Collection: Nuts - Thumb - Collared - Brass

6 Products in this selection
  • This is the main category in this series
Additional resources:
Thumb Screws and Nuts PDF Quick Guide
Pan Head Screws
Screws
A more concise listing may be found on the Smallparts store at Nuts - Thumb - Collared - Brass. Smallparts promote the most popular MBA products.
Thread Size Overall Length (C) Head Width (B) Head Diameter (A) Shoulder Diameter Shoulder Height Indicative
Image
Thread Size
6-32 UNC (3.5mm)
Overall Length (C)
7.1
mm

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

(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    Collar Height (D): 3.97 mm   
Part Number: NT035C-THC-BR Thumb Nuts - 6-32 UNC - 3.5mm - 7.1x3.18 mm - Brass
15 Available Immediately | Item Discontinued - Only the quantity available may be ordered - 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
Thread Size Overall Length (C) Head Width (B) Head Diameter (A) Indicative
Image
Thread Size
6-32 UNC (3.5mm)
Overall Length (C)
7.1
mm

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

(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    Collar Height (D): 3.97 mm   
Part Number: NT035C-THC-BR Thumb Nuts - 6-32 UNC - 3.5mm - 7.1x3.18 mm - Brass
15 Available Immediately | Item Discontinued - Only the quantity available may be ordered - 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
Thread Size
8-32 UNC (4.17mm)
Overall Length (C)
7.1
mm

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

(0.125 in.)
Head Diameter (A)
11.11
mm
Thumb Nuts - 8-32 UNC -4.17mm- 7.1x3.18 mm - Brass
Material: Brass    Collar Diameter (E): 9.53 mm    Collar Height (D): 3.97 mm   
Part Number: NT042C-THC-BR (25 Pcs) Thumb Nuts - 8-32 UNC - 4.17mm - 7.1x3.18 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $65.86 AUD
Regular price Sale price $65.86 AUD
Per 25
Thread Size
8-32 UNC (4.17mm)
Overall Length (C)
7.1
mm

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

(0.125 in.)
Head Diameter (A)
11.11
mm
Thumb Nuts - 8-32 UNC -4.17mm- 7.1x3.18 mm - Brass
Material: Brass    Collar Diameter (E): 9.53 mm    Collar Height (D): 3.97 mm   
Part Number: NT042C-THC-BR (25 Pcs) Thumb Nuts - 8-32 UNC - 4.17mm - 7.1x3.18 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $65.86 AUD
Regular price Sale price $65.86 AUD
Per 25
View the product page first if you are unsure.
Thread Size
10-24 UNC (4.76mm)
Overall Length (C)
8.7
mm

(0.343 in.)
Head Width (B)
3.97
mm

(0.156 in.)
Head Diameter (A)
12.70
mm
Thumb Nuts - 10-24 UNC -4.76mm- 8.7x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 10.32 mm    Collar Height (D): 4.76 mm   
Part Number: NT048C-THC-BR (10 Pcs) Thumb Nuts - 10-24 UNC - 4.76mm - 8.7x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $35.95 AUD
Regular price Sale price $35.95 AUD
Per 10
Thread Size
10-24 UNC (4.76mm)
Overall Length (C)
8.7
mm

(0.343 in.)
Head Width (B)
3.97
mm

(0.156 in.)
Head Diameter (A)
12.70
mm
Thumb Nuts - 10-24 UNC -4.76mm- 8.7x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 10.32 mm    Collar Height (D): 4.76 mm   
Part Number: NT048C-THC-BR (10 Pcs) Thumb Nuts - 10-24 UNC - 4.76mm - 8.7x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $35.95 AUD
Regular price Sale price $35.95 AUD
Per 10
View the product page first if you are unsure.
Thread Size
10-32 UNF (4.76mm)
Overall Length (C)
8.7
mm

(0.343 in.)
Head Width (B)
3.97
mm

(0.156 in.)
Head Diameter (A)
12.70
mm
Thumb Nuts - 10-32 UNF -4.76mm- 8.7x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 10.32 mm    Collar Height (D): 4.76 mm   
Part Number: NT048F-THC-BR (10 Pcs) Thumb Nuts - 10-32 UNF - 4.76mm - 8.7x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $35.95 AUD
Regular price Sale price $35.95 AUD
Per 10
Thread Size
10-32 UNF (4.76mm)
Overall Length (C)
8.7
mm

(0.343 in.)
Head Width (B)
3.97
mm

(0.156 in.)
Head Diameter (A)
12.70
mm
Thumb Nuts - 10-32 UNF -4.76mm- 8.7x3.97 mm - Brass
Material: Brass    Collar Diameter (E): 10.32 mm    Collar Height (D): 4.76 mm   
Part Number: NT048F-THC-BR (10 Pcs) Thumb Nuts - 10-32 UNF - 4.76mm - 8.7x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 19, 2025
Regular price $35.95 AUD
Regular price Sale price $35.95 AUD
Per 10
View the product page first if you are unsure.
Thread Size
1/4-20 UNC (6.35mm)
Overall Length (C)
9.5
mm

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

(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    Collar Height (D): 5.56 mm   
Part Number: NT064C-THC-BR (100 Pcs) Thumb Nuts - 1/4-20 UNC - 6.35mm - 9.5x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $844.50 AUD
Regular price Sale price $844.50 AUD
Per 100
Thread Size
1/4-20 UNC (6.35mm)
Overall Length (C)
9.5
mm

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

(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    Collar Height (D): 5.56 mm   
Part Number: NT064C-THC-BR (100 Pcs) Thumb Nuts - 1/4-20 UNC - 6.35mm - 9.5x3.97 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $844.50 AUD
Regular price Sale price $844.50 AUD
Per 100
View the product page first if you are unsure.
Thread Size
5/16-18 UNC (7.94mm)
Overall Length (C)
10.3
mm

(0.406 in.)
Head Width (B)
4.76
mm

(0.187 in.)
Head Diameter (A)
15.88
mm
Thumb Nuts - 5/16-18 UNC -7.94mm- 10.3x4.76 mm - Brass
Material: Brass    Collar Diameter (E): 13.49 mm    Collar Height (D): 5.56 mm   
Part Number: NT079C-THC-BR (80 Pcs) Thumb Nuts - 5/16-18 UNC - 7.94mm - 10.3x4.76 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $1,272.95 AUD
Regular price Sale price $1,272.95 AUD
Per 80
Thread Size
5/16-18 UNC (7.94mm)
Overall Length (C)
10.3
mm

(0.406 in.)
Head Width (B)
4.76
mm

(0.187 in.)
Head Diameter (A)
15.88
mm
Thumb Nuts - 5/16-18 UNC -7.94mm- 10.3x4.76 mm - Brass
Material: Brass    Collar Diameter (E): 13.49 mm    Collar Height (D): 5.56 mm   
Part Number: NT079C-THC-BR (80 Pcs) Thumb Nuts - 5/16-18 UNC - 7.94mm - 10.3x4.76 mm - Brass
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $1,272.95 AUD
Regular price Sale price $1,272.95 AUD
Per 80
View the product page first if you are unsure.