Collection: Tube - Square - Brass

Tube -> Square -> Brass

There are 13 products in the sub-categories of Tube - Square - Brass. Browse the Tube - Square - Brass products table.

This product group is not included in our range. Try the full range at Minibearings instead.

Category Details

A selection of Brass Square Tube. Brass square tubing selection.

  • Square tubing are available in many different materials.
  • Used in general hobby applications. Commonly used for creating frames, supports, and decorative elements in miniature models of trains, ships, and other structures.
  • Includes K&S Metals range and more.
  • Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Tube - Square - Brass category on the Small Parts & Bearings online store.
Outside Width (Ow) Inside Width (Iw) Length (L) Indicative
Image
Outside Width (Ow)
1.59
mm
+/- 0.051
(Equiv. 0.063 in.)
Inside Width (Iw)
0.88
mm
+/- 0.076
(Equiv. 0.035 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 1.59x0.88x304.8 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0016-0300-BR (2 Pcs)
Square Tube - 1.59x0.88x304.8 mm - Brass
17 units (34 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.14 AUD
Regular price $9.18 AUD Sale price $5.14 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

17 units (34 pcs) Available Now. Backorder if more than 17.
Outside Width (Ow) Inside Width (Iw) Length (L) Indicative
Image
Outside Width (Ow)
1.59
mm
+/- 0.051
(Equiv. 0.063 in.)
Inside Width (Iw)
0.88
mm
+/- 0.076
(Equiv. 0.035 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 1.59x0.88x304.8 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0016-0300-BR (2 Pcs)
Square Tube - 1.59x0.88x304.8 mm - Brass
17 units (34 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.14 AUD
Regular price $9.18 AUD Sale price $5.14 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

17 units (34 pcs) Available Now. Backorder if more than 17.
Outside Width (Ow)
2.00
mm
+/- 0.051
(Equiv. 0.079 in.)
Inside Width (Iw)
1.10
mm
+/- 0.076
(Equiv. 0.043 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 2x1.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0020-0300-BR (2 Pcs)
Square Tube - 2x1.1x300 mm - Brass
30 units (60 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.77 AUD
Regular price $10.25 AUD Sale price $5.77 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

30 units (60 pcs) Available Now. Backorder if more than 30.
Outside Width (Ow)
2.00
mm
+/- 0.051
(Equiv. 0.079 in.)
Inside Width (Iw)
1.10
mm
+/- 0.076
(Equiv. 0.043 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 2x1.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0020-0300-BR (2 Pcs)
Square Tube - 2x1.1x300 mm - Brass
30 units (60 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.77 AUD
Regular price $10.25 AUD Sale price $5.77 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

30 units (60 pcs) Available Now. Backorder if more than 30.
Outside Width (Ow)
2.38
mm
+/- 0.051
(Equiv. 0.094 in.)
Inside Width (Iw)
1.67
mm
+/- 0.076
(Equiv. 0.066 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 2.38x1.67x304.8 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0024-0300-BR (2 Pcs)
Square Tube - 2.38x1.67x304.8 mm - Brass
18 units (36 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $7.05 AUD
Regular price $12.57 AUD Sale price $7.05 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

18 units (36 pcs) Available Now. Backorder if more than 18.
Outside Width (Ow)
2.38
mm
+/- 0.051
(Equiv. 0.094 in.)
Inside Width (Iw)
1.67
mm
+/- 0.076
(Equiv. 0.066 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 2.38x1.67x304.8 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0024-0300-BR (2 Pcs)
Square Tube - 2.38x1.67x304.8 mm - Brass
18 units (36 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $7.05 AUD
Regular price $12.57 AUD Sale price $7.05 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

18 units (36 pcs) Available Now. Backorder if more than 18.
Outside Width (Ow)
3.00
mm
+/- 0.051
(Equiv. 0.118 in.)
Inside Width (Iw)
2.10
mm
+/- 0.076
(Equiv. 0.083 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 3x2.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0030-0300-BR (2 Pcs)
Square Tube - 3x2.1x300 mm - Brass
14 units (28 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $6.59 AUD
Regular price $11.78 AUD Sale price $6.59 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

