Skip to content

HOTLINE - 1-888-514-515

Free Shipping On Orders $75+

100% secure payment

HOTLINE - 1-888-514-515 | Free Shipping On Orders $75+ | 100% secure payment

Fasteners

Fasteners

Fastener tools are essential for securing materials in construction, woodworking, metalworking, and DIY projects. From metal screws to wedge anchors, these tools ensure stability, safety, and long-lasting performance. Our selection supports various surfaces like concrete, drywall, and wood, perfect for residential and industrial applications alike.

Filters

$
$

  • ELCO DRILIT‚® 12-24" x 1-14" 5-Point Self Drill Screw with Extended Drill Capacity - 4000 Qty

    Stanley Black and Decker
    $420.00 - $420.00
    $420.00
    $420.00 - $420.00
    $420.00
    In Stock

    Drilit self-drilling fasteners eliminate separate drilling and tapping operations for faster, more economical installations. Features Eliminates separate drilling and tapping operations Fasteners coated with Stalgard and Gray Stalgard finish typically show no red rust or other base metal corrosion on significant surfaces after 1000 hours of 5% neutral salt spray exposure (per ASTM B117) Screws with EPDM Bonded Sealing washers are available in multiple sizes and configurations for applicatio...
  • NEOSDCT.jpg

    Daggerz 12" x 1" Hex Washer Head Self Drill Screws with Bonded Washer - 3000 Qty

    International Fasteners
    $318.80 - $318.80
    $318.80
    $318.80 - $318.80
    $318.80
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Hex Washer Head provides increased driving stability and helps seal the connection Bonded Washer creates leak proof seal 1000 hour Salt Spray Coating for excellent corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1 Inches Fastener Type: Self Drilling Screws Point Type: #3 Self Drilling Head Type: Hex Washer w/bonded washer Material: Carbon Steel Finish: Dagger-Guard Coating™

  • 1d612743-5379-4405-b7df-5906251b9544.jpeg

    ELCO DRIL-FLEX‚® 1/4-20" x 1-1/2" 4-Point Hex Washer Head Self Drill Screw - 100 Qty

    Stanley Black and Decker
    $1,008.72 - $1,008.72
    $1,008.72
    $1,008.72 - $1,008.72
    $1,008.72
    In Stock

    Features High-hardness point and lead threads for drilling and tapping Lower-hardness load bearing area provides increased resistance to Hydrogen-Assisted Stress Corrosion Cracking when compared to case hardened fasteners Stalgard and Stalgard SUB Coatings provide enhanced galvanic compatibility in dissimilar metal applications Fasteners coated with Stalgard SUB finish typically show no red rust or other base metal corrosion on significant surfaces after 2000 hours of 5% neutral salt spray ...

  • Muro M6 X 75 Mm (#14 X 3") Self Tapping Thread Screw, #3 Square Drive, Self Drilling Screw Tip, Epoxy Shield Guard Coating, Gray Coil - 600 Pcs

    Muro
    $215.00 - $215.00
    $215.00
    $215.00 - $215.00
    $215.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Epoxy Shield Guard Coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M6 x 75 mm (#14 x 3") Box Quantity: 600 Drive Type: #3 Square Drive Screw Tip: Self-Drilling Coating: Epoxy Shield Guard Coil Color: Gray Thread Type: Self-Tapping Thread

  • MTSDZ.jpg

    Daggerz 8" x 1/2" Phillips Modified Truss Wafer Self Drill Screws - 10000 Qty

    International Fasteners
    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Modified Truss design offers a low profile head and an extra large bearing surface Fine Threads provide superior holding power Clear zinc offers a shiny appearance and minimal corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1/2 Inches Fastener Type: Self Drilling Screws Point Type: #2 Self Drilling Head Type: Modified Truss Material: Carbon Steel Finish: Zinc

  • DWSDB.jpg

    Daggerz 6" x 1-7/8" Phillips Bugle Head Phosphate Self Drill Screws - 4000 Qty

    International Fasteners
    $110.30 - $110.30
    $110.30
    $110.30 - $110.30
    $110.30
    In Stock

    Features Self Drill Point Eliminates the need for pre-drilling into metal Bugle Head countersinks flush in softer materials Phillips drive offers self centering feature Phosphate provides lubrication by reducing friction and also improves corrosion resistance Specifications Country of Origin: Taiwan Length: 1-7/8 Inches Fastener Type: Self Drilling Screws Point Type: #2 Self Drilling Head Type: Bugle Material: Carbon Steel Finish: Phosphate

  • 55fca3c3-fc01-40af-9b9a-0c474809eba0.jpeg

    DeWalt POWERSTICK 10oz White Adhesive Sealant

    Stanley Black and Decker
    $66.24 - $66.24
    $66.24
    $66.24 - $66.24
    $66.24
    In Stock

