Inserts - Self Tapping - For Aluminium - Steel

Inserts -> Self Tapping -> For Aluminium -> Steel

There are 11 products in the sub-categories of Inserts - Self Tapping - For Aluminium - Steel. Browse the Inserts - Self Tapping - For Aluminium - Steel products table.

Category Details

A selection of Steel For Aluminium Self Tapping Inserts. Threaded inserts are screwed into preformed or predrilled holes and cut their own threads into the wall of permanent installations.

  • Provides a strong wear and vibration resistant thread.
  • Low volumes can be installed by winding in with a bolt through the threaded centre. Large volumes can be installed with hand installation tools (Sold Seperately)
  • Hole sizes are reference only. Can variey on batchs. Optimum hole size is to be determinded through experimentation.
  • A 60o countersink is required for flush mounting.
  • Can be used in Aluminium, aluminium alloy or magnesium. Made from steel with zinc chromate finish.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Inserts - Self Tapping - For Aluminium - Steel category on the Small Parts & Bearings online store.
Internal Thread Rec. Hole Diameter Length (L) Outside Diameter (B) Indicative
Image
Internal Thread
M4 (4x0.7mm)

Rec. Hole Diameter
6.0
mm

(Equiv. 0.236 in.)
Length (L)
6.0
mm

(Equiv. 0.236 in.)
Outside Diameter (B)
6.50
mm
Self Tapping Inserts - M4 - 4x0.7mm - 6x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Required Hole Depth: 8.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-040M-06-A-S3 (4 Pcs)
Self Tapping Inserts - M4 - 4x0.7mm - 6x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Per 4
Quantity Required

1 pack (4 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Internal Thread Rec. Hole Diameter Length (L) Outside Diameter (B) Indicative
Image
Internal Thread
M4 (4x0.7mm)

Rec. Hole Diameter
6.0
mm

(Equiv. 0.236 in.)
Length (L)
6.0
mm

(Equiv. 0.236 in.)
Outside Diameter (B)
6.50
mm
Self Tapping Inserts - M4 - 4x0.7mm - 6x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Required Hole Depth: 8.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-040M-06-A-S3 (4 Pcs)
Self Tapping Inserts - M4 - 4x0.7mm - 6x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Per 4
Quantity Required

1 pack (4 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Internal Thread
M4 (4x0.7mm)

Rec. Hole Diameter
6.0
mm

(Equiv. 0.236 in.)
Length (L)
8.0
mm

(Equiv. 0.315 in.)
Outside Diameter (B)
6.50
mm
Self Tapping Inserts - M4 - 4x0.7mm - 6x8 mm For Aluminium - Carbon Steel Insert
Material: Carbon Steel    Required Hole Depth: 10.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-040M-08-A-C
Self Tapping Inserts - M4 - 4x0.7mm - 6x8 mm For Aluminium - Carbon Steel Insert
4 Available Now | Further orders can be expected around Tue, Oct 14, 2025
$43.95 AUD
$52.75 AUD $43.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

4 Available Now. Backorder if more than 4.
Internal Thread
M4 (4x0.7mm)

Rec. Hole Diameter
6.0
mm

(Equiv. 0.236 in.)
Length (L)
8.0
mm

(Equiv. 0.315 in.)
Outside Diameter (B)
6.50
mm
Self Tapping Inserts - M4 - 4x0.7mm - 6x8 mm For Aluminium - Carbon Steel Insert
Material: Carbon Steel    Required Hole Depth: 10.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-040M-08-A-C
Self Tapping Inserts - M4 - 4x0.7mm - 6x8 mm For Aluminium - Carbon Steel Insert
4 Available Now | Further orders can be expected around Tue, Oct 14, 2025
$43.95 AUD
$52.75 AUD $43.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

4 Available Now. Backorder if more than 4.
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
7.0
mm

(Equiv. 0.276 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - 10-24 UNC -4.76mm- 7.4x7 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 9.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-048C-07-A-C (10000 Pcs)
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.4x7 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$18,582.41 AUD
$18,582.41 AUD
Excludes GST and overseas Taxes & Duties
Per 10000
Quantity Required

Backorder: Out of Stock.
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
7.0
mm

(Equiv. 0.276 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - 10-24 UNC -4.76mm- 7.4x7 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 9.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-048C-07-A-C (10000 Pcs)
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.4x7 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$18,582.41 AUD
$18,582.41 AUD
Excludes GST and overseas Taxes & Duties
Per 10000
Quantity Required

Backorder: Out of Stock.
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - 10-24 UNC -4.76mm- 7.4x10 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-048C-10-A-C (100 Pcs)
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$406.59 AUD
$487.91 AUD $406.59 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - 10-24 UNC -4.76mm- 7.4x10 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-048C-10-A-C (100 Pcs)
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$406.59 AUD
$487.91 AUD $406.59 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
M5 (5x0.8mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - M5 - 5x0.8mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-050M-10-A-C
Self Tapping Inserts - M5 - 5x0.8mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 14, 2025
$56.86 AUD
$68.24 AUD $56.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Internal Thread
M5 (5x0.8mm)

Rec. Hole Diameter
7.4
mm

(Equiv. 0.291 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.00
mm
Self Tapping Inserts - M5 - 5x0.8mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-050M-10-A-C
Self Tapping Inserts - M5 - 5x0.8mm - 7.4x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 14, 2025
$56.86 AUD
$68.24 AUD $56.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Internal Thread
1/4-20 UNC (6.35mm)