14 units (28 pcs) Available Now. Backorder if more than 14.
Outside Width (Ow)
3.00
mm
+/- 0.051
(Equiv. 0.118 in.)
Inside Width (Iw)
2.10
mm
+/- 0.076
(Equiv. 0.083 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 3x2.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0030-0300-BR (2 Pcs)
Square Tube - 3x2.1x300 mm - Brass
14 units (28 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $6.59 AUD
Regular price $11.78 AUD Sale price $6.59 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

14 units (28 pcs) Available Now. Backorder if more than 14.
Outside Width (Ow)
3.18
mm
+/- 0.051
(Equiv. 0.125 in.)
Inside Width (Iw)
2.46
mm
+/- 0.076
(Equiv. 0.097 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 3.18x2.46x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0032-0300-BR
Square Tube - 3.18x2.46x304.8 mm - Brass
15 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

15 Available Now. Backorder if more than 15.
Outside Width (Ow)
3.18
mm
+/- 0.051
(Equiv. 0.125 in.)
Inside Width (Iw)
2.46
mm
+/- 0.076
(Equiv. 0.097 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 3.18x2.46x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0032-0300-BR
Square Tube - 3.18x2.46x304.8 mm - Brass
15 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

15 Available Now. Backorder if more than 15.
Outside Width (Ow)
3.18
mm
+/- 0.0635
(Equiv. 0.125 in.)
Inside Width (Iw)
2.47
mm
+/- 0.0635
(Equiv. 0.097 in.)
Length (L)
914
mm

(Equiv. 35.984 in.)
Square Tube - 3.18x2.47x914 mm - Brass
Material: Brass   
Part Number: 4T-0032-0914-BR
Square Tube - 3.18x2.47x914 mm - Brass
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Outside Width (Ow)
3.18
mm
+/- 0.0635
(Equiv. 0.125 in.)
Inside Width (Iw)
2.47
mm
+/- 0.0635
(Equiv. 0.097 in.)
Length (L)
914
mm

(Equiv. 35.984 in.)
Square Tube - 3.18x2.47x914 mm - Brass
Material: Brass   
Part Number: 4T-0032-0914-BR
Square Tube - 3.18x2.47x914 mm - Brass
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Outside Width (Ow)
3.96
mm
+/- 0.051
(Equiv. 0.156 in.)
Inside Width (Iw)
3.25
mm
+/- 0.076
(Equiv. 0.128 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 3.96x3.25x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0039-0300-BR
Square Tube - 3.96x3.25x304.8 mm - Brass
30 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $4.59 AUD
Regular price $8.11 AUD Sale price $4.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

30 Available Now. Backorder if more than 30.
Outside Width (Ow)
3.96
mm
+/- 0.051
(Equiv. 0.156 in.)
Inside Width (Iw)
3.25
mm
+/- 0.076
(Equiv. 0.128 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 3.96x3.25x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0039-0300-BR
Square Tube - 3.96x3.25x304.8 mm - Brass
30 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $4.59 AUD
Regular price $8.11 AUD Sale price $4.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

30 Available Now. Backorder if more than 30.
Outside Width (Ow)
4.00
mm
+/- 0.051
(Equiv. 0.157 in.)
Inside Width (Iw)
3.10
mm
+/- 0.076
(Equiv. 0.122 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 4x3.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0040-0300-BR (2 Pcs)
Square Tube - 4x3.1x300 mm - Brass
12 units (24 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.23 AUD
Regular price $14.90 AUD Sale price $8.23 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

12 units (24 pcs) Available Now. Backorder if more than 12.
Outside Width (Ow)
4.00
mm
+/- 0.051
(Equiv. 0.157 in.)
Inside Width (Iw)
3.10
mm
+/- 0.076
(Equiv. 0.122 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 4x3.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0040-0300-BR (2 Pcs)
Square Tube - 4x3.1x300 mm - Brass
12 units (24 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.23 AUD
Regular price $14.90 AUD Sale price $8.23 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

12 units (24 pcs) Available Now. Backorder if more than 12.
Outside Width (Ow)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Inside Width (Iw)
4.05
mm
+/- 0.076
(Equiv. 0.159 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 4.76x4.05x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0048-0300-BR
Square Tube - 4.76x4.05x304.8 mm - Brass
12 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.95 AUD
Regular price $10.55 AUD Sale price $5.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

12 Available Now. Backorder if more than 12.
Outside Width (Ow)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Inside Width (Iw)
4.05
mm
+/- 0.076
(Equiv. 0.159 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 4.76x4.05x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0048-0300-BR
Square Tube - 4.76x4.05x304.8 mm - Brass
12 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.95 AUD
Regular price $10.55 AUD Sale price $5.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