    Features Elastic properties — can be used as a sealant for filling cracks and joints No harmful components, solvent free and is VOC compliant (No Isocyanates) Can be shipped without restriction and is environmentally friendly Inert formula will not interact with substrates such as metal trim, silver lining on mirrors or foam insulation board Works on virtually every base material MS formula is not affected by water, moisture or mildew during service UV resistant formula is suitable for outd...
  • 57aa68f8-d454-4190-b66f-c136eded18a0.jpeg

    ELCO DRIL-FLEX‚® 1/4-20" x 1-3/4" 5-Point Hex Washer Head Self Drill Screw - 1000 Qty

    Stanley Black and Decker
    $549.00 - $549.00
    $549.00
    $549.00 - $549.00
    $549.00
    In Stock

    Features High-hardness point and lead threads for drilling and tapping Lower-hardness load bearing area provides increased resistance to Hydrogen-Assisted Stress Corrosion Cracking when compared to case hardened fasteners Stalgard and Stalgard SUB Coatings provide enhanced galvanic compatibility in dissimilar metal applications Fasteners coated with Stalgard SUB finish typically show no red rust or other base metal corrosion on significant surfaces after 2000 hours of 5% neutral salt spray ...

  • Muro M6 X 65 Mm (#14 X 2-1/2") Self Tapping Thread Screw, #3 Square Drive, Self Drilling Screw Tip, Bright Zinc Coating - 1200 Pcs

    Muro
    $304.00 - $304.00
    $304.00
    $304.00 - $304.00
    $304.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Zinc Coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M6 x 65 mm (#14 x 2-1/2") Box Quantity: 1200 Drive Type: #3 Square Drive Screw Tip: Self-Drilling Coating: Bright Zinc Colour: Bright Zinc Thread Type: Self-Tapping Thread

  • Muro M5 X 62Mm (#12 X 2-1/2") Self Tapping Thread Screw, #2 Square Drive, Self Drilling Screw Tip, Epoxy Shield Guard Coating, Gray Coil - 1200 Pcs

    Muro
    $309.00 - $309.00
    $309.00
    $309.00 - $309.00
    $309.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Epoxy Shield Guard Coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M5 x 62mm (#12 x 2-1/2") Box Quantity: 1200 Drive Type: #2 Square Drive Screw Tip: Self-Drilling Coating: Epoxy Shield Guard Coil Color: Gray Thread Type: Self-Tapping Thread

  • Kanebridge #8 x 1" Unslotted Indented Hex Washer Head Type AB Self Tapping Zinc Screws - 200 Qty

    Kanebridge
    $6.06 - $6.06
    $6.06
    $8.40
    $8.40 - $8.40
    $8.40
    10+ in stock

    Features High strength fasteners for metal, wood, fiberglass, and plastic Reusable and removable for easy maintenance and repair Self tapping action is an extra layer of protection to ensure that the materials remain fastened together Made from zinc plated steel for durability Specifications Weight: 0.0053 Head Type: Hex Head Category: Sheet Metal Screws Drive: Unslotted Finish: Zinc Head Style: Hex Indented Washer Length: 1" Material: Steel Screw Size: #8 Thread Type: Type AB

  • PFSDZ.jpg

    Daggerz 7" x 7/16" Phillips Pan Framing Self Drill Screws - 10000 Qty

    International Fasteners
    $116.53 - $116.53
    $116.53
    $116.53 - $116.53
    $116.53
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Pan Head design offers a low profile head Serrations under the head prevent over driving Clear zinc offers a shiny appearance and minimal corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 7/16 Inches Fastener Type: Self Drilling Screws Point Type: #2 Self Drilling Head Type: Pan Material: Carbon Steel Finish: Zinc Downloads Spec Sheet

  • SDZ.jpg

    Daggerz 12" x 2" Hex Washer Head Self Drill Screws - 2000 Qty

    International Fasteners
    $176.80 - $176.80
    $176.80
    $176.80 - $176.80
    $176.80
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Hex Washer Head provides increased driving stability and helps seal the connection Fine Threads provide superior holding power Clear Zinc offers a shiny appearance and minimal corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 2 Inches Fastener Type: Self Drilling Screws Point Type: #3 Self Drilling Head Type: Hex Washer Material: Carbon Steel Finish: Zinc

