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Type 17 Wood Screws – Class 3 Coating (10G & 12G)
Type 17 Wood Screws Hex Washer Head Class 3
Buy Bulk Type 17 Timber Screws for General Exterior Use
Our Type 17 wood screws with hex washer head are designed for fast, reliable fixing into timber across a wide range of construction applications. Manufactured to meet AS 3566.2 Class 3 corrosion resistance, these screws are suitable for general exterior and interior use in Australian conditions.
Available in both 10G and 12G gauges, and supplied in bulk packaging with automatic volume discounts, this range delivers flexibility and cost-effective performance for builders, contractors and trade users.
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Description
Available Sizes – 10G & 12G Options
Choose the right gauge depending on your timber fixing requirements:
- 10G: Ideal for lighter duty applications, thinner timber sections and general purpose fixing
- 12G: Suitable for structural timber fixing, decking and applications requiring higher load capacity
A wide range of lengths are available across both gauges to suit different timber thicknesses and project requirements.
Key Features
- AS 3566.2 Class 3 corrosion resistance – suitable for standard external environments
- Hex washer head – strong clamping and efficient installation
- Type 17 point – reduced splitting and fast penetration into timber
- Multiple gauges available – 10G and 12G options for flexibility
- Wide length range – suits a variety of timber applications
- Bulk supply – automatic volume discounts applied
Where to Use Class 3 Wood Screws
Class 3 coated screws are suitable for:
- Timber decking (non-coastal)
- Fencing and outdoor structures
- Pergolas and general carpentry
- Timber framing and construction
Environment suitability:
- Inland and metropolitan areas
- General outdoor exposure
- Not recommended for coastal or high-corrosion environments
Choosing the Right Screw Gauge
Selecting the correct screw gauge helps ensure optimal performance and finish:
- 10G screws: Best for lighter applications, thinner timber, and less demanding load requirements
- 12G screws: Preferred for general construction, decking and structural timber fixing
Technical Specifications
| Screw Type | Type 17 Wood Screw |
| Available Gauges | 10G, 12G |
| Head Type | Hex Washer Head |
| Coating | Class 3 (AS 3566.2 – latest edition) |
| Corrosion Category | Moderate / general exterior |
| Drive Type | Hex |
| Head Dia | 11.2mm approx. (10g), 14.3mm approx. (12g) |
| Head Height | 5.2mm approx. (10g), 5.7mm approx. (12g) |
What is Class 3 Coating?
Class 3 corrosion resistance under AS 3566.2 is designed for fasteners used in general external environments. These coatings are typically achieved using mechanically applied zinc-based systems engineered to meet the corrosion performance requirements of the standard.
Product List
| SKU | Description | Availability | List Price | Pack |
|---|---|---|---|---|
| Pack: | ||||
More Information
| Delivery | SHIPS IN 1 - 2 DAYS |
|---|---|
| Coating & Plating | Class 3 (Mech. Gal) |
| Material Grade | Carbon Steel |
| Head Type | Hex Washer |
| Driver Type | Hex Nutsetters |
| Diameter / Gauge | 10g, 12g, 14g |
| Point Type | Type 17 (T17) Miled Point |
| Thread Type | Coarse |
Technical Information
| SKU | Gauge x Length | Coating | Driver Bit | Thread Length | Gauge x Length |
|---|---|---|---|---|---|
| 1195.0100025 | 10-12 x 25mm | Class 3 | 5/16" Hex | Full | 10-12 x 25mm |
| 1195.0100030 | 10-12 x 30mm | Class 3 | 5/16" Hex | Full | 10-12 x 30mm |
| 1195.0120025 | 12-11 x 25mm | Class 3 | 5/16" Hex | Full | 12-11 x 25mm |
| 1195.0120035 | 12-11 x 35mm | Class 3 | 5/16" Hex | Full | 12-11 x 35mm |
| 1195.0120040 | 12-11 x 40mm | Class 3 | 5/16" Hex | Full | 12-11 x 40mm |
| 1195.0120045 | 12-11 x 45mm | Class 3 | 5/16" Hex | Part | 12-11 x 45mm |
| 1195.0120050 | 12-11 x 50mm | Class 3 | 5/16" Hex | Part | 12-11 x 50mm |
| 1195.0120065 | 12-11 X 65mm | Class 3 | 5/16" Hex | Part | 12-11 X 65mm |
| 1195.0120075 | 12-11 x 75mm | Class 3 | 5/16" Hex | Part | 12-11 x 75mm |
Documents
FAQs
Which gauge should I choose – 10G or 12G?
10G is suitable for lighter duty applications and thinner timber, while 12G is preferred for structural and general construction where higher strength is required.
Are these screws suitable for outdoor use?
Yes – Class 3 screws are suitable for most outdoor timber applications in inland or non-corrosive environments.
What is a Type 17 point?
A Type 17 point is a self-drilling timber point designed to reduce splitting and improve installation speed.
Do you offer trade pricing?
Yes – pricing automatically reduces with volume, making bulk purchasing highly cost-effective.
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