Knobs - Lobe - Three Lobe - Male - Soft Touch

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  • Also see star knobs
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 - Lobe - Three Lobe - Male - Soft Touch.
Thread Size Head Diameter (A) Thread Length Colour Hub Diameter (C) Hub Length (D) Indicative
Image
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
29.97
mm

(1.18 in.)
Thread Length
25.4
mm

(1 in.)
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   
Part Number: KM064C-030-3LL-SFT Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x25.4 mm Three Lobe - Zinc Plated Steel
30 Available Now | Further orders can be expected around Fri, Jul 18, 2025
$6.59 AUD
$6.59 AUD
Each
Thread Size Head Diameter (A) Thread Length Colour Indicative
Image
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
29.97
mm

(1.18 in.)
Thread Length
25.4
mm

(1 in.)
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   
Part Number: KM064C-030-3LL-SFT Lobe Knobs - 1/4-20 UNC - 6.35mm - 29.97x25.4 mm Three Lobe - Zinc Plated Steel
30 Available Now | Further orders can be expected around Fri, Jul 18, 2025
$6.59 AUD
$6.59 AUD
Each
View the product page first if you are unsure.