Knobs - Lobe - Three Lobe

Knobs -> Lobe -> Three Lobe

There are 11 products in the sub-categories of Knobs - Lobe - Three Lobe. Browse the Knobs - Lobe - Three Lobe products table. To narrow down the selection, please choose a sub-category from the links below.

Lobe Knobs - 10-24 UNC -4.76mm- 24.89x8.9 mm - Brass

Knobs - Lobe - Three Lobe - Female

This category includes various types of lobe knobs.An expanded range may be...

Knobs - Lobe - Three Lobe - Female

Lobe Knobs - 1/4-20 UNC -6.35mm- 29.97x25.4 mm - Zinc Plated Steel

Knobs - Lobe - Three Lobe - Male

This category includes various types of lobe knobs.An expanded range may be...

Knobs - Lobe - Three Lobe - Male

Category Details

This category includes various types of lobe knobs.
  • An expanded range may be available on special order. Please enquire.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Knobs - Lobe - Three Lobe category on the MBA Minibearings main store.
Thread Size Head Diameter (A) Thread Length Colour Hub Diameter (C) Hub Length (D) Indicative
Image
Lobe Knobs - 10-24 UNC - 4.76mm - 24.89x8.9 mm Three Lobe - Brass Knob
Thread Size
10-24 UNC (4.76mm)
Head Diameter (A)
24.89
mm
Thread Length
8.9
mm
Colour
Black
Hub Diameter (C)
12.95
mm
Hub Length (D)
5.08
mm
Lobe Knobs - 10-24 UNC -4.76mm- 24.89x8.9 mm - Brass
Material: Brass    Recess Diameter (E): 16.00 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF048C-025-3L (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.23 AUD
$8.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size Head Diameter (A) Thread Length Colour Indicative
Image
Lobe Knobs - 10-24 UNC - 4.76mm - 24.89x8.9 mm Three Lobe - Brass Knob
Thread Size
10-24 UNC (4.76mm)
Head Diameter (A)
24.89
mm
Thread Length
8.9
mm
Colour
Black
Lobe Knobs - 10-24 UNC -4.76mm- 24.89x8.9 mm - Brass
Material: Brass    Hub Diameter (C): 12.95 mm    Hub Length (D): 5.08 mm    Recess Diameter (E): 16.00 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF048C-025-3L (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.23 AUD
$8.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 10-32 UNF - 4.76mm - 29.97x14 mm Three Lobe - Zinc Plated Brass Knob
Thread Size
10-32 UNF (4.76mm)
Head Diameter (A)
29.97
mm
Thread Length
14.0
mm
Colour
Black
Hub Diameter (C)
12.70
mm
Hub Length (D)
3.81
mm
Lobe Knobs - 10-32 UNF -4.76mm- 29.97x14 mm - Zinc Plated Brass
Material: Zinc Plated Brass    Knob Height (B): 17.02 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF048F-030-3L-SFT (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$3.59 AUD
$3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 10-32 UNF - 4.76mm - 29.97x14 mm Three Lobe - Zinc Plated Brass Knob
Thread Size
10-32 UNF (4.76mm)
Head Diameter (A)
29.97
mm
Thread Length
14.0
mm
Colour
Black
Lobe Knobs - 10-32 UNF -4.76mm- 29.97x14 mm - Zinc Plated Brass
Material: Zinc Plated Brass    Hub Diameter (C): 12.70 mm    Hub Length (D): 3.81 mm    Knob Height (B): 17.02 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF048F-030-3L-SFT (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$3.59 AUD
$3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 19.05x9.5 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
19.05
mm
Thread Length
9.5
mm
Colour
Black
Hub Diameter (C)
11.11
mm
Hub Length (D)
11.51
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 19.05x9.5 mm - Brass
Material: Brass    Knob Height (B): 7.14 mm    Recess Diameter (E): 7.52 mm   
Category: Knobs - Lobe - Three Lobe - Female
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: KF064C-019-3L-BHST (Each)
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 19.05x9.5 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
19.05
mm
Thread Length
9.5
mm
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 19.05x9.5 mm - Brass
Material: Brass    Hub Diameter (C): 11.11 mm    Hub Length (D): 11.51 mm    Knob Height (B): 7.14 mm    Recess Diameter (E): 7.52 mm   
Category: Knobs - Lobe - Three Lobe - Female
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: KF064C-019-3L-BHST (Each)
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 24.89x10.9 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
24.89
mm
Thread Length
10.9
mm
Colour
Black
Hub Diameter (C)
12.95
mm
Hub Length (D)
5.08
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 24.89x10.9 mm - Brass
Material: Brass    Recess Diameter (E): 16.00 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF064C-025-3L-P (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$36.14 AUD
$36.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 24.89x10.9 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
24.89
mm
Thread Length
10.9
mm
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 24.89x10.9 mm - Brass
Material: Brass    Hub Diameter (C): 12.95 mm    Hub Length (D): 5.08 mm    Recess Diameter (E): 16.00 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF064C-025-3L-P (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$36.14 AUD
$36.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x25.4 mm Three Lobe - Zinc Plated Steel Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
29.97
mm
Thread Length
25.4
mm
Colour
Black
Hub Diameter (C)
12.70
mm
Hub Length (D)
3.81
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 29.97x25.4 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Knob Height (B): 17.02 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM064C-030-3LL-SFT (Each)
28 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$4.59 AUD
$5.51 AUD $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 28 available can be backordered.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x25.4 mm Three Lobe - Zinc Plated Steel Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
29.97
mm
Thread Length
25.4
mm
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 29.97x25.4 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hub Diameter (C): 12.70 mm    Hub Length (D): 3.81 mm    Knob Height (B): 17.02 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM064C-030-3LL-SFT (Each)
28 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$4.59 AUD
$5.51 AUD $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

