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DMI

DMI is a trusted name in fastening solutions, delivering performance-driven metal screw fasteners built to endure. Known for strength, consistency, and corrosion resistance, DMI offers a wide range of screw fasteners for metal used across structural, mechanical, and industrial applications. Their metallic fasteners ensure a tight, lasting hold even in high-vibration environments, making them a reliable choice for professionals in steel framing, HVAC, and heavy machinery assembly.

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  • 50% off on DMI #3 EPDM Pipe Flashing Boot for 1/4"-5" Pipes
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    DMI #3 EPDM Pipe Flashing Boot for 1/4"-5" Pipes

    DMI
    $342.40
    $342.40 - $342.40
    $342.40
    $171.20
    $171.20 - $171.20
    $171.20
    10+ in stock

    Secure your roof penetrations with the DMI #3 EPDM Pipe Flashing Boot, designed to fit pipes from 1/4 inch to 5 inches with flexible, cut-to-fit lines for perfect installation. Made from premium EPDM rubber, it offers long-lasting UV, ozone, and weather resistance—ideal for metal roofs, plumbing vents, and HVAC exhaust pipes. Right now, enjoy a flat 50% offer, making this high-quality roof flashing boot more affordable than ever.

  • 50% off DMI 1" x 45 ft High-Temp Butyl Rubber Sealant Tape
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    DMI 1" x 45 ft High-Temp Butyl Rubber Sealant Tape

    DMI
    $116.57
    $116.57 - $116.57
    $116.57
    $58.29
    $58.29 - $58.29
    $58.29
    10+ in stock

    Seal with confidence using the DMI 1" x 45 ft High-Temp Butyl Rubber Sealant Tape—now available at a massive 50% discount. Designed for metal joints, roofing edges, HVAC components, and construction applications, this flexible and weatherproof butyl tape provides exceptional adhesion even under high temperatures. Its pliable rubber material ensures easy application, long-lasting performance, and superior resistance to water, UV rays, and temperature variations, making it a reliable choice for...
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    DMI DEKFAST™ #12 X 5-3/4 Pancake Head Tek Screws, Square Drive, #3 Point

    DMI
    $578.00
    $578.00 - $578.00
    $578.00
    $289.00
    $289.00 - $289.00
    $289.00
    10+ in stock

    Secure your metal panels and structural assemblies with DMI DEKFAST™ #12 x 5-3/4 Pancake Head Tek Screws, now available at an incredible 50% off. Designed with a low-profile pancake head, reliable square drive, and precision #3 self-drilling points, these long fasteners deliver strong, consistent performance for metal-to-metal applications. Built for construction pros, they offer superior holding power, corrosion resistance, and smooth installation without pre-drilling making them ideal for r...
  • DMI DEKFAST™ #14 x 4" 410 Stainless Roofing Screws DMI2G8530B #3 Drill Point | 50% OFF
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    DMI DEKFAST™ #14 X 4" Roofing Screws, 410 Stainless, Phillips Drive, #3 Drill Point

    DMI
    $786.00
    $786.00 - $786.00
    $786.00
    $393.00
    $393.00 - $393.00
    $393.00
    10+ in stock

    Secure your roofing projects with the strength of DMI DEKFAST™ #14 x 4" 410 Stainless Roofing Screws, now available at a flat 50% OFF. Engineered with a durable 410 stainless steel body, a reliable Phillips drive, and a #3 drill points for smooth penetration, these screws are ideal for insulation attachment, metal roof decks, and high-corrosion environments. Perfect for professional installers who demand performance, consistency, and superior outdoor protection.

  • Dewalt UltraCon®+ 3/16" x 2-1/4" Concrete Screw Anchors, Phillips Flat Head, #2 Drive Size, Blue 100pcs
    Ships within 1 week
    Ships within 1 week

    DMI #14 x 8" Square Pancake Head Zinc Self Drilling Screws

    DMI
    $670.00
    $670.00 - $670.00
    $670.00
    $335.00
    $335.00 - $335.00
    $335.00
    Ships within 1 week

    Upgrade your fastening performance with DMI #14 x 8" Square Pancake Head Zinc Self Drilling Screws—now available at an incredible 50% OFF. These heavy-duty metal-to-metal self-drillers deliver reliable penetration without pre-drilling, ensuring faster installations and secure fastening. The low-profile pancake head allows tight clearance applications, while the zinc plating offers excellent corrosion resistance for long-term durability in construction, fabrication, sheet metal work, and indus...

Tighten with Confidence: DMI Fastener Benefits


  • Precision-Crafted for Metal Applications

    • DMI’s metal screw fasteners are engineered with sharp threads and durable tips, ideal for penetrating steel, aluminum, and alloys without pre-drilling.


  • Corrosion-Resistant Finishes

    • Available in zinc, stainless, and coated options, DMI metallic fasteners resist rust and wear in outdoor and high-moisture environments.


  • High Holding Strength

    • Thread profiles are designed to deliver maximum grip and resistance to loosening in metal-on-metal installations.


  • Versatile Usage Across Industries

    • Whether in construction, sheet metal, or equipment assembly, DMI screw fasteners for metal meet job-specific needs with consistent reliability.