  • SD5CT.jpg

    Daggerz 1/4"-20" x 1-1/2" Hex Washer Head Self Drill Screws - 1500 Qty

    International Fasteners
    $473.08 - $473.08
    $473.08
    $473.08 - $473.08
    $473.08
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Hex Washer Head provides increased driving stability and helps seal the connection Fine Threads provide superior holding power 1000 hour Salt Spray Coating for excellent corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1-1/2 Inches Fastener Type: Self Drilling Screws Point Type: #5 Self Drilling Head Type: Hex Washer Material: Carbon Steel Finish: Dagger-Guard Coating™

  • MTSZ.jpg

    Daggerz 8" x 1/2" Phillips Modified Truss Wafer Sharp Screws - 10000 Qty

    International Fasteners
    $140.53 - $140.53
    $140.53
    $140.53 - $140.53
    $140.53
    In Stock

    Features Double-Lead Threads for fast threading Modified Truss design offers a low profile head and an extra large bearing surface Rapid Piercing Point for a faster start Clear zinc offers a shiny appearance and minimal corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1/2 Inches Fastener Type: Drywall Screws Point Type: Sharp Head Type: Modified Truss Material: Carbon Steel Finish: Zinc

  • DZZ.jpg

    Dagger-Zip 8" x 1/2" Unslotted Hex Washer Head Ultra Sharp Point Screws - 8000 Qty

    International Fasteners
    $358.70 - $358.70
    $358.70
    $358.70 - $358.70
    $358.70
    In Stock

    Features Super Fine Threads for better tapping Higher Hex Head for increased driving stability Rapid Piercing Point for a faster start Clear zinc offers a shiny appearance and minimal corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1/2 Inches Fastener Type: Needle Point Screws Point Type: Sharp Head Type: Hex Washer Material: Carbon Steel Finish: Zinc

  • CMSD.jpg

    Daggerz 8" x 1-1/4" Phillips Wafer Head Cement Board Self Drill Screws - 5000 Qty

    International Fasteners
    $231.80 - $231.80
    $231.80
    $231.80 - $231.80
    $231.80
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Wafer Head with Nibs under the head help prevent spin out and allow the screws to self countersink Fine Threads provide superior holding power 1000 hour Salt Spray Coating for excellent corrosion resistance RoHS Compliant Specifications Country of Origin: Taiwan Length: 1-1/4 Inches Fastener Type: Cement Board Screws Point Type: #2 Self Drilling Head Type: Wafer with Nibs Material: Carbon Steel Finish: Dagger-Guard ...

  • Daggerz™ 10" x 5/8" Hex Washer Head Self Drill Screws, #3 Point, Dagger-Guard Coating - 7500 Qty

    International Fasteners
    $286.10 - $286.10
    $286.10
    $286.10 - $286.10
    $286.10
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Hex Washer Head provides increased driving stability and helps seal the connection Fine Threads provide superior holding power 1000 hour Salt Spray Coating for excellent corrosion resistance Specifications Size: 10" x 5/8" Threads Per Inch: 16 Branded Name: Daggerz™ Drive: 5/16" Hex Point: #3 Point Material: Low Carbon Steel Finish: Dagger-Guard Coating™ Carton Quantity: 7500

  • Daggerz™ 14" x 3" Hex Washer Head Self Drill Screws, #3 Point, White Dagger-Guard Coating - 1000 Qty

    International Fasteners
    $331.40 - $331.40
    $331.40
    $331.40 - $331.40
    $331.40
    In Stock

    Features Self Drill Point eliminates the need for pre-drilling into metal Hex Washer Head provides increased driving stability and helps seal the connection Fine Threads provide superior holding power 1000 hour Salt Spray Coating for excellent corrosion resistance Specifications Size: 14" x 3" Threads Per Inch: 14" Branded Name: Daggerz™ Drive: 3/8" Hex Point: #3 Point Material: Low Carbon Steel Finish: White Dagger-Guard Coating™ Carton Quantity: 1000

  • Muro M6 X 65 Mm (#14 X 2-1/2") Self Tapping Thread Screw, #3 Square Drive, Self Drilling Screw Tip, Epoxy Shield Guard Coating, Gray Coil - 1200 Pcs

    Muro
    $349.00 - $349.00
    $349.00
    $349.00 - $349.00
    $349.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Epoxy Shield Guard Coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M6 x 65 mm (#14 x 2-1/2") Box Quantity: 1200 Drive Type: #3 Square Drive Screw Tip: Self-Drilling Coating: Epoxy Shield Guard Coil Color: Gray Thread Type: Self-Tapping Thread

  • Muro M6 X 40 Mm (#14 X 1-1/2") Self Tapping Thread Screw, #3 Square Drive, Self Drilling Screw Tip, Bright Zinc Coating - 1800 Pcs