12 Available Now. Backorder if more than 12.
Outside Width (Ow)
5.00
mm
+/- 0.051
(Equiv. 0.197 in.)
Inside Width (Iw)
4.10
mm
+/- 0.076
(Equiv. 0.161 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 5x4.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0050-0300-BR (2 Pcs)
Square Tube - 5x4.1x300 mm - Brass
15 units (30 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.41 AUD
Regular price $15.13 AUD Sale price $8.41 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

15 units (30 pcs) Available Now. Backorder if more than 15.
Outside Width (Ow)
5.00
mm
+/- 0.051
(Equiv. 0.197 in.)
Inside Width (Iw)
4.10
mm
+/- 0.076
(Equiv. 0.161 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 5x4.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0050-0300-BR (2 Pcs)
Square Tube - 5x4.1x300 mm - Brass
15 units (30 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $8.41 AUD
Regular price $15.13 AUD Sale price $8.41 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

15 units (30 pcs) Available Now. Backorder if more than 15.
Outside Width (Ow)
5.56
mm
+/- 0.051
(Equiv. 0.219 in.)
Inside Width (Iw)
4.85
mm
+/- 0.076
(Equiv. 0.191 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 5.56x4.85x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0056-0300-BR
Square Tube - 5.56x4.85x304.8 mm - Brass
15 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $6.50 AUD
Regular price $11.66 AUD Sale price $6.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

15 Available Now. Backorder if more than 15.
Outside Width (Ow)
5.56
mm
+/- 0.051
(Equiv. 0.219 in.)
Inside Width (Iw)
4.85
mm
+/- 0.076
(Equiv. 0.191 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 5.56x4.85x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0056-0300-BR
Square Tube - 5.56x4.85x304.8 mm - Brass
15 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $6.50 AUD
Regular price $11.66 AUD Sale price $6.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

15 Available Now. Backorder if more than 15.
Outside Width (Ow)
6.00
mm
+/- 0.051
(Equiv. 0.236 in.)
Inside Width (Iw)
5.10
mm
+/- 0.076
(Equiv. 0.201 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 6x5.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0060-0300-BR (2 Pcs)
Square Tube - 6x5.1x300 mm - Brass
18 units (36 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $9.41 AUD
Regular price $16.99 AUD Sale price $9.41 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

18 units (36 pcs) Available Now. Backorder if more than 18.
Outside Width (Ow)
6.00
mm
+/- 0.051
(Equiv. 0.236 in.)
Inside Width (Iw)
5.10
mm
+/- 0.076
(Equiv. 0.201 in.)
Length (L)
300
mm
+/- 1.0
(Equiv. 11.811 in.)
Square Tube - 6x5.1x300 mm - Brass
Material: Brass    Quantity Per Card: 2   
Part Number: 4T-0060-0300-BR (2 Pcs)
Square Tube - 6x5.1x300 mm - Brass
18 units (36 pcs) Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $9.41 AUD
Regular price $16.99 AUD Sale price $9.41 AUD
Excludes GST and overseas Taxes & Duties
Per 2
Quantity Required

18 units (36 pcs) Available Now. Backorder if more than 18.
Outside Width (Ow)
6.35
mm
+/- 0.051
(Equiv. 0.25 in.)
Inside Width (Iw)
5.64
mm
+/- 0.076
(Equiv. 0.222 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 6.35x5.64x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0064-0300-BR
Square Tube - 6.35x5.64x304.8 mm - Brass
10 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.86 AUD
Regular price $10.40 AUD Sale price $5.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

10 Available Now. Backorder if more than 10.
Outside Width (Ow)
6.35
mm
+/- 0.051
(Equiv. 0.25 in.)
Inside Width (Iw)
5.64
mm
+/- 0.076
(Equiv. 0.222 in.)
Length (L)
304.8
mm
+/- 1.0
(Equiv. 12 in.)
Square Tube - 6.35x5.64x304.8 mm - Brass
Material: Brass   
Part Number: 4T-0064-0300-BR
Square Tube - 6.35x5.64x304.8 mm - Brass
10 Available Now | Further orders can be expected around Tue, Dec 16, 2025
Regular price $5.86 AUD
Regular price $10.40 AUD Sale price $5.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

10 Available Now. Backorder if more than 10.