Collection: Knobs - Lobe - Six Lobe

Knobs -> Lobe -> Six Lobe

There are 6 products in the sub-categories of Knobs - Lobe - Six Lobe. Browse the Knobs - Lobe - Six Lobe products table. To narrow down the selection, please choose a sub-category from the links below.

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 - Six Lobe category on the MBA Minibearings main store.
Thread Size Head Diameter (A) Thread Length Colour Hub Diameter (C) Hub Length (F) Indicative
Image
Thread Size
M6 (6x1mm)

Head Diameter (A)
30.00
mm

(Equiv. 1.181 in.)
Thread Length
18.0
mm

(Equiv. 0.709 in.)
Colour
Black
Hub Diameter (C)
15.00
mm
Hub Length (F)
11.00
mm
Lobe Knobs - M6 -6x1mm- 30x18 mm - Brass
Material: Brass    Knob Height (B): 22.00 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF060M-030-6L-PBR (Each)
Lobe Knobs - M6 - 6x1mm - 30x18 mm Six Lobe - Brass Knob
6 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $2.68 AUD
Regular price $4.57 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

6 Available Now. Backorder if more than 6.
Thread Size Head Diameter (A) Thread Length Colour Indicative
Image
Thread Size
M6 (6x1mm)

Head Diameter (A)
30.00
mm

(Equiv. 1.181 in.)
Thread Length
18.0
mm

(Equiv. 0.709 in.)
Colour
Black
Lobe Knobs - M6 -6x1mm- 30x18 mm - Brass
Material: Brass    Hub Diameter (C): 15.00 mm    Hub Length (F): 11.00 mm    Knob Height (B): 22.00 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF060M-030-6L-PBR (Each)
Lobe Knobs - M6 - 6x1mm - 30x18 mm Six Lobe - Brass Knob
6 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $2.68 AUD
Regular price $4.57 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

6 Available Now. Backorder if more than 6.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
22.10
mm

(Equiv. 0.87 in.)
Thread Length
9.9
mm

(Equiv. 0.39 in.)
Colour
Black
Hub Diameter (C)
11.94
mm
Hub Length (F)
9.91
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 22.1x9.9 mm - Brass
Material: Brass    Knob Height (B): 19.05 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF064C-022-6L-BR (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 22.1x9.9 mm Six Lobe - Brass Knob
9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $14.05 AUD
Regular price Sale price $14.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
22.10
mm

(Equiv. 0.87 in.)
Thread Length
9.9
mm

(Equiv. 0.39 in.)
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 22.1x9.9 mm - Brass
Material: Brass    Hub Diameter (C): 11.94 mm    Hub Length (F): 9.91 mm    Knob Height (B): 19.05 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF064C-022-6L-BR (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 22.1x9.9 mm Six Lobe - Brass Knob
9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $14.05 AUD
Regular price Sale price $14.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
29.97
mm

(Equiv. 1.18 in.)
Thread Length
9.5
mm

(Equiv. 0.374 in.)
Colour
Black
Hub Diameter (C)
14.99
mm
Hub Length (F)
9.91
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 29.97x9.5 mm - Stainless Steel
Material: Stainless Steel    Knob Height (B): 20.07 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF064C-030-6L-PSS (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x9.5 mm Six Lobe - Stainless Steel Knob
10 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $5.50 AUD
Regular price $9.77 AUD Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
29.97
mm

(Equiv. 1.18 in.)
Thread Length
9.5
mm

(Equiv. 0.374 in.)
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 29.97x9.5 mm - Stainless Steel
Material: Stainless Steel    Hub Diameter (C): 14.99 mm    Hub Length (F): 9.91 mm    Knob Height (B): 20.07 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF064C-030-6L-PSS (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x9.5 mm Six Lobe - Stainless Steel Knob
10 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $5.50 AUD
Regular price $9.77 AUD Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
32.00
mm