    Muro
    $284.00 - $284.00
    $284.00
    $284.00 - $284.00
    $284.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Zinc Coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M6 x 40 mm (#14 x 1-1/2") Box Quantity: 1800 Drive Type: #3 Square Drive Screw Tip: Self-Drilling Coating: Bright Zinc Colour: Bright Zinc Thread Type: Self-Tapping Thread

  • Muro M5 X 37 Mm (#12 X 1-7/16") Self Tapping Thread Screw, #2 Square Drive, Self Drilling Screw Tip, Bright Zinc Coating - 1800 Pcs

    Muro
    $251.00 - $251.00
    $251.00
    $251.00 - $251.00
    $251.00
    In Stock

    Features Self-tapping screws for secure driving Self-drilling screw tip for easy penetration into metal Zinc coating for durability and corrosion resistance Ideal for fastening wood to steel or aluminum Compatible with Muro FLVL42 and HDVL71 tools for efficient use Specifications Brand Name: Muro Size: M5 x 37 mm (#12 x 1-7/16") Box Quantity: 1800 Drive Type: #2 Square Drive Screw Tip: Self-Drilling Coating: Bright Zinc Colour: Bright Zinc Thread Type: Self-Tapping Thread

  • Save 60% Save %
    Save 60% Save %

    Kanebridge #8 x 3/4" Slotted Indented Hex Washer Head Type AB Self Tapping Zinc Bake Screws - 200 Qty

    Kanebridge
    $4.84
    $4.84 - $4.84
    $4.84
    $1.94
    $1.94 - $1.94
    $1.94
    10+ in stock

    Features High strength fasteners for metal, wood, fiberglass, and plastic Reusable and removable for easy maintenance and repair Self tapping action is an extra layer of protection to ensure that the materials remain fastened together Made from zinc plated steel for durability Specifications Head Type: Hex Head Category: Sheet Metal Screws Drive: Slotted Finish: Zinc Bake Head Style: Hex Indented Washer Length: 3/4" Material: Steel Screw Size: #8 Thread Type: Type AB

  • Kanebridge #8 x 1-1/2" Slotted Hex Washer Head Zinc Plated Sheet Metal Screws - 2200 Qty

    Kanebridge
    $35.20 - $35.20
    $35.20
    $35.20
    $35.20 - $35.20
    $35.20
    In Stock

    Features High strength fasteners for metal, wood, fiberglass, and plastic Reusable and removable for easy maintenance and repair Made from zinc plated steel for durability Hex Head Self Drilling Screws create their own hole and form their own mating thread in the process Specifications Weight: 0.0073 Category: Hex Head Category: Sheet Metal Screws Drive: Slotted Finish: Zinc Head Style: Hex Indented Washer Length: 1-1/2" Material: Steel Screw Size: #8

Durable Metal Screw Fasteners – Where Strength Meets Versatility


  • All-Material Compatibility

    • Whether you're working with concrete, wood, or metal, our fasteners provide secure grip and strong hold. Use drywall mounting screws for interior jobs or wedge anchors for solid concrete surfaces.


  • Precision-Engineered for Performance

    • These industrial fasteners are crafted with exacting standards, ensuring reliable tension and torque. Ideal for heavy-duty applications like framing, mounting, or machinery installation.


  • Comprehensive Selection

    • From self-drilling screws to bolts, nuts, and washers, our inventory covers every fastening need. Choose construction fasteners suited for your environment and task complexity.


  • Time-Saving Installation

    • Fastener tools like self-drilling screws reduce prep time and eliminate the need for pre-drilled holes, speeding up workflow without compromising strength.


  • Long-Term Durability

    • Designed for high-load demands, our fasteners resist corrosion and wear. Perfect for indoor and outdoor projects that require lasting results.



Frequently Asked Questions about Fasteners

What materials can these fasteners be used on?

They are compatible with concrete, metal, wood, and drywall, offering reliable hold in various applications.


Are these fasteners suitable for heavy-duty projects?

Yes, we offer heavy-duty anchor screws and wedge anchors for industrial and construction-grade strength.


Do you need special tools to use self-drilling screws?

No, self-drilling screws eliminate the need for pilot holes and can be used with standard drills.


Can I use these fasteners for outdoor applications?

Absolutely. Many of our fasteners are corrosion-resistant and suitable for exterior use.


What’s included in a fastener set?

Depending on your choice, sets can include screws, bolts, nuts, washers, and specialized anchors.

Clearance Center

  • Werner Self Trailing Rope Grab with 50% OFF Stainless Steel
    Save 50% Save %
    Save 50% Save %

    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.
    Save 50% Save %
    Save 50% Save %

    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.
    Save 50% Save %
    Save 50% Save %

    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...
  • Save 50% Save %
    Save 50% Save %

    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
    Save 50% Save %
    Save 50% Save %

    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...