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Australia’s Place for Self-Drilling Screws

Single-Action Fastening

Fixing sheet metal for roofs, carports, fencing, sheds, garages and more is as common an experience to tradies as it is to novice builders. And both types of builder need to save time and money for either business viability or more spare time.

For fixing sheet metal without the need to predrill, see self-drilling screws—also known under the proprietary name ‘Tek’ screws—for a better and faster way to get the job done.
Available in a variance of head types, material compositions and finishes, these screws have now become common place when thinner metals need fixing to each other.

Self-drillers are identified by a point that is very like that of a drill bit, often including a scalloped unthreaded shaft section that helps to cut the metal quickly and smoothly. For extended performance into thick steel select from the SD500 screw range (aka Series 500), capable of drilling up-to 12mm.

Questions about your application of these fasteners, or would like to know the difference between these and self-tappers? Get in touch with Australia’s leaders in All Things Fixings now.

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  1. SD500® CSK 12-24 Self Drilling Screws CL3

    In stock

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    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 4.5-12mm of Steel
    • Driver Type: Philips P3
    • Installation Speed:  1800 RPM Max Drill Speed 

    PHYSICAL CHARACTERISTICS

    • Head Type: Countersunk Head
    • Point Type: Self-Drilling No 5 Point
    • Material: Carbon Steel
    • Finish: Ruspert Class 3
    • Head Dia: 10.5mm
    • Head Height: 4.8mm 

    CORROSION RESISTANCE
    Ruspert Class 3
    : external use in mild moderate industrial or marine environments. Corrosivity categories C2 and C3 classified accordance with ISO 9223. AS 2331.3.1 salt spray test for 1000hrs, DIN 50018 for 15 cycles (kesternich test).

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  2. SD500® Wafer 12-24 Self Drilling Screws CL3

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 4.5–12mm of Steel
    • Driver Type: Philips P3
    • Installation Speed: 1800 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Wafer Head
    • Point Type: Self-Drilling No 5 Point
    • Material: Carbon Steel
    • Finish: Ruspert Class 3
    • Head Dia: 11.2mm
    • Head Height: 2.0mm

    CORROSION RESISTANCE
    Ruspert Class 3
    : external use in mild moderate industrial or marine environments. Corrosivity categories C2 and C3 classified accordance with ISO 9223. AS 2331.3.1 salt spray test for 1000hrs, DIN 50018 for 15 cycles (kesternich test).

    Learn More
  3. SD500® Hex 12-24 Self Drilling Screws CL3

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 4.5–12mm of steel
    • Driver Type: 5/16 Hex Socket
    • Installation Speed: 1800 RPM

    PHYSICAL CHARACTERISTICS

    • Head Type: Hex Head
    • Point Type: Self-Drilling No 5 Point
    • Material: Carbon Steel
    • Finish: Ruspert Class 3
    • Head Dia: 11mm
    • Head Height: 5.3mm

    CORROSION RESISTANCE
    Ruspert Class 3
    : external use in mild moderate industrial or marine environments. Corrosivity categories C2 and C3 classified accordance with ISO 9223. AS 2331.3.1 salt spray test for 1000hrs, DIN 50018 for 15 cycles (kesternich test).

    Learn More
  4. Wing Self Drilling Screw Square Drv Rib Hd Class 3

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 1-4mm
    • Driver Type: Philips Q2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Ribbed Countersunk Head   
    • Point Type: Winged Self Drilling point
    • Material: Carbon Steel
    • Finish: Class 3 Mechanical Galvanised
    • Head Dia: 9mm
    • Head Height: 5mm
    Learn More
  5. Wing Self Drilling Screw Csk Rib Hd Class 3

    In stock

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    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 8g (0.75-2.5mm of steel), 10g (0.75-3.5mm of steel)
    • Driver Type: Philips P2
    • Installation Speed:  2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Countersunk Ribbed
    • Point Type: Self Drilling #3 Point Winged
    • Material: Carbon Steel
    • Finish: Class 3 Mechanical Galvanised
    • Head Dia: 8g (8mm), 10g (9mm)
    • Head Height: 8g (3.5mm), 10g (4mm) 
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  6. Wing Self Drilling Screw Csk Rib Hd Zinc Yellow

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity:  1.2-3.5mm of Steel
    • Driver Type: Philips P2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Ribbed Countersunk
    • Point Type: Winged Self Drilling Point
    • Material: Carbon Steel
    • Finish: Zinc Yellow
    • Head Dia: 9mm
    • Head Height: 3.3mm 
    Learn More
  7. Self Drilling Screws Countersunk Bimetal 316 Stainless

    In stock

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    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 8g (0.75-3mm of  soft non-ferrous metal), 10g (1-4mm of soft non-ferrous metal)
    • Driver Type: Philips P2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Countersunk
    • Point Type: Self Drilling Point
    • Material: Grade 304 Stainless Steel
    • Finish: N/A
    • Head Dia: 8g (8.5mm), 10g (9.1mm)
    • Head Height: 8g (2.8mm), 10g (3.3mm)
    Learn More
  8. Self Drilling Screws Countersunk 304 Stainless

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 8g (0.75-3mm of  soft non-ferrous metal), 10g (1-4mm of soft non-ferrous metal)
    • Driver Type: Philips P2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Countersunk
    • Point Type: Self Drilling Point
    • Material: Grade 304 Stainless Steel
    • Finish: N/A
    • Head Dia: 8g (8.5mm), 10g (9.1mm)
    • Head Height: 8g (2.8mm), 10g (3.3mm)
    Learn More
  9. Countersunk Self Drilling Screws CL3 Coarse Thread

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: Fine Thread (1.2-5mm of Steel), Coarse Thread (0.75-3.5mm of Steel)
    • Driver Type: Philips P2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Countersunk Head
    • Point Type: Self Drilling point
    • Material: Carbon Steel
    • Finish: Class 3 Mechanical Galvanised
    • Head Dia: 9.3mm
    • Head Height: 4mm
    Learn More
  10. Csk Rib Hd Self Drilling Screw

    In stock

    View Details

    TECHNICAL INFO:

    INSTALLATION

    • Drill Capacity: 0.75-2.5mm of Steel
    • Driver Type: Philips P2
    • Installation Speed: 2300-2500 RPM Max Drill Speed

    PHYSICAL CHARACTERISTICS

    • Head Type: Ribbed Countersunk Head   
    • Point Type: Self Drilling point
    • Material: Carbon Steel
    • Finish: Class 3 Mechanical Galvanised
    • Head Dia: 8mm
    • Head Height: 4mm
    Learn More

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All Types to All Places

Whether you are after trade quantities of wafer head, countersunk phillips head, hex head or SD500 self-drilling screws, Allfasteners are here to provide the right product for you. And whether these screws are required in Class 3, Class 4 or Bi-Metal stainless finishes, we can deliver to anywhere in Australia, thanks to our market-leading tiered pricing system and delivery deals.

Get Self-Drilling Screws to Site Now

Got a project on the horizon? Or is it already here? To save you time and make your job easier, get trade quantities of self-drilling screws fast via our friendly representatives or directly via our online store. You can even call us and ask for Tek screws – we’ll know what you mean.

Want to learn more about these screws? Head over to our blog here. And you can also sign up to our Fastener Feed for free advice.