BulkNet’s Australian made TruHelix Sectional Flights are the best in the world, due to our revolutionary production methods – the perfect fit every time!

Our commitment is to deliver Section flights which leave no gap on the Center tube, matching Flight Ends, and provide the lowest cost installation/fabrication time in the market – Saving you time and money!

We specialise in delivering Sectional Flights and Fully Fabricated Engineered Solutions to the Mining, Quarry, Agriculture and Civil Construction markets.

BulkNet - Flight Screw Brochure 2013 - Page 3

Flight Types

Flight Accessories and Variations

Our Work


Do you deliver to my country?

We do sell internationally!

Please contact us to make an inquiry.

What specifications do I need to make an order?

The following list of specifications are required to process any order for each variation.

ODmm or inch300 mm
Pitchmm or inch275 mm
IDmm or inch60.3 mm
Thicknessmm or inch5 mm
Hand (Rotation Direction)Left or RightRight
MaterialType of MaterialMild Steel

How do I measure the different screw flight specifications?

The following illustrations will assist in how to measure your screw flight specifications. Please contact us if you require clarification.

Flight Measurements Blanks MeasurementNotched Blanks MeasurementsScrew Flight Hand Direction

What screw flight sizes can you produce?

Bulknet can produce screw flights in the following ranges:

  • 50 mm to 4000 mm diamater
  • 1.6 mm to 50 mm thickness

What screw flight features can I order?

Bulknet can produce the following range of screw flight features:

Holes / Widow
Cut and Folded
Others as Desired

Which types of material can I order screw flights in?

Bulknet can produce flight screws using the following material.

Mild Steel (250)
Mild Steel (350)
High Strength Structural Steel (BIS80)
High Strength Structural Steel SSAB (Domex 700 or Weldox 700)
Wear Resistant Steel (Hardox450 or Equivalent)
Wear Resistant Steel (CR8000)
Wear Resistant Steel (CR4800)
Wear Resistant Steel (Duaplate)
Stainless Steel (304)
Stainless Steel (316)
Stainless Steel (Duplex 2205)
Stainless Steel (3CR12)
Others as desired

What is the data sheet for each material?

Mild Steel (250)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/AS3678-GR250.pdf”]
[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/ASNZS1594-–-HA250.pdf”]

Mild Steel (350)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/AS3678-GR350.pdf”]

High Strength Structural Steel

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/BISPLATE-80.pdf”]

High Strength Structural Steel SSAB

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Strenx-700-High-Strength-Steel.pdf”]

Wear Resistant Steel (AR400 Hardox450)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Hardox-450-Wear-Plate.pdf”]

Wear Resistant Steel (CR8000)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Creusabro-8000.pdf”]

Wear Resistant Steel (CR4800)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Creusabro-4800.pdf”]

Stainless Steel (304)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/AISI-304-304L-Stainless-Steel.pdf”]

Stainless Steel (316)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/AISI-316-316L-Stainless-Steel.pdf”]

Stainless Steel (Duplex 2205)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Duplex-2205.pdf”]

Stainless Steel (3CR12)

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/09/Stainless-Steel-3CR12.pdf”]

Is there a Brochure on Screw Flights and Auger Blades?

[embeddoc url=”http://bulknet.com.au/wp-content/uploads/2015/11/BulkNet-Screw-Flight-Brochure.pdf” download=”all”]

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