Collection: Knobs - Tri - Through Hole - Standard

4 Products in this selection
  • This is the main category in this series
Small Parts & Bearings

Additional resources:
Knobs PDF Quick Guide by Thread Size

A more comprehensive listing may be found on the MBA Minibearings main store at Knobs - Tri - Through Hole - Standard.
Thread Size Approx Diameter Thread Length Colour Style Indicative
Image
Thread Size
10-32 UNF (4.76mm)
Approx Diameter
28.58
mm

(1.125 in.)
Colour
Black
Tri Knobs - 10-32 UNF -4.76mm- 28.58  - Brass
Material: Brass   
Part Number: KF048F-029-TRI-PF (3 Pcs) Tri Knobs - 10-32 UNF - 4.76mm - 28.58 - Brass
1 pack (3 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $9.00 AUD
Regular price $17.10 AUD Sale price $9.00 AUD
Per 3
Thread Size Approx Diameter Thread Length Colour Indicative
Image
Thread Size
10-32 UNF (4.76mm)
Approx Diameter
28.58
mm

(1.125 in.)
Colour
Black
Tri Knobs - 10-32 UNF -4.76mm- 28.58  - Brass
Material: Brass   
Part Number: KF048F-029-TRI-PF (3 Pcs) Tri Knobs - 10-32 UNF - 4.76mm - 28.58 - Brass
1 pack (3 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $9.00 AUD
Regular price $17.10 AUD Sale price $9.00 AUD
Per 3
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
38.10
mm

(1.5 in.)
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 38.1  - Brass
Material: Brass   
Part Number: KF064C-038-TRI-PF Tri Knobs - 1/4-20 UNC - 6.35mm - 38.1 - Brass
30 Available Now | Further orders can be expected around Fri, Aug 01, 2025
Regular price $10.23 AUD
Regular price Sale price $10.23 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
38.10
mm

(1.5 in.)
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 38.1  - Brass
Material: Brass   
Part Number: KF064C-038-TRI-PF Tri Knobs - 1/4-20 UNC - 6.35mm - 38.1 - Brass
30 Available Now | Further orders can be expected around Fri, Aug 01, 2025
Regular price $10.23 AUD
Regular price Sale price $10.23 AUD
Each
View the product page first if you are unsure.
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm

(1.77 in.)
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96  - Brass
Material: Brass   
Part Number: KF064C-045-TRI-PF Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 - Brass
2 Available Now | Further orders can be expected around Wed, Jul 16, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm

(1.77 in.)
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96  - Brass
Material: Brass   
Part Number: KF064C-045-TRI-PF Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 - Brass
2 Available Now | Further orders can be expected around Wed, Jul 16, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
View the product page first if you are unsure.
Thread Size
5/16-18 UNC (7.94mm)
Approx Diameter
65.02
mm

(2.56 in.)
Colour
Black
Tri Knobs - 5/16-18 UNC -7.94mm- 65.02  - Brass
Material: Brass   
Part Number: KF079C-065-TRI-PF Tri Knobs - 5/16-18 UNC - 7.94mm - 65.02 - Brass
4 Available Now | Further orders can be expected around Wed, Jul 16, 2025
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Each
Thread Size
5/16-18 UNC (7.94mm)
Approx Diameter
65.02
mm

(2.56 in.)
Colour
Black
Tri Knobs - 5/16-18 UNC -7.94mm- 65.02  - Brass
Material: Brass   
Part Number: KF079C-065-TRI-PF Tri Knobs - 5/16-18 UNC - 7.94mm - 65.02 - Brass
4 Available Now | Further orders can be expected around Wed, Jul 16, 2025
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Each
View the product page first if you are unsure.