  • Fast, Clean Installations

    • Self-tapping and self-drilling designs speed up installations while reducing tool wear and material fatigue.


Frequently Asked Questions About DMI

Are DMI screw fasteners suitable for thick-gauge steel?

Yes, they’re designed to perform in both light and heavy-gauge metal applications.


Do DMI fasteners require pre-drilling?

Most are self-drilling or self-tapping, minimizing the need for pilot holes.


What sizes are available in DMI metal fasteners?

We offer a range of diameters and lengths to fit diverse structural and fabrication needs.


Are these fasteners corrosion-resistant?

Yes, DMI fasteners are available in multiple corrosion-resistant finishes.


Can I use DMI fasteners in HVAC ductwork?

Absolutely—they’re commonly used in HVAC and sheet metal applications.

Clearance Center

  • Werner Self Trailing Rope Grab with 50% OFF Stainless Steel
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    Werner Self Trailing Rope Grab with Shock Pack, Stainless Steel

    Werner Fall Protection
    $162.00
    $162.00 - $162.00
    $162.00
    $81.00
    $81.00 - $81.00
    $81.00
    Only 1 left!

    The Werner Self-Trailing Rope Grab delivers reliable, hands-free fall protection for professionals working at height. Designed for 5/8-inch (16 mm) synthetic rope lifelines, this stainless steel rope grab automatically follows the user’s movement up and down the lifeline, providing smooth mobility and instant locking in the event of a fall. Built from premium stainless steel, the L240002 offers superior corrosion resistance and long-term durability in tough jobsite conditions. The integrated ...
  • Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard, durable fall protection harness with integrated energy absorber, now available at 50% off.
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    Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard

    Werner Fall Protection
    $415.20
    $415.20 - $415.20
    $415.20
    $207.60
    $207.60 - $207.60
    $207.60
    Only 7 left!

    The Werner Twin Leg Lanyard comes with a 50% offer and is designed to deliver premium fall protection, flexibility, and durability for workers in construction, maintenance, and industrial environments. Featuring tie-back capability, it allows the user to anchor directly to the structure, eliminating the need for a separate anchorage connector. With twin-leg construction, this lanyard offers 100% tie-off — ensuring continuous protection when moving between anchor points. The integrated DeCoil ...
  • Werner LITEFIT™ Small Construction Harness with tongue buckle legs — 50% off.
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    Werner LITEFIT™ Construction Harness Tongue Buckle Legs Small

    Werner Fall Protection
    $1,491.80
    $1,491.80 - $1,491.80
    $1,491.80
    $745.90
    $745.90 - $745.90
    $745.90
    10+ in stock

    The Werner LITEFIT™ Construction Harness in half of the price delivers all-day comfort, superior fit, and dependable safety for construction professionals working at height. Designed with Werner’s trusted engineering, this full-body fall arrest harness provides the perfect balance between lightweight comfort and heavy-duty durability. The tongue buckle leg straps allow for easy adjustment and a secure fit, while the built-in back D-ring ensures reliable fall arrest connection. Featuring durab...
  • Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable at 50% off

    Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable

    Werner Fall Protection
    $440.80 - $440.80
    $440.80
    $499.00
    $499.00 - $499.00
    $499.00
    Only 1 left!

    The Werner 50 ft Self-Retracting Lifeline (SRL) with galvanized steel cable provides reliable fall protection with superior reach and mobility and get 50% offer. Engineered for overhead use, this Class 1 SRL is designed to arrest falls quickly while minimizing impact forces on the user. Built with Werner’s advanced internal braking system, the Max Patrol™ SRL offers smooth deceleration and quick activation, enhancing safety in elevated work environments. The durable galvanized steel cable res...
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    Safewaze 11 ft Cable Class A Self-Retracting Lifeline with Snap Hook

    Safewaze
    $149.00
    $149.00 - $149.00
    $149.00
    $74.50
    $74.50 - $74.50
    $74.50
    Only 1 left!

    The Safewaze 11 ft Cable Class provides dependable, compact fall protection for workers at height. Designed for safety, portability, and performance, this Class A SRL features a durable galvanized steel cable and double-locking swivel snap hook to ensure secure attachment in all conditions. Engineered for construction, maintenance, and industrial applications, this self-retracting lifeline offers smooth lifeline retraction, rapid fall arrest, and minimal impact force in the event of a fall. I...
  • Radians Tecona® Smoke Anti-Fog Safety Glasses
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    Radians Tecona® Smoke Anti-Fog Safety Glasses

    Radians
    $201.24
    $201.24 - $201.24
    $201.24
    $100.62
    $100.62 - $100.62
    $100.62
    10+ in stock

    The Radians Tecona offers dependable eye protection with a lightweight and stylish wraparound design. Engineered for comfort and durability, these glasses feature a scratch-resistant smoke lens that reduces glare and eye strain in bright outdoor conditions — perfect for construction, landscaping, or industrial work. The anti-fog coating ensures clear vision even in humid or high-heat environments, while the vented rubber nosepiece and rubber-tipped temples provide a secure, non-slip fit throu...