Minerallac #8 Sheet Metal Scre...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$89.34
$52.26
Minerallac #8 Sheet Metal Screws Kit Hex Washer Head Slotted Zinc Plated Multi-Length Assortment

Minerallac #8 Sheet Metal Screws Kit Hex Washer Head Slotted Zinc Plated Multi-Length Assortment

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Model: 39561

In Stock (leaves warehouse same day if ordered before 3pm ET)

$89.34
$52.26
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Minerallac #8 Sheet Metal Screws Kit Hex Washer Head Slotted Zinc Plated Multi-Length Assortment

Professional Multi-Length Sheet Metal Fastener Kit

The Minerallac #8 Sheet Metal Screws Kit provides a comprehensive assortment of hex washer head screws with slotted drive and zinc plated finish for reliable sheet metal fastening applications. This professional kit includes 285 total pieces across six different lengths, featuring steel construction with Type-A threading for secure attachment and corrosion resistance in various installation environments.

Professional Features & Benefits

  • Multi-Length Assortment: Six different lengths from 1/2" to 2" provide versatility for various sheet metal thickness requirements and installation scenarios.
  • Hex Washer Head Design: 0.25" head width with integrated washer distributes load evenly and prevents pull-through while providing secure fastening.
  • Zinc Plated Finish: Corrosion-resistant coating extends service life and maintains appearance in indoor and outdoor applications.
  • Steel Construction: Durable steel material with Type-A threading ensures reliable holding power and long-term performance.
  • Slotted Drive: Standard slotted drive accepts common screwdrivers for easy installation and removal when needed.
  • Professional Quantity Kit: 285 total pieces with higher quantities of shorter lengths for typical sheet metal fastening requirements.

Technical Specifications

  • Country Of Origin: China
  • Drive Type: Slotted
  • Driver Size: 4-Jan
  • Head Color: Silver
  • Head Height: 0.272
  • Head Type: Hex Washer Head
  • Head Width: 0.25
  • Product Finish: Zinc Plated
  • Product Length: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2 in
  • Product Material: Steel
  • Product Size: #8
  • Product Type: Sheet Metal Screw
  • Thread Size: 15
  • Thread Type: Type-A

Professional Applications

  • HVAC ductwork and equipment mounting
  • Electrical enclosure and panel assembly
  • Metal roofing and siding installation
  • Industrial equipment fabrication
  • Commercial building maintenance
  • Automotive and transportation applications
  • General sheet metal fabrication projects

Why Choose Minerallac Quality?

Minerallac delivers reliable fastening solutions with professional-grade steel construction and zinc plated finish for long-lasting performance. This comprehensive kit provides the versatility and quantity needed for efficient sheet metal installation and maintenance projects across various professional applications.

Manufacturer Resources

Product Specs

Drive Type:
Slotted
Driver Size:
4-Jan
Head Color:
Silver
Head Height:
0.272
Head Type:
Hex Washer Head
Head Width:
0.25
Product Finish:
Zinc Plated
Product Length:
1/2", 3/4", 1", 1-1/4", 1-1/2", 2 in
Product Material:
Steel
Wire Size:
#8
Product Type:
Sheet Metal Screw
Thread Size:
15
Thread Type:
Type-A
Department:
Electrical
Product Subgroup:
Self-Tapping Screws
Product Group:
Hangers, Supports & Fasteners

Minerallac 39561 – Frequently Asked Questions

1) What lengths and how many of each come in the Minerallac 39561 #8 sheet metal screw kit?
The kit runs 285 pieces across six lengths: 1/2 inch (100), 3/4 inch (60), 1 inch (40), 1-1/4 inch (35), 1-1/2 inch (25) and 2 inch (25). The count is weighted toward the short lengths, which is what gets used most on duct seams and enclosure work. All of them are #8 diameter, so one driver setup covers the whole box.
2) Are these slotted or hex drive screws? I want to run them with an impact driver.
They are slotted drive with a hex washer head. That means you can either seat a screwdriver in the slot or run the hex head with a nut setter. For gun work, drive the head, not the slot, since a slotted bit cams out under an impact. The head measures 0.25 inch across and 0.272 inch high.
3) Will these self-drill through duct, or do I need to pilot first?
These are Type-A thread sheet metal screws, not self-drilling. Type-A has a sharp gimlet point with coarse threads, so it will pierce and pull into thin gauge stock, but it has no drill flute at the tip. On heavier gauge or structural steel, pilot it first, or step up to a self-drilling (TEK) screw instead.
4) Can I use these zinc plated screws outdoors on metal roofing or siding?
The zinc plating gives corrosion resistance for indoor and outdoor use, and the kit is listed for metal roofing and siding work. Understand the limit: zinc plating is a sacrificial coating, not stainless. In coastal salt air or on a constantly wet detail, a stainless fastener holds up longer. The hex washer head does help outside, since the integrated washer spreads load and resists pull-through on thin panel.
5) Is a #8 sheet metal screw kit the right pick for HVAC duct assembly, or should I be buying one length in bulk?
For service and maintenance work, an assortment makes sense: you hit a job not knowing the stack-up, and the six lengths from 1/2 inch to 2 inch cover thin single-wall seam work up through mounting hardware onto insulated or doubled-up sections. For production duct fabrication where every connection is the same thickness, a single-length bulk box is the cheaper and faster way to go. This 285 piece kit is stocked as a truck or shop assortment, not a production run.
6) What's the difference between a hex washer head screw and a pan head for electrical enclosure work?
The hex washer head has a built-in flange under the hex, so it bears on a wider footprint than a pan head and is less likely to pull through thin enclosure steel or an oversized hole. It also gives you a hex to grab, so you can run it with a nut driver instead of fighting a slot in an awkward panel. Downside: it sits proud. Where you need a flush or low-profile surface, a flat or pan head is the better call. These Minerallac screws have a 0.25 inch head width and 0.272 inch head height.
7) What material are the Minerallac 39561 screws made of, and will they hold in an equipment mounting application?
Steel with a zinc plated finish. The Type-A coarse thread form is what does the holding in sheet stock, it cuts a mating thread in the panel and grips on thread engagement rather than clamp force. For mounting equipment, pick a length that gets at least a few threads past the back of the panel without bottoming on whatever is behind it, which is why the kit runs up to 2 inch.
8) What's the manufacturer part number for this Minerallac sheet metal screw assortment?
Minerallac part number 39561. It is sold as a single kit part number, not broken out by length, so ordering the one number gets you all six sizes in the stated counts.
How fast can I get the Minerallac 39561 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Minerallac 39561 come with a warranty?
Absolutely. The Minerallac 39561 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Minerallac 39561?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Minerallac 39561 from ZenSupply?
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