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Decking Screws


Note: Stainless Fasteners embedded in some high tannin timbers such as Garapa may cause localised tannin stains on the surface of the timber. Bronze finish is a 'vintage' look and may wear off when installed in high traffic areas, cleaned with abrasive methods or damaged during installation.

Type Application Advantage Tips for Use

Hardwood Decking Screw 316, Star Drive, Self Drilling

Stainless Anzor Decking Screws with Self Drilling Tips

Stainless Anzor Bronze Coloured Decking Screws with Self Drilling Tips

  • 12G x 50mm
  • 12G x 65mm (also available in Bronze Finish)
Commonly used for hardwood up to 21mm thick.

Pre-drilling generally not required depending on timber and driver.

Star Drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use T20 Max Torsion tip to drive screw.


Pre-drilling at board ends is required.

Hardwood Decking Screw 316, Star Drive, T17 Tip

Stainless Anzor Decking Screws with T17 Tip

  • 12G x 50mm
  • 12G x 65mm
Commonly used for hardwood up to 21mm thick.

Pre-drilling is required but this means driving in the screws is easier on tools and gives a longer battery life than the self drilling type.

Star Drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use T20 Max Torsion tip to drive screw.

Hardwood Decking Screw 316, Star Drive, Spear Tip, Self Drilling

Stainless Hardwood Decking Screw with Spear Tip

Stainless Bronze Coloured Hardwood Decking Screw with Spear Tip

  • M5 x 55mm
  • M5 x 70mm (also available in Bronze Finish)
Commonly used for hardwood up to 21mm thick.

Pre-drilling generally not required depending on timber and driver (except on board ends).

Star Drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use T20 Max Torsion tip to drive screw.

Pre-drilling at board ends is required.

S2 Step Cylinder Head Decking Screw 316, Star Drive

S2 Step Cylinder Head Decking Screw

  • 12G X 50mm (Available in Black and Stainless)
  • 12G X 60mm (Available in Black and Stainless)
  • 12G X 70mm (Available in Black)
Commonly Used for Hardwood decking

Small trim cylinder head. May not need to countersink, depending on timber.

Star drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use T20 Max Torsion tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.

Screws are 316 SS and are heat treated to create a bronze finish.

Cylinder Head Decking Screw 316, Star Drive

Stainless Cylinder Head Decking Screw

Stainless Bronze Coloured Cylinder Head Decking Screw

  • 9G x 65mm (also available in Bronze Finish)
Commonly used for hardwood up to 21mm thick and also composite decking.

Small trim cylinder head. May not need to countersink, depending on timber.

Star Drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use T20 Max Torsion tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.

Coarse Thread Screws, Star Drive, 316, Csk Ribbed, T17 Tip

Stainless Coarse Thread Screw Star Drive

  • 10G x 2
  • 10G x 2 1/2

(Square drive and other sizes available)

Commonly used for both soft and hardwood decking.

Flush finish.

Star Drive allows for greater torque.

Smaller head diameter.

Star Drive allows for greater torque.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use 10g Quick Cut for counter sinking/drilling pilot hole.

T25 High Torque tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.

Wide Board Decking Screw 316, Csk Ribbed, Skt Drive/Star Drive, Square Thread, T17 Tip

Stainless Wide Board Decking Screw Socket Drive

Stainless Wide Board Decking Screw Torx Drive

Stainless Bronze Coloured Wide Board Decking Screw

  • 12G x 65 (also available in Bronze Finish)
  • 12G x 80
  • 12G x 100
Commonly used for soft and hardwood wide board decking up to 30 mm thick.

Flush finish.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Square threads require less torque to drive in screws.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use Quick Cut for counter sinking/drilling pilot hole.

Use 4mm Max Torsion tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.

Wide Board Decking Screw 316, Csk, Skt Drive, T17 Tip

Stainless Wide Board Decking Screw Socket Drive

  • 12G x 2 1/2
  • 12G x 3
Commonly used for soft and hardwood wide board decking up to 21 mm thick.

Larger head to reduce pull-through on larger softwood boards which may experience more movement.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use Quick Cut for counter sinking/drilling pilot hole.

Use 4mm Max Torsion tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.

Bugle Batten Screw 316, Skt Drive, Ribbed, T17 Tip

Stainless Bugle Batten Decking Screw

  • 14G x 2
  • 14G x 3
  • 14G x 4
  • 14G x 5
  • 14G x 6
  • 14G x 7
  • 14G x 8
Commonly used for both soft and hardwood wide board decking up to 65mm thick.

Flush finish.

Heavy duty screw with an industrial look.

High pull out loads.

Heads look uniform across screws, unlike Square Drive heads which need to be lined up to achieve a uniform look.

Use Quick Cut for counter sinking/drilling pilot hole.

5mm Max Torsion tip to drive screw.

Pre-drilling may be required and recommended for hardwood and board ends.


Stainless steel fasteners embedded in some high tannin timbers such as Garapa may cause localised tannin stains on the surface of the timber


NB: This information is a guide, and the decision of which product to use and how to install it is the customer’s decision, with them taking into account all the specific factors of a situation e.g. timber type, environment, etc. Anzor does not accept any liability for the application of this information.

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Click here dot download a PDF of our Construction Catalogue. This catalogue includes stainless/galvanized fasteners and fittings, and construction brackets.

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