28 Available Now. Backorder if more than 28.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 31.75x9.5 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
31.75
mm
Thread Length
9.5
mm
Colour
Black
Hub Diameter (C)
19.05
mm
Hub Length (D)
11.11
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 31.75x9.5 mm - Brass
Material: Brass    Knob Height (B): 11.11 mm    Recess Diameter (E): 12.95 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF064C-032-3L-BHST (Each)
6 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$3.23 AUD
$3.87 AUD $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 6 available can be backordered.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 31.75x9.5 mm Three Lobe - Brass Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
31.75
mm
Thread Length
9.5
mm
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 31.75x9.5 mm - Brass
Material: Brass    Hub Diameter (C): 19.05 mm    Hub Length (D): 11.11 mm    Knob Height (B): 11.11 mm    Recess Diameter (E): 12.95 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF064C-032-3L-BHST (Each)
6 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$3.23 AUD
$3.87 AUD $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

6 Available Now. Backorder if more than 6.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 39.88x31.8 mm Three Lobe - Plated Steel Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
39.88
mm
Thread Length
31.8
mm
Colour
Black
Hub Diameter (C)
16.00
mm
Hub Length (D)
7.87
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 39.88x31.8 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM064C-040-3L (Each)
8 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$5.23 AUD
$6.27 AUD $5.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Lobe Knobs - 1/4-20 UNC - 6.35mm - 39.88x31.8 mm Three Lobe - Plated Steel Knob
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
39.88
mm
Thread Length
31.8
mm
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 39.88x31.8 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 16.00 mm    Hub Length (D): 7.87 mm    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM064C-040-3L (Each)
8 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$5.23 AUD
$6.27 AUD $5.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

