Collection: Inserts - Self Tapping - For Aluminium - Stainless 303
Inserts -> Self Tapping -> For Aluminium -> Stainless 303There are 6 products in the sub-categories of Inserts - Self Tapping - For Aluminium - Stainless 303. Browse the Inserts - Self Tapping - For Aluminium - Stainless 303 products table.
Category Details
A selection of Stainless 303 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 vary on batches. 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 303 stainless steel.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Inserts - Self Tapping - For Aluminium - Stainless 303 category on the Small Parts & Bearings online store.
Internal Thread | Rec. Hole Diameter | Length (L) | Outside Diameter (B) |
Indicative Image |
---|---|---|---|---|
Internal Thread
6-32 UNC (3.5mm)
|
Rec. Hole Diameter
5.486
mm (Equiv. 0.216 in.) |
Length (L)
5.0
mm (Equiv. 0.197 in.) |
Outside Diameter (B)
5.994
mm |
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Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 7.010 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-035C-05-A-S3
Self Tapping Inserts - 6-32 UNC - 3.5mm - 5.486x5 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 2 Available Now | Further orders can be expected around Thu, Sep 25, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
Internal Thread | Rec. Hole Diameter | Length (L) | Outside Diameter (B) |
Indicative Image |
Internal Thread
6-32 UNC (3.5mm)
|
Rec. Hole Diameter
5.486
mm (Equiv. 0.216 in.) |
Length (L)
5.0
mm (Equiv. 0.197 in.) |
Outside Diameter (B)
5.994
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 7.010 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-035C-05-A-S3
Self Tapping Inserts - 6-32 UNC - 3.5mm - 5.486x5 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 2 Available Now | Further orders can be expected around Thu, Sep 25, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
Internal Thread
8-32 UNC (4.17mm)
|
Rec. Hole Diameter
5.994
mm (Equiv. 0.236 in.) |
Length (L)
6.0
mm (Equiv. 0.236 in.) |
Outside Diameter (B)
6.502
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 8.001 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-042C-06-A-S3 (100 Pcs)
Self Tapping Inserts - 8-32 UNC - 4.17mm - 5.994x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$1,102.59 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Per 100
|
||||
Internal Thread
8-32 UNC (4.17mm)
|
Rec. Hole Diameter
5.994
mm (Equiv. 0.236 in.) |
Length (L)
6.0
mm (Equiv. 0.236 in.) |
Outside Diameter (B)
6.502
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 8.001 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-042C-06-A-S3 (100 Pcs)
Self Tapping Inserts - 8-32 UNC - 4.17mm - 5.994x6 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$1,102.59 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Per 100
|
||||
|
||||
Internal Thread
8-32 UNC (4.17mm)
|
Rec. Hole Diameter
5.994
mm (Equiv. 0.236 in.) |
Length (L)
8.0
mm (Equiv. 0.315 in.) |
Outside Diameter (B)
6.502
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.008 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-042C-08-A-S3
Self Tapping Inserts - 8-32 UNC - 4.17mm - 5.994x8 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 2 Available Now | Further orders can be expected around Thu, Sep 25, 2025 Regular price
$9.32 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
Internal Thread
8-32 UNC (4.17mm)
|
Rec. Hole Diameter
5.994
mm (Equiv. 0.236 in.) |
Length (L)
8.0
mm (Equiv. 0.315 in.) |
Outside Diameter (B)
6.502
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.008 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-042C-08-A-S3
Self Tapping Inserts - 8-32 UNC - 4.17mm - 5.994x8 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 2 Available Now | Further orders can be expected around Thu, Sep 25, 2025 Regular price
$9.32 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
Internal Thread
1/4-20 UNC (6.35mm)
|
Rec. Hole Diameter
9.296
mm (Equiv. 0.366 in.) |
Length (L)
8.0
mm (Equiv. 0.315 in.) |
Outside Diameter (B)
10.008
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.008 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-064C-08-A-S3
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.296x8 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$10.23 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
Internal Thread
1/4-20 UNC (6.35mm)
|
Rec. Hole Diameter
9.296
mm (Equiv. 0.366 in.) |
Length (L)
8.0
mm (Equiv. 0.315 in.) |
Outside Diameter (B)
10.008
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.008 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-064C-08-A-S3
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 9.296x8 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$10.23 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
Internal Thread
5/16-18 UNC (7.94mm)
|
Rec. Hole Diameter
11.100
mm (Equiv. 0.437 in.) |
Length (L)
13.7
mm (Equiv. 0.539 in.) |
Outside Diameter (B)
12.014
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.998 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-079C-13-A-S3
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x13.7 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.76 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
Internal Thread
5/16-18 UNC (7.94mm)
|
Rec. Hole Diameter
11.100
mm (Equiv. 0.437 in.) |
Length (L)
13.7
mm (Equiv. 0.539 in.) |
Outside Diameter (B)
12.014
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 10.998 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-079C-13-A-S3
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x13.7 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert 10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.76 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
Internal Thread
5/16-18 UNC (7.94mm)
|
Rec. Hole Diameter
11.100
mm (Equiv. 0.437 in.) |
Length (L)
14.0
mm (Equiv. 0.551 in.) |
Outside Diameter (B)
12.014
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 16.993 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-079C-14-A-S3 (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x14 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$1,554.32 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Per 100
|
||||
Internal Thread
5/16-18 UNC (7.94mm)
|
Rec. Hole Diameter
11.100
mm (Equiv. 0.437 in.) |
Length (L)
14.0
mm (Equiv. 0.551 in.) |
Outside Diameter (B)
12.014
mm |
![]() |
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Required Hole Depth: 16.993 mm Material to be used in: Aluminium, Aluminium Alloy, Magnesium and Mild Steel | ||||
Part Number: IN-TP-079C-14-A-S3 (100 Pcs)
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 11.1x14 mm For Aluminium - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Insert Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 25, 2025 Regular price
$1,554.32 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Per 100
|
||||
|