Inserts - Self Tapping - For Plastics - Steel

Inserts -> Self Tapping -> For Plastics -> Steel

There are 4 products in the sub-categories of Inserts - Self Tapping - For Plastics - Steel. Browse the Inserts - Self Tapping - For Plastics - Steel products table.

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

Category Details

A selection of Steel For Plastics Self Tapping Inserts. Threaded inserts are screwed into preformed or predrilled holes and cut 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.
  • Use with plastics, light metal alloys or hard wood. 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 Plastics - Steel category on the Small Parts & Bearings online store.
Internal Thread Rec. Hole Diameter Length (L) Outside Diameter (B) Indicative
Image
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.09
mm

(Equiv. 0.279 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.001
mm
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.09x10 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 13.005 mm    Soft Metals Hole Size: 7.29    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-048C-100-P
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.09x10 mm For Plastics - Steel Insert
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.50 AUD
$5.00 AUD $2.50 AUD
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 Rec. Hole Diameter Length (L) Outside Diameter (B) Indicative
Image
Internal Thread
10-24 UNC (4.76mm)

Rec. Hole Diameter
7.09
mm

(Equiv. 0.279 in.)
Length (L)
10.0
mm

(Equiv. 0.394 in.)
Outside Diameter (B)
8.001
mm
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.09x10 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 13.005 mm    Soft Metals Hole Size: 7.29    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-048C-100-P
Self Tapping Inserts - 10-24 UNC - 4.76mm - 7.09x10 mm For Plastics - Steel Insert
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.50 AUD
$5.00 AUD $2.50 AUD
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
1/4-20 UNC (6.35mm)

Rec. Hole Diameter
8.59
mm

(Equiv. 0.338 in.)
Length (L)
14.0
mm

(Equiv. 0.551 in.)
Outside Diameter (B)
10.008
mm
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 8.59x14 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 16.993 mm    Soft Metals Hole Size: 8.89    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-064C-140-P (100 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 8.59x14 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$636.32 AUD
$636.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Rec. Hole Diameter
8.59
mm

(Equiv. 0.338 in.)
Length (L)
14.0
mm

(Equiv. 0.551 in.)
Outside Diameter (B)
10.008
mm
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 8.59x14 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 16.993 mm    Soft Metals Hole Size: 8.89    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-064C-140-P (100 Pcs)
Self Tapping Inserts - 1/4-20 UNC - 6.35mm - 8.59x14 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$636.32 AUD
$636.32 AUD
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
10.59
mm

(Equiv. 0.417 in.)
Length (L)
15.0
mm

(Equiv. 0.591 in.)
Outside Diameter (B)
12.014
mm
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 10.59x15 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 18.009 mm    Soft Metals Hole Size: 10.90    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-079C-150-P
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 10.59x15 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$5.95 AUD
$7.15 AUD $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Rec. Hole Diameter
10.59
mm

(Equiv. 0.417 in.)
Length (L)
15.0
mm

(Equiv. 0.591 in.)
Outside Diameter (B)
12.014
mm
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 10.59x15 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 18.009 mm    Soft Metals Hole Size: 10.90    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-079C-150-P
Self Tapping Inserts - 5/16-18 UNC - 7.94mm - 10.59x15 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$5.95 AUD
$7.15 AUD $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Rec. Hole Diameter
12.60
mm

(Equiv. 0.496 in.)
Length (L)
18.0
mm

(Equiv. 0.709 in.)
Outside Diameter (B)
14.021
mm
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 12.6x18 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 21.996 mm    Soft Metals Hole Size: 12.90    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-095C-180-P (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 12.6x18 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$782.41 AUD
$938.89 AUD $782.41 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Rec. Hole Diameter
12.60
mm

(Equiv. 0.496 in.)
Length (L)
18.0
mm

(Equiv. 0.709 in.)
Outside Diameter (B)
14.021
mm
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 12.6x18 mm For Plastics - Steel Insert
Material: Steel    Required Hole Depth: 21.996 mm    Soft Metals Hole Size: 12.90    Material to be used in: Plastic, Light Metal Alloys and Hardwood   
Part Number: IN-TP-095C-180-P (100 Pcs)
Self Tapping Inserts - 3/8-16 UNC - 9.53mm - 12.6x18 mm For Plastics - Steel Insert
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 22, 2025
$782.41 AUD
$938.89 AUD $782.41 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.