8 Available Now. Backorder if more than 8.
Lobe Knobs - 5/16-18 UNC - 7.94mm - 39.88x38.1 mm Three Lobe - Plated Steel Knob
Thread Size
5/16-18 UNC (7.94mm)
Head Diameter (A)
39.88
mm
Thread Length
38.1
mm
Colour
Black
Hub Diameter (C)
16.00
mm
Hub Length (D)
7.87
mm
Lobe Knobs - 5/16-18 UNC -7.94mm- 39.88x38.1 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM079C-040-3LL (Each)
4 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$7.41 AUD
$7.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Lobe Knobs - 5/16-18 UNC - 7.94mm - 39.88x38.1 mm Three Lobe - Plated Steel Knob
Thread Size
5/16-18 UNC (7.94mm)
Head Diameter (A)
39.88
mm
Thread Length
38.1
mm
Colour
Black
Lobe Knobs - 5/16-18 UNC -7.94mm- 39.88x38.1 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 16.00 mm    Hub Length (D): 7.87 mm    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM079C-040-3LL (Each)
4 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$7.41 AUD
$7.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Lobe Knobs - 5/16-18 UNC - 7.94mm - 50.04x44.5 mm Three Lobe - Plated Steel Knob
Thread Size
5/16-18 UNC (7.94mm)
Head Diameter (A)
50.04
mm
Thread Length
44.5
mm
Colour
Black
Hub Diameter (C)
21.08
mm
Hub Length (D)
8.89
mm
Lobe Knobs - 5/16-18 UNC -7.94mm- 50.04x44.5 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 30.99 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM079C-050-3LL (Each)
5 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$6.50 AUD
$7.80 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Lobe Knobs - 5/16-18 UNC - 7.94mm - 50.04x44.5 mm Three Lobe - Plated Steel Knob
Thread Size
5/16-18 UNC (7.94mm)
Head Diameter (A)
50.04
mm
Thread Length
44.5
mm
Colour
Black
Lobe Knobs - 5/16-18 UNC -7.94mm- 50.04x44.5 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 21.08 mm    Hub Length (D): 8.89 mm    Knob Height (B): 30.99 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM079C-050-3LL (Each)
5 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$6.50 AUD
$7.80 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. Backorder if more than 5.
Lobe Knobs - 3/8-16 UNC - 9.53mm - 39.88x38.1 mm Three Lobe - Plated Steel Knob
Thread Size
3/8-16 UNC (9.53mm)
Head Diameter (A)
39.88
mm
Thread Length
38.1
mm
Colour
Black
Hub Diameter (C)
16.00
mm
Hub Length (D)
7.87
mm
Lobe Knobs - 3/8-16 UNC -9.53mm- 39.88x38.1 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM095C-040-3LL (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.77 AUD
$8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - 3/8-16 UNC - 9.53mm - 39.88x38.1 mm Three Lobe - Plated Steel Knob
Thread Size
3/8-16 UNC (9.53mm)
Head Diameter (A)
39.88
mm
Thread Length
38.1
mm
Colour
Black
Lobe Knobs - 3/8-16 UNC -9.53mm- 39.88x38.1 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 16.00 mm    Hub Length (D): 7.87 mm    Knob Height (B): 24.89 mm   
Category: Knobs - Lobe - Three Lobe - Male
Part Number: KM095C-040-3LL (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.77 AUD
$8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - M10 - 10x1.5mm - 80x17 mm Three Lobe - Brass Knob
Thread Size
M10 (10x1.5mm)

+ 0.10 / - 0.00
Head Diameter (A)
80.0
mm
+ 0.00 / - 0.10
(Equiv. 3.15 in.)
Thread Length
17.0
mm
+ 0.00 / - 0.12
(Equiv. 0.669 in.)
Colour
Black
Hub Diameter (C)
30.00
mm
Hub Length (D)
17.00
mm
Lobe Knobs - M10 -10x1.5mm- 80x17 mm - Brass
Material: Brass    Knob Height (B): 38.0 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF100M-080-3LA (PK-4)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$56.05 AUD
$56.05 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lobe Knobs - M10 - 10x1.5mm - 80x17 mm Three Lobe - Brass Knob
Thread Size
M10 (10x1.5mm)

+ 0.10 / - 0.00
Head Diameter (A)
80.0
mm
+ 0.00 / - 0.10
(Equiv. 3.15 in.)
Thread Length
17.0
mm
+ 0.00 / - 0.12
(Equiv. 0.669 in.)
Colour
Black
Lobe Knobs - M10 -10x1.5mm- 80x17 mm - Brass
Material: Brass    Hub Diameter (C): 30.00 mm    Hub Length (D): 17.00 mm    Knob Height (B): 38.0 mm   
Category: Knobs - Lobe - Three Lobe - Female
Part Number: KF100M-080-3LA (PK-4)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$56.05 AUD
$56.05 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.