Collection: Knobs - Tri

11 Products in this selection
This category includes various types of tri knobs.
Knobs - Tri
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.
Thread Size Approx Diameter Thread Length Colour Style Indicative
Image
Thread Size
10-32 UNF (4.76mm)
Approx Diameter
28.58
mm
Colour
Black
Tri Knobs - 10-32 UNF -4.76mm- 28.58  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF048F-029-TRI-PF (PK-3) Tri Knobs - 10-32 UNF - 4.76mm - 28.58 - - Through Hole - Brass Knob
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
Colour
Black
Tri Knobs - 10-32 UNF -4.76mm- 28.58  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF048F-029-TRI-PF (PK-3) Tri Knobs - 10-32 UNF - 4.76mm - 28.58 - - Through Hole - Brass Knob
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
28.58
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 28.58  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF064C-029-TRI-BHF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 28.58 - - Blind Hole - Brass Knob
98 Available Now | Item Discontinued - Up to 98 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.14 AUD
Regular price $4.30 AUD Sale price $2.14 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
28.58
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 28.58  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF064C-029-TRI-BHF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 28.58 - - Blind Hole - Brass Knob
98 Available Now | Item Discontinued - Up to 98 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.14 AUD
Regular price $4.30 AUD Sale price $2.14 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
28.58
mm
Thread Length
12.7
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 28.58 mm - 12.7  - Plated Steel
Material: Plated Steel   
Category: Knobs - Tri - Male
Part Number: KM064C-029-TRI-BHM (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 28.58 mm - 12.7 Male - Plated Steel Knob
6 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $2.68 AUD
Regular price $4.66 AUD Sale price $2.68 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
28.58
mm
Thread Length
12.7
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 28.58 mm - 12.7  - Plated Steel
Material: Plated Steel   
Category: Knobs - Tri - Male
Part Number: KM064C-029-TRI-BHM (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 28.58 mm - 12.7 Male - Plated Steel Knob
6 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $2.68 AUD
Regular price $4.66 AUD Sale price $2.68 AUD
Each
View the product page first if you are unsure.
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
38.10
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 38.1  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-038-TRI-PF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 38.1 - - Through Hole - Brass Knob
30 Available Now | Further orders can be expected around Fri, Aug 07, 2026
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
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 38.1  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-038-TRI-PF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 38.1 - - Through Hole - Brass Knob
30 Available Now | Further orders can be expected around Fri, Aug 07, 2026
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
44.45
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.45  - Steel
Material: Steel   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-044-TRI-PFKLK (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.45 - - Through Hole - Steel Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $5.86 AUD
Regular price $7.04 AUD Sale price $5.86 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.45
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.45  - Steel
Material: Steel   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-044-TRI-PFKLK (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.45 - - Through Hole - Steel Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $5.86 AUD
Regular price $7.04 AUD Sale price $5.86 AUD
Each
View the product page first if you are unsure.
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-045-TRI-PF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 - - Through Hole - Brass Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $3.77 AUD
Regular price $4.53 AUD Sale price $3.77 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF064C-045-TRI-PF (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 - - Through Hole - Brass Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $3.77 AUD
Regular price $4.53 AUD Sale price $3.77 AUD
Each
View the product page first if you are unsure.
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm
Thread Length
24.9
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96 mm - 24.9  - Plated Steel
Material: Plated Steel   
Category: Knobs - Tri - Male
Part Number: KM064C-045-TRI-BHM (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 mm - 24.9 Male - Plated Steel Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $4.32 AUD
Regular price $7.53 AUD Sale price $4.32 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Approx Diameter
44.96
mm
Thread Length
24.9
mm
Colour
Black
Tri Knobs - 1/4-20 UNC -6.35mm- 44.96 mm - 24.9  - Plated Steel
Material: Plated Steel   
Category: Knobs - Tri - Male
Part Number: KM064C-045-TRI-BHM (Each) Tri Knobs - 1/4-20 UNC - 6.35mm - 44.96 mm - 24.9 Male - Plated Steel Knob
2 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $4.32 AUD
Regular price $7.53 AUD Sale price $4.32 AUD
Each
View the product page first if you are unsure.
Thread Size
5/16-18 UNC (7.94mm)
Approx Diameter
65.02
mm
Colour
Black
Tri Knobs - 5/16-18 UNC -7.94mm- 65.02  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF079C-065-TRI-PF (Each) Tri Knobs - 5/16-18 UNC - 7.94mm - 65.02 - - Through Hole - Brass Knob
4 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
Thread Size
5/16-18 UNC (7.94mm)
Approx Diameter
65.02
mm
Colour
Black
Tri Knobs - 5/16-18 UNC -7.94mm- 65.02  - Brass
Material: Brass   
Category: Knobs - Tri - Through Hole
Part Number: KF079C-065-TRI-PF (Each) Tri Knobs - 5/16-18 UNC - 7.94mm - 65.02 - - Through Hole - Brass Knob
4 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
View the product page first if you are unsure.
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
44.45
mm
Colour
Black
1086798 | KF095C-044-TRI-PFKLK (Each) --- Tri Knobs - 3/8-16 UNC - 9.53mm - 44.45 - - Through Hole - Steel Knob
Material: Steel   
Category: Knobs - Tri - Through Hole
Part Number: KF095C-044-TRI-PFKLK (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 44.45 - - Through Hole - Steel Knob
30 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $7.14 AUD
Regular price $8.56 AUD Sale price $7.14 AUD
Each
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
44.45
mm
Colour
Black
1086798 | KF095C-044-TRI-PFKLK (Each) --- Tri Knobs - 3/8-16 UNC - 9.53mm - 44.45 - - Through Hole - Steel Knob
Material: Steel   
Category: Knobs - Tri - Through Hole
Part Number: KF095C-044-TRI-PFKLK (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 44.45 - - Through Hole - Steel Knob
30 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $7.14 AUD
Regular price $8.56 AUD Sale price $7.14 AUD
Each
View the product page first if you are unsure.
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
50.80
mm
Colour
Black
Tri Knobs - 3/8-16 UNC -9.53mm- 50.8  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF095C-051-TRI-BHF (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 50.8 - - Blind Hole - Brass Knob
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
50.80
mm
Colour
Black
Tri Knobs - 3/8-16 UNC -9.53mm- 50.8  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF095C-051-TRI-BHF (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 50.8 - - Blind Hole - Brass Knob
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
104.90
mm
Colour
Black
Tri Knobs - 3/8-16 UNC -9.53mm- 104.9  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF095C-105-TRI-BHF (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 104.9 - - Blind Hole - Brass Knob
4 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $20.32 AUD
Regular price Sale price $20.32 AUD
Each
Thread Size
3/8-16 UNC (9.53mm)
Approx Diameter
104.90
mm
Colour
Black
Tri Knobs - 3/8-16 UNC -9.53mm- 104.9  - Brass
Material: Brass   
Category: Knobs - Tri - Blind Hole
Part Number: KF095C-105-TRI-BHF (Each) Tri Knobs - 3/8-16 UNC - 9.53mm - 104.9 - - Blind Hole - Brass Knob
4 Available Now | Further orders can be expected around Wed, Jul 22, 2026
Regular price $20.32 AUD
Regular price Sale price $20.32 AUD
Each
View the product page first if you are unsure.