Collection: Inserts - Self Tapping - For Aluminium - Stainless 303

Inserts -> Self Tapping -> For Aluminium -> Stainless 303

There 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.

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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 60^o 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

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Assortment Kits

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
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 Wed, Oct 22, 2025 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 2 Available Now. Backorder if more than 2.
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 Wed, Oct 22, 2025 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 2 Available Now. Backorder if more than 2.
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 Sale 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 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 2 Available Now Sale
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 Wed, Oct 22, 2025 Regular price $1,102.59 AUD Regular price ~~$1,323.11 AUD~~ Sale price $1,102.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Wed, Oct 22, 2025 Regular price $1,102.59 AUD Regular price ~~$1,323.11 AUD~~ Sale price $1,102.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Sale 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 Regular price $1,102.59 AUD Regular price ~~$1,323.11 AUD~~ Sale price $1,102.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Wed, Oct 22, 2025 Regular price $9.32 AUD Regular price ~~$11.18 AUD~~ Sale price $9.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 2 Available Now. Backorder if more than 2.
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 Wed, Oct 22, 2025 Regular price $9.32 AUD Regular price ~~$11.18 AUD~~ Sale price $9.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 2 Available Now. Backorder if more than 2.
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 Sale 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 Regular price $9.32 AUD Regular price ~~$11.18 AUD~~ Sale price $9.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 2 Available Now Sale
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 Wed, Oct 22, 2025 Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Wed, Oct 22, 2025 Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Sale 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 Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 ~~$9.32 AUD~~ Sale price $7.76 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 10 Available Now. These are priced to quit. Please contact us for a quote if you require more.
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 ~~$9.32 AUD~~ Sale price $7.76 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 10 Available Now. These are priced to quit. Please contact us for a quote if you require more.
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 Sale 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 Regular price $7.76 AUD Regular price ~~$9.32 AUD~~ Sale price $7.76 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 10 Available Now Sale
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 Wed, Oct 22, 2025 Regular price $1,554.32 AUD Regular price ~~$1,865.18 AUD~~ Sale price $1,554.32 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Wed, Oct 22, 2025 Regular price $1,554.32 AUD Regular price ~~$1,865.18 AUD~~ Sale price $1,554.32 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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 Sale 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 Regular price $1,554.32 AUD Regular price ~~$1,865.18 AUD~~ Sale price $1,554.32 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

Miniature Bearings Australia

Collection: Inserts - Self Tapping - For Aluminium - Stainless 303

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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

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

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

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

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

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

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

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

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

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

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

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

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Miniature Bearings Australia

Collection: Inserts - Self Tapping - For Aluminium - Stainless 303

Category Details

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