(Equiv. 1.26 in.)
Thread Length
31.8
mm

(Equiv. 1.252 in.)
Colour
Black
Hub Diameter (C)
12.95
mm
Hub Length (F)
10.92
mm
Lobe Knobs - 1/4-20 UNC -6.35mm- 32x31.8 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 20.07 mm   
Category: Knobs - Lobe - Six Lobe - Male
Part Number: KM064C-032-6L32-SP (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 32x31.8 mm Six Lobe - Plated Steel Knob
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $15.77 AUD
Regular price $28.75 AUD Sale price $15.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size
1/4-20 UNC (6.35mm)

Head Diameter (A)
32.00
mm

(Equiv. 1.26 in.)
Thread Length
31.8
mm

(Equiv. 1.252 in.)
Colour
Black
Lobe Knobs - 1/4-20 UNC -6.35mm- 32x31.8 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 12.95 mm    Hub Length (F): 10.92 mm    Knob Height (B): 20.07 mm   
Category: Knobs - Lobe - Six Lobe - Male
Part Number: KM064C-032-6L32-SP (Each)
Lobe Knobs - 1/4-20 UNC - 6.35mm - 32x31.8 mm Six Lobe - Plated Steel Knob
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $15.77 AUD
Regular price $28.75 AUD Sale price $15.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size
5/16-18 UNC (7.94mm)

Head Diameter (A)
33.02
mm

(Equiv. 1.3 in.)
Thread Length
25.4
mm

(Equiv. 1 in.)
Colour
Black
Hub Diameter (C)
19.05
mm
Hub Length (F)
9.91
mm
Lobe Knobs - 5/16-18 UNC -7.94mm- 33.02x25.4 mm - Plated Steel
Material: Plated Steel    Knob Height (B): 23.11 mm   
Category: Knobs - Lobe - Six Lobe - Male
Part Number: KM079C-033-6L25-SP (Each)
Lobe Knobs - 5/16-18 UNC - 7.94mm - 33.02x25.4 mm Six Lobe - Plated Steel Knob
10 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $4.77 AUD
Regular price $8.39 AUD Sale price $4.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Thread Size
5/16-18 UNC (7.94mm)

Head Diameter (A)
33.02
mm

(Equiv. 1.3 in.)
Thread Length
25.4
mm

(Equiv. 1 in.)
Colour
Black
Lobe Knobs - 5/16-18 UNC -7.94mm- 33.02x25.4 mm - Plated Steel
Material: Plated Steel    Hub Diameter (C): 19.05 mm    Hub Length (F): 9.91 mm    Knob Height (B): 23.11 mm   
Category: Knobs - Lobe - Six Lobe - Male
Part Number: KM079C-033-6L25-SP (Each)
Lobe Knobs - 5/16-18 UNC - 7.94mm - 33.02x25.4 mm Six Lobe - Plated Steel Knob
10 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $4.77 AUD
Regular price $8.39 AUD Sale price $4.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Thread Size
1/2-13 UNC (12.7mm)

Head Diameter (A)
39.88
mm

(Equiv. 1.57 in.)
Colour
Black
Hub Diameter (C)
23.11
mm
Lobe Knobs - 1/2-13 UNC -12.7mm- 39.88  - Plated Steel
Material: Plated Steel    Knob Height (B): 11.94 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF127C-040-6L-SP (Each)
Lobe Knobs - 1/2-13 UNC - 12.7mm - 39.88 - - Six Lobe - Plated Steel Knob
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $4.68 AUD
Regular price $5.62 AUD Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size
1/2-13 UNC (12.7mm)

Head Diameter (A)
39.88
mm

(Equiv. 1.57 in.)
Colour
Black
Lobe Knobs - 1/2-13 UNC -12.7mm- 39.88  - Plated Steel
Material: Plated Steel    Hub Diameter (C): 23.11 mm    Knob Height (B): 11.94 mm   
Category: Knobs - Lobe - Six Lobe - Female
Part Number: KF127C-040-6L-SP (Each)
Lobe Knobs - 1/2-13 UNC - 12.7mm - 39.88 - - Six Lobe - Plated Steel Knob
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
Regular price $4.68 AUD
Regular price $5.62 AUD Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.