Collection: Nuts - Thumb - Collared

Nuts -> Thumb -> Collared

There are 3 products in the sub-categories of Nuts - Thumb - Collared. Browse the Nuts - Thumb - Collared products table. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of thumb nuts.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Nuts - Thumb - Collared category on the MBA Minibearings main store.
Thread Size Overall Length (C) Head Width (B) Head Diameter (A) Shoulder Diameter Shoulder Height Indicative
Image
Thread Size
2-56 UNC (2.18mm)

Overall Length (C)
6.4
mm

(Equiv. 0.252 in.)
Head Width (B)
3.18
mm

(Equiv. 0.125 in.)
Head Diameter (A)
6.35
mm
Thumb Nuts - 2-56 UNC -2.18mm- 6.4x3.18 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Collar Diameter (E): 4.76 mm   
Category: Nuts - Thumb - Collared - Stainless
Part Number: NT022C-THC-S3 (Each)
Thumb Nuts - 2-56 UNC - 2.18mm - 6.4x3.18 mm Collared - Stainless Steel 303 Similar to A2, 304, 18-8 Nut
Out of Stock | Backorder Now | Orders can be expected around Wed, Jan 14, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size Overall Length (C) Head Width (B) Head Diameter (A) Indicative
Image
Thread Size
2-56 UNC (2.18mm)

Overall Length (C)
6.4
mm

(Equiv. 0.252 in.)
Head Width (B)
3.18
mm

(Equiv. 0.125 in.)
Head Diameter (A)
6.35
mm
Thumb Nuts - 2-56 UNC -2.18mm- 6.4x3.18 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Collar Diameter (E): 4.76 mm   
Category: Nuts - Thumb - Collared - Stainless
Part Number: NT022C-THC-S3 (Each)
Thumb Nuts - 2-56 UNC - 2.18mm - 6.4x3.18 mm Collared - Stainless Steel 303 Similar to A2, 304, 18-8 Nut
Out of Stock | Backorder Now | Orders can be expected around Wed, Jan 14, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size
6-32 UNC (3.5mm)

Overall Length (C)
7.1
mm

(Equiv. 0.28 in.)
Head Width (B)
3.18
mm

(Equiv. 0.125 in.)
Head Diameter (A)
9.53
mm
Thumb Nuts - 6-32 UNC -3.5mm- 7.1x3.18 mm - Brass
Material: Brass    Collar Diameter (E): 8.73 mm   
Category: Nuts - Thumb - Collared - Brass
Deleted Item. Available while stocks last.
Part Number: NT035C-THC-BR (Each)
Thumb Nuts - 6-32 UNC - 3.5mm - 7.1x3.18 mm Collared - Brass Nut
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.79 AUD
Regular price $4.55 AUD Sale price $3.79 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size
6-32 UNC (3.5mm)

Overall Length (C)
7.1
mm

(Equiv. 0.28 in.)
Head Width (B)
3.18
mm

(Equiv. 0.125 in.)
Head Diameter (A)
9.53
mm
Thumb Nuts - 6-32 UNC -3.5mm- 7.1x3.18 mm - Brass
Material: Brass    Collar Diameter (E): 8.73 mm   
Category: Nuts - Thumb - Collared - Brass
Deleted Item. Available while stocks last.
Part Number: NT035C-THC-BR (Each)
Thumb Nuts - 6-32 UNC - 3.5mm - 7.1x3.18 mm Collared - Brass Nut
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.79 AUD
Regular price $4.55 AUD Sale price $3.79 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size
1/4-20 UNC (6.35mm)

Overall Length (C)
9.5
mm

(Equiv. 0.374 in.)
Head Width (B)
3.97
mm

(Equiv. 0.156 in.)
Head Diameter (A)
14.29
mm
Thumb Nuts - 1/4-20 UNC -6.35mm- 9.5x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 11.91 mm   
Category: Nuts - Thumb - Collared - Brass
Part Number: NT064C-THC-BR (PK-111)
Thumb Nuts - 1/4-20 UNC - 6.35mm - 9.5x3.97 mm Collared - Brass Nut
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $635.86 AUD
Regular price Sale price $635.86 AUD
Priced, Stocked and Sold Per 111 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (C)
9.5
mm

(Equiv. 0.374 in.)
Head Width (B)
3.97
mm

(Equiv. 0.156 in.)
Head Diameter (A)
14.29
mm
Thumb Nuts - 1/4-20 UNC -6.35mm- 9.5x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 11.91 mm   
Category: Nuts - Thumb - Collared - Brass
Part Number: NT064C-THC-BR (PK-111)
Thumb Nuts - 1/4-20 UNC - 6.35mm - 9.5x3.97 mm Collared - Brass Nut
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $635.86 AUD
Regular price Sale price $635.86 AUD
Priced, Stocked and Sold Per 111 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.