Collection: Nuts - Thumb - Basic

Nuts -> Thumb -> Basic

There are 6 products in the sub-categories of Nuts - Thumb - Basic. Browse the Nuts - Thumb - Basic products table.

Category Details

A selection of Basic Thumb Nuts. This is the main category in this series

    Small Parts & Bearings

    Additional resources:


    A more comprehensive listing may be found in the Nuts - Thumb - Basic category on the MBA Minibearings main store.
    Thread Size Overall Length Head Width (B) Head Diameter Shoulder Diameter Shoulder Height Indicative
    Image
    Thread Size
    M4 (4x0.7mm)

    Overall Length
    12.5
    mm

    (Equiv. 0.492 in.)
    Head Width (B)
    6.54
    mm

    (Equiv. 0.257 in.)
    Head Diameter
    16.00
    mm
    Shoulder Diameter
    8.00
    mm
    Shoulder Height
    6.00
    mm
    Thumb Nuts - M4 -4x0.7mm- 12.5x6.54 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT040M-TH1606-S3 (Each)
    Thumb Nuts - M4 - 4x0.7mm - 12.5x6.54 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    3 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.50 AUD
    Regular price $21.00 AUD Sale price $17.50 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    3 Available Now. Backorder if more than 3.
    Thread Size Overall Length Head Width (B) Head Diameter Indicative
    Image
    Thread Size
    M4 (4x0.7mm)

    Overall Length
    12.5
    mm

    (Equiv. 0.492 in.)
    Head Width (B)
    6.54
    mm

    (Equiv. 0.257 in.)
    Head Diameter
    16.00
    mm
    Thumb Nuts - M4 -4x0.7mm- 12.5x6.54 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 8.00 mm    Shoulder Height: 6.00 mm   
    Part Number: NT040M-TH1606-S3 (Each)
    Thumb Nuts - M4 - 4x0.7mm - 12.5x6.54 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    3 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.50 AUD
    Regular price $21.00 AUD Sale price $17.50 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    3 Available Now. Backorder if more than 3.
    Thread Size
    8-32 UNC (4.17mm)

    Overall Length
    9.5
    mm

    (Equiv. 0.374 in.)
    Head Width (B)
    3.18
    mm

    (Equiv. 0.125 in.)
    Head Diameter
    19.05
    mm
    Shoulder Diameter
    7.94
    mm
    Shoulder Height
    6.35
    mm
    Thumb Nuts - 8-32 UNC -4.17mm- 9.5x3.18 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT042C-TH1906-S3 (Each)
    Thumb Nuts - 8-32 UNC - 4.17mm - 9.5x3.18 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $8.50 AUD
    Regular price $10.20 AUD Sale price $8.50 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    9 Available Now. Backorder if more than 9.
    Thread Size
    8-32 UNC (4.17mm)

    Overall Length
    9.5
    mm

    (Equiv. 0.374 in.)
    Head Width (B)
    3.18
    mm

    (Equiv. 0.125 in.)
    Head Diameter
    19.05
    mm
    Thumb Nuts - 8-32 UNC -4.17mm- 9.5x3.18 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 7.94 mm    Shoulder Height: 6.35 mm   
    Part Number: NT042C-TH1906-S3 (Each)
    Thumb Nuts - 8-32 UNC - 4.17mm - 9.5x3.18 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $8.50 AUD
    Regular price $10.20 AUD Sale price $8.50 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    9 Available Now. Backorder if more than 9.
    Thread Size
    10-32 UNF (4.76mm)

    Overall Length
    11.1
    mm

    (Equiv. 0.437 in.)
    Head Width (B)
    4.76
    mm

    (Equiv. 0.187 in.)
    Head Diameter
    12.70
    mm
    Shoulder Diameter
    9.53
    mm
    Shoulder Height
    6.35
    mm
    Thumb Nuts - 10-32 UNF -4.76mm- 11.1x4.76 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT048F-TH1206-S3 (Each)
    Thumb Nuts - 10-32 UNF - 4.76mm - 11.1x4.76 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    5 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $10.59 AUD
    Regular price $12.71 AUD Sale price $10.59 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    5 Available Now. Backorder if more than 5.
    Thread Size
    10-32 UNF (4.76mm)

    Overall Length
    11.1
    mm

    (Equiv. 0.437 in.)
    Head Width (B)
    4.76
    mm

    (Equiv. 0.187 in.)
    Head Diameter
    12.70
    mm
    Thumb Nuts - 10-32 UNF -4.76mm- 11.1x4.76 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 9.53 mm    Shoulder Height: 6.35 mm   
    Part Number: NT048F-TH1206-S3 (Each)
    Thumb Nuts - 10-32 UNF - 4.76mm - 11.1x4.76 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    5 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $10.59 AUD
    Regular price $12.71 AUD Sale price $10.59 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    5 Available Now. Backorder if more than 5.
    Thread Size
    M5 (5x0.8mm)

    Overall Length
    11.5
    mm

    (Equiv. 0.453 in.)
    Head Width (B)
    4.00
    mm

    (Equiv. 0.157 in.)
    Head Diameter
    20.00
    mm
    Shoulder Diameter
    10.00
    mm
    Shoulder Height
    7.50
    mm
    Thumb Nuts - M5 -5x0.8mm- 11.5x4 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT050M-TH2007-S3 (Each)
    Thumb Nuts - M5 - 5x0.8mm - 11.5x4 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    5 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.95 AUD
    Regular price Sale price $17.95 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    5 Available Now. Backorder if more than 5.
    Thread Size
    M5 (5x0.8mm)

    Overall Length
    11.5
    mm

    (Equiv. 0.453 in.)
    Head Width (B)
    4.00
    mm

    (Equiv. 0.157 in.)
    Head Diameter
    20.00
    mm
    Thumb Nuts - M5 -5x0.8mm- 11.5x4 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 10.00 mm    Shoulder Height: 7.50 mm   
    Part Number: NT050M-TH2007-S3 (Each)
    Thumb Nuts - M5 - 5x0.8mm - 11.5x4 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    5 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.95 AUD
    Regular price Sale price $17.95 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    5 Available Now. Backorder if more than 5.
    Thread Size
    M6 (6x1mm)

    Overall Length
    15
    mm

    (Equiv. 0.591 in.)
    Head Width (B)
    5.00
    mm

    (Equiv. 0.197 in.)
    Head Diameter
    24.00
    mm
    Shoulder Diameter
    12.00
    mm
    Shoulder Height
    10.00
    mm
    Thumb Nuts - M6 -6x1mm- 15x5 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT060M-TH2410-S3 (Each)
    Thumb Nuts - M6 - 6x1mm - 15x5 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    3 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.23 AUD
    Regular price $20.67 AUD Sale price $17.23 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    3 Available Now. Backorder if more than 3.
    Thread Size
    M6 (6x1mm)

    Overall Length
    15
    mm

    (Equiv. 0.591 in.)
    Head Width (B)
    5.00
    mm

    (Equiv. 0.197 in.)
    Head Diameter
    24.00
    mm
    Thumb Nuts - M6 -6x1mm- 15x5 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 12.00 mm    Shoulder Height: 10.00 mm   
    Part Number: NT060M-TH2410-S3 (Each)
    Thumb Nuts - M6 - 6x1mm - 15x5 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    3 Available Now | Further orders can be expected around Wed, Jan 14, 2026
    Regular price $17.23 AUD
    Regular price $20.67 AUD Sale price $17.23 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    3 Available Now. Backorder if more than 3.
    Thread Size
    1/4-20 UNC (6.35mm)

    Overall Length
    19.1
    mm

    (Equiv. 0.752 in.)
    Head Width (B)
    6.35
    mm

    (Equiv. 0.25 in.)
    Head Diameter
    25.40
    mm
    Shoulder Diameter
    12.70
    mm
    Shoulder Height
    12.70
    mm
    Thumb Nuts - 1/4-20 UNC -6.35mm- 19.1x6.35 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
    Part Number: NT064C-TH2512-S3 (Each)
    Thumb Nuts - 1/4-20 UNC - 6.35mm - 19.1x6.35 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $22.14 AUD
    Regular price Sale price $22.14 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    2 Available Now. Backorder if more than 2.
    Thread Size
    1/4-20 UNC (6.35mm)

    Overall Length
    19.1
    mm

    (Equiv. 0.752 in.)
    Head Width (B)
    6.35
    mm

    (Equiv. 0.25 in.)
    Head Diameter
    25.40
    mm
    Thumb Nuts - 1/4-20 UNC -6.35mm- 19.1x6.35 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
    Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Shoulder Diameter: 12.70 mm    Shoulder Height: 12.70 mm   
    Part Number: NT064C-TH2512-S3 (Each)
    Thumb Nuts - 1/4-20 UNC - 6.35mm - 19.1x6.35 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut
    2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
    Regular price $22.14 AUD
    Regular price Sale price $22.14 AUD
    Each
    Excludes GST and overseas Taxes & Duties
    Quantity Required

    2 Available Now. Backorder if more than 2.