head, useful in short screws so you still get more engagement in thin materials.
Will the head sit flush in a countersink?
Yes, it’s an 82-degree flat head designed to seat flush in a matching 82-degree countersink.
What drive type fits the recess?
A standard Phillips driver fits the cross recess on the head.
What finish is on the screw?
It has a black zinc conversion coating that gives a dark, uniform appearance and a base for organic coatings.