Rec. Hole Diameter
9.3
mm

(Equiv. 0.366 in.)
Length (L)
8.0
mm

(Equiv. 0.315 in.)
Outside Diameter (B)
10.00
mm
Self Tapping Inserts - 1/4-20 UNC -6.35mm- 9.3x8 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 10.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-064C-08-A-C (100 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.3x8 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$328.50 AUD
$394.20 AUD $328.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
1/4-20 UNC (6.35mm)

Rec. Hole Diameter
9.3
mm

(Equiv. 0.366 in.)
Length (L)
8.0
mm

(Equiv. 0.315 in.)
Outside Diameter (B)
10.00
mm
Self Tapping Inserts - 1/4-20 UNC -6.35mm- 9.3x8 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 10.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-064C-08-A-C (100 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.3x8 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$328.50 AUD
$394.20 AUD $328.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
1/4-20 UNC (6.35mm)

Rec. Hole Diameter
9.3
mm

(Equiv. 0.366 in.)
Length (L)
12.0
mm

(Equiv. 0.472 in.)
Outside Diameter (B)
10.00
mm
Self Tapping Inserts - 1/4-20 UNC -6.35mm- 9.3x12 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 15.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-064C-12-A-C (5 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.3x12 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$10.59 AUD
$12.71 AUD $10.59 AUD
Excludes GST and overseas Taxes & Duties
Per 5
Quantity Required

Backorder: Out of Stock.
Internal Thread
1/4-20 UNC (6.35mm)

Rec. Hole Diameter
9.3
mm

(Equiv. 0.366 in.)
Length (L)
12.0
mm

(Equiv. 0.472 in.)
Outside Diameter (B)
10.00
mm
Self Tapping Inserts - 1/4-20 UNC -6.35mm- 9.3x12 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 15.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-064C-12-A-C (5 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.3x12 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$10.59 AUD
$12.71 AUD $10.59 AUD
Excludes GST and overseas Taxes & Duties
Per 5
Quantity Required

Backorder: Out of Stock.
Internal Thread
5/16-18 UNC (7.94mm)

Rec. Hole Diameter
11.1
mm

(Equiv. 0.437 in.)
Length (L)
13.7
mm

(Equiv. 0.539 in.)
Outside Diameter (B)
12.00
mm
Self Tapping Inserts - 5/16-18 UNC -7.94mm- 11.1x13.7 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 11.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-079C-13-A-C (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x13.7 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$496.32 AUD
$595.58 AUD $496.32 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
5/16-18 UNC (7.94mm)

Rec. Hole Diameter
11.1
mm

(Equiv. 0.437 in.)
Length (L)
13.7
mm

(Equiv. 0.539 in.)
Outside Diameter (B)
12.00
mm
Self Tapping Inserts - 5/16-18 UNC -7.94mm- 11.1x13.7 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 11.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-079C-13-A-C (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x13.7 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$496.32 AUD
$595.58 AUD $496.32 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
5/16-18 UNC (7.94mm)

Rec. Hole Diameter
11.1
mm

(Equiv. 0.437 in.)
Length (L)
14.0
mm

(Equiv. 0.551 in.)
Outside Diameter (B)
12.00
mm
Self Tapping Inserts - 5/16-18 UNC -7.94mm- 11.1x14 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 17.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-079C-14-A-C (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x14 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$643.50 AUD
$772.20 AUD $643.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
5/16-18 UNC (7.94mm)

Rec. Hole Diameter
11.1
mm

(Equiv. 0.437 in.)
Length (L)
14.0
mm

(Equiv. 0.551 in.)
Outside Diameter (B)
12.00
mm
Self Tapping Inserts - 5/16-18 UNC -7.94mm- 11.1x14 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 17.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-079C-14-A-C (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x14 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$643.50 AUD
$772.20 AUD $643.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
3/8-16 UNC (9.53mm)

Rec. Hole Diameter
13.1
mm

(Equiv. 0.516 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
14.00
mm
Self Tapping Inserts - 3/8-16 UNC -9.53mm- 13.1x10 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-095C-10-A-C (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 13.1x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$692.23 AUD
$830.67 AUD $692.23 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
3/8-16 UNC (9.53mm)

Rec. Hole Diameter
13.1
mm

(Equiv. 0.516 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
14.00
mm
Self Tapping Inserts - 3/8-16 UNC -9.53mm- 13.1x10 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 13.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-095C-10-A-C (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 13.1x10 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$692.23 AUD
$830.67 AUD $692.23 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
3/8-16 UNC (9.53mm)

Rec. Hole Diameter
13.1
mm

(Equiv. 0.516 in.)
Length (L)
18.0
mm

(Equiv. 0.709 in.)
Outside Diameter (B)
14.00
mm
Self Tapping Inserts - 3/8-16 UNC -9.53mm- 13.1x18 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 22.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-095C-18-A-C (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 13.1x18 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$749.95 AUD
$749.95 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Internal Thread
3/8-16 UNC (9.53mm)

Rec. Hole Diameter
13.1
mm

(Equiv. 0.516 in.)
Length (L)
18.0
mm

(Equiv. 0.709 in.)
Outside Diameter (B)
14.00
mm
Self Tapping Inserts - 3/8-16 UNC -9.53mm- 13.1x18 mm - Carbon Steel
Material: Carbon Steel    Required Hole Depth: 22.00 mm    Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel   
Part Number: IN-TP-095C-18-A-C (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 13.1x18 mm For Aluminium - Carbon Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 28, 2025
$749.95 AUD
$749